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| 6 | |
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| 12 | <link rel=File-List href="Small%20Angle%20Image%20Processing_files/filelist.xml"> |
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| 13 | <link rel=Edit-Time-Data |
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| 14 | href="Small%20Angle%20Image%20Processing_files/editdata.mso"> |
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| 18 | o\:* {behavior:url(#default#VML);} |
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| 19 | w\:* {behavior:url(#default#VML);} |
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| 23 | <o:DocumentProperties> |
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| 24 | <o:Author>Von Dreele</o:Author> |
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| 25 | <o:LastAuthor>Von Dreele</o:LastAuthor> |
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| 26 | <o:Revision>11</o:Revision> |
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| 27 | <o:TotalTime>2412</o:TotalTime> |
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| 28 | <o:Created>2014-05-13T20:30:00Z</o:Created> |
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| 29 | <o:LastSaved>2014-11-14T15:40:00Z</o:LastSaved> |
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| 33 | <o:Company>Argonne National Laboratory</o:Company> |
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| 307 | UnhideWhenUsed="false" Name="Light Shading Accent 6"/> |
|---|
| 308 | <w:LsdException Locked="false" Priority="61" SemiHidden="false" |
|---|
| 309 | UnhideWhenUsed="false" Name="Light List Accent 6"/> |
|---|
| 310 | <w:LsdException Locked="false" Priority="62" SemiHidden="false" |
|---|
| 311 | UnhideWhenUsed="false" Name="Light Grid Accent 6"/> |
|---|
| 312 | <w:LsdException Locked="false" Priority="63" SemiHidden="false" |
|---|
| 313 | UnhideWhenUsed="false" Name="Medium Shading 1 Accent 6"/> |
|---|
| 314 | <w:LsdException Locked="false" Priority="64" SemiHidden="false" |
|---|
| 315 | UnhideWhenUsed="false" Name="Medium Shading 2 Accent 6"/> |
|---|
| 316 | <w:LsdException Locked="false" Priority="65" SemiHidden="false" |
|---|
| 317 | UnhideWhenUsed="false" Name="Medium List 1 Accent 6"/> |
|---|
| 318 | <w:LsdException Locked="false" Priority="66" SemiHidden="false" |
|---|
| 319 | UnhideWhenUsed="false" Name="Medium List 2 Accent 6"/> |
|---|
| 320 | <w:LsdException Locked="false" Priority="67" SemiHidden="false" |
|---|
| 321 | UnhideWhenUsed="false" Name="Medium Grid 1 Accent 6"/> |
|---|
| 322 | <w:LsdException Locked="false" Priority="68" SemiHidden="false" |
|---|
| 323 | UnhideWhenUsed="false" Name="Medium Grid 2 Accent 6"/> |
|---|
| 324 | <w:LsdException Locked="false" Priority="69" SemiHidden="false" |
|---|
| 325 | UnhideWhenUsed="false" Name="Medium Grid 3 Accent 6"/> |
|---|
| 326 | <w:LsdException Locked="false" Priority="70" SemiHidden="false" |
|---|
| 327 | UnhideWhenUsed="false" Name="Dark List Accent 6"/> |
|---|
| 328 | <w:LsdException Locked="false" Priority="71" SemiHidden="false" |
|---|
| 329 | UnhideWhenUsed="false" Name="Colorful Shading Accent 6"/> |
|---|
| 330 | <w:LsdException Locked="false" Priority="72" SemiHidden="false" |
|---|
| 331 | UnhideWhenUsed="false" Name="Colorful List Accent 6"/> |
|---|
| 332 | <w:LsdException Locked="false" Priority="73" SemiHidden="false" |
|---|
| 333 | UnhideWhenUsed="false" Name="Colorful Grid Accent 6"/> |
|---|
| 334 | <w:LsdException Locked="false" Priority="19" SemiHidden="false" |
|---|
| 335 | UnhideWhenUsed="false" QFormat="true" Name="Subtle Emphasis"/> |
|---|
| 336 | <w:LsdException Locked="false" Priority="21" SemiHidden="false" |
|---|
| 337 | UnhideWhenUsed="false" QFormat="true" Name="Intense Emphasis"/> |
|---|
| 338 | <w:LsdException Locked="false" Priority="31" SemiHidden="false" |
|---|
| 339 | UnhideWhenUsed="false" QFormat="true" Name="Subtle Reference"/> |
|---|
| 340 | <w:LsdException Locked="false" Priority="32" SemiHidden="false" |
|---|
| 341 | UnhideWhenUsed="false" QFormat="true" Name="Intense Reference"/> |
|---|
| 342 | <w:LsdException Locked="false" Priority="33" SemiHidden="false" |
|---|
| 343 | UnhideWhenUsed="false" QFormat="true" Name="Book Title"/> |
|---|
| 344 | <w:LsdException Locked="false" Priority="37" Name="Bibliography"/> |
|---|
| 345 | <w:LsdException Locked="false" Priority="39" QFormat="true" Name="TOC Heading"/> |
|---|
| 346 | </w:LatentStyles> |
|---|
| 347 | </xml><![endif]--> |
|---|
| 348 | <style> |
|---|
| 349 | <!-- |
|---|
| 350 | /* Font Definitions */ |
|---|
| 351 | @font-face |
|---|
| 352 | {font-family:Calibri; |
|---|
| 353 | panose-1:2 15 5 2 2 2 4 3 2 4; |
|---|
| 354 | mso-font-charset:0; |
|---|
| 355 | mso-generic-font-family:swiss; |
|---|
| 356 | mso-font-pitch:variable; |
|---|
| 357 | mso-font-signature:-536870145 1073786111 1 0 415 0;} |
|---|
| 358 | @font-face |
|---|
| 359 | {font-family:Tahoma; |
|---|
| 360 | panose-1:2 11 6 4 3 5 4 4 2 4; |
|---|
| 361 | mso-font-charset:0; |
|---|
| 362 | mso-generic-font-family:swiss; |
|---|
| 363 | mso-font-pitch:variable; |
|---|
| 364 | mso-font-signature:-520081665 -1073717157 41 0 66047 0;} |
|---|
| 365 | /* Style Definitions */ |
|---|
| 366 | p.MsoNormal, li.MsoNormal, div.MsoNormal |
|---|
| 367 | {mso-style-unhide:no; |
|---|
| 368 | mso-style-qformat:yes; |
|---|
| 369 | mso-style-parent:""; |
|---|
| 370 | margin:0in; |
|---|
| 371 | margin-bottom:.0001pt; |
|---|
| 372 | mso-pagination:widow-orphan; |
|---|
| 373 | font-size:12.0pt; |
|---|
| 374 | font-family:"Times New Roman","serif"; |
|---|
| 375 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 376 | mso-fareast-theme-font:minor-fareast;} |
|---|
| 377 | h1 |
|---|
| 378 | {mso-style-priority:9; |
|---|
| 379 | mso-style-unhide:no; |
|---|
| 380 | mso-style-qformat:yes; |
|---|
| 381 | mso-style-link:"Heading 1 Char"; |
|---|
| 382 | mso-margin-top-alt:auto; |
|---|
| 383 | margin-right:0in; |
|---|
| 384 | mso-margin-bottom-alt:auto; |
|---|
| 385 | margin-left:0in; |
|---|
| 386 | mso-pagination:widow-orphan; |
|---|
| 387 | mso-outline-level:1; |
|---|
| 388 | font-size:24.0pt; |
|---|
| 389 | font-family:"Times New Roman","serif"; |
|---|
| 390 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 391 | mso-fareast-theme-font:minor-fareast; |
|---|
| 392 | font-weight:bold;} |
|---|
| 393 | h2 |
|---|
| 394 | {mso-style-noshow:yes; |
|---|
| 395 | mso-style-priority:9; |
|---|
| 396 | mso-style-qformat:yes; |
|---|
| 397 | mso-style-link:"Heading 2 Char"; |
|---|
| 398 | mso-margin-top-alt:auto; |
|---|
| 399 | margin-right:0in; |
|---|
| 400 | mso-margin-bottom-alt:auto; |
|---|
| 401 | margin-left:0in; |
|---|
| 402 | mso-pagination:widow-orphan; |
|---|
| 403 | mso-outline-level:2; |
|---|
| 404 | font-size:18.0pt; |
|---|
| 405 | font-family:"Times New Roman","serif"; |
|---|
| 406 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 407 | mso-fareast-theme-font:minor-fareast; |
|---|
| 408 | font-weight:bold;} |
|---|
| 409 | h3 |
|---|
| 410 | {mso-style-noshow:yes; |
|---|
| 411 | mso-style-priority:9; |
|---|
| 412 | mso-style-qformat:yes; |
|---|
| 413 | mso-style-link:"Heading 3 Char"; |
|---|
| 414 | mso-margin-top-alt:auto; |
|---|
| 415 | margin-right:0in; |
|---|
| 416 | mso-margin-bottom-alt:auto; |
|---|
| 417 | margin-left:0in; |
|---|
| 418 | mso-pagination:widow-orphan; |
|---|
| 419 | mso-outline-level:3; |
|---|
| 420 | font-size:13.5pt; |
|---|
| 421 | font-family:"Times New Roman","serif"; |
|---|
| 422 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 423 | mso-fareast-theme-font:minor-fareast; |
|---|
| 424 | font-weight:bold;} |
|---|
| 425 | h4 |
|---|
| 426 | {mso-style-noshow:yes; |
|---|
| 427 | mso-style-priority:9; |
|---|
| 428 | mso-style-qformat:yes; |
|---|
| 429 | mso-style-link:"Heading 4 Char"; |
|---|
| 430 | mso-style-next:Normal; |
|---|
| 431 | margin-top:10.0pt; |
|---|
| 432 | margin-right:0in; |
|---|
| 433 | margin-bottom:0in; |
|---|
| 434 | margin-left:0in; |
|---|
| 435 | margin-bottom:.0001pt; |
|---|
| 436 | mso-pagination:widow-orphan lines-together; |
|---|
| 437 | page-break-after:avoid; |
|---|
| 438 | mso-outline-level:4; |
|---|
| 439 | font-size:13.0pt; |
|---|
| 440 | font-family:"Cambria","serif"; |
|---|
| 441 | mso-ascii-font-family:Cambria; |
|---|
| 442 | mso-ascii-theme-font:major-latin; |
|---|
| 443 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 444 | mso-fareast-theme-font:major-fareast; |
|---|
| 445 | mso-hansi-font-family:Cambria; |
|---|
| 446 | mso-hansi-theme-font:major-latin; |
|---|
| 447 | mso-bidi-font-family:"Times New Roman"; |
|---|
| 448 | mso-bidi-theme-font:major-bidi; |
|---|
| 449 | color:#4F81BD; |
|---|
| 450 | mso-themecolor:accent1; |
|---|
| 451 | font-weight:bold; |
|---|
| 452 | font-style:italic;} |
|---|
| 453 | h5 |
|---|
| 454 | {mso-style-noshow:yes; |
|---|
| 455 | mso-style-priority:9; |
|---|
| 456 | mso-style-qformat:yes; |
|---|
| 457 | mso-style-link:"Heading 5 Char"; |
|---|
| 458 | mso-margin-top-alt:auto; |
|---|
| 459 | margin-right:0in; |
|---|
| 460 | mso-margin-bottom-alt:auto; |
|---|
| 461 | margin-left:0in; |
|---|
| 462 | mso-pagination:widow-orphan; |
|---|
| 463 | mso-outline-level:5; |
|---|
| 464 | font-size:12.0pt; |
|---|
| 465 | font-family:"Times New Roman","serif"; |
|---|
| 466 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 467 | mso-fareast-theme-font:minor-fareast; |
|---|
| 468 | color:#4F4FFF; |
|---|
| 469 | font-weight:bold;} |
|---|
| 470 | a:link, span.MsoHyperlink |
|---|
| 471 | {mso-style-noshow:yes; |
|---|
| 472 | mso-style-priority:99; |
|---|
| 473 | color:blue; |
|---|
| 474 | text-decoration:underline; |
|---|
| 475 | text-underline:single;} |
|---|
| 476 | a:visited, span.MsoHyperlinkFollowed |
|---|
| 477 | {mso-style-noshow:yes; |
|---|
| 478 | mso-style-priority:99; |
|---|
| 479 | color:purple; |
|---|
| 480 | text-decoration:underline; |
|---|
| 481 | text-underline:single;} |
|---|
| 482 | p.MsoDocumentMap, li.MsoDocumentMap, div.MsoDocumentMap |
|---|
| 483 | {mso-style-noshow:yes; |
|---|
| 484 | mso-style-priority:99; |
|---|
| 485 | mso-style-link:"Document Map Char"; |
|---|
| 486 | margin:0in; |
|---|
| 487 | margin-bottom:.0001pt; |
|---|
| 488 | mso-pagination:widow-orphan; |
|---|
| 489 | font-size:8.0pt; |
|---|
| 490 | font-family:"Tahoma","sans-serif"; |
|---|
| 491 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 492 | mso-fareast-theme-font:minor-fareast;} |
|---|
| 493 | p |
|---|
| 494 | {mso-style-noshow:yes; |
|---|
| 495 | mso-style-priority:99; |
|---|
| 496 | mso-margin-top-alt:auto; |
|---|
| 497 | margin-right:0in; |
|---|
| 498 | mso-margin-bottom-alt:auto; |
|---|
| 499 | margin-left:0in; |
|---|
| 500 | mso-pagination:widow-orphan; |
|---|
| 501 | font-size:12.0pt; |
|---|
| 502 | font-family:"Times New Roman","serif"; |
|---|
| 503 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 504 | mso-fareast-theme-font:minor-fareast;} |
|---|
| 505 | pre |
|---|
| 506 | {mso-style-noshow:yes; |
|---|
| 507 | mso-style-priority:99; |
|---|
| 508 | mso-style-link:"HTML Preformatted Char"; |
|---|
| 509 | margin:0in; |
|---|
| 510 | margin-bottom:.0001pt; |
|---|
| 511 | mso-pagination:widow-orphan; |
|---|
| 512 | tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt; |
|---|
| 513 | font-size:10.0pt; |
|---|
| 514 | font-family:"Courier New"; |
|---|
| 515 | mso-fareast-font-family:"Times New Roman";} |
|---|
| 516 | p.MsoAcetate, li.MsoAcetate, div.MsoAcetate |
|---|
| 517 | {mso-style-noshow:yes; |
|---|
| 518 | mso-style-priority:99; |
|---|
| 519 | mso-style-link:"Balloon Text Char"; |
|---|
| 520 | margin:0in; |
|---|
| 521 | margin-bottom:.0001pt; |
|---|
| 522 | mso-pagination:widow-orphan; |
|---|
| 523 | font-size:8.0pt; |
|---|
| 524 | font-family:"Tahoma","sans-serif"; |
|---|
| 525 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 526 | mso-fareast-theme-font:minor-fareast;} |
|---|
| 527 | span.MsoPlaceholderText |
|---|
| 528 | {mso-style-noshow:yes; |
|---|
| 529 | mso-style-priority:99; |
|---|
| 530 | mso-style-unhide:no; |
|---|
| 531 | color:gray;} |
|---|
| 532 | p.MsoNoSpacing, li.MsoNoSpacing, div.MsoNoSpacing |
|---|
| 533 | {mso-style-noshow:yes; |
|---|
| 534 | mso-style-priority:1; |
|---|
| 535 | mso-style-unhide:no; |
|---|
| 536 | mso-style-qformat:yes; |
|---|
| 537 | mso-style-parent:""; |
|---|
| 538 | margin:0in; |
|---|
| 539 | margin-bottom:.0001pt; |
|---|
| 540 | mso-pagination:widow-orphan; |
|---|
| 541 | font-size:12.0pt; |
|---|
| 542 | font-family:"Times New Roman","serif"; |
|---|
| 543 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 544 | mso-fareast-theme-font:minor-fareast;} |
|---|
| 545 | p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph |
|---|
| 546 | {mso-style-noshow:yes; |
|---|
| 547 | mso-style-priority:34; |
|---|
| 548 | mso-style-unhide:no; |
|---|
| 549 | mso-style-qformat:yes; |
|---|
| 550 | margin-top:0in; |
|---|
| 551 | margin-right:0in; |
|---|
| 552 | margin-bottom:0in; |
|---|
| 553 | margin-left:.5in; |
|---|
| 554 | margin-bottom:.0001pt; |
|---|
| 555 | mso-add-space:auto; |
|---|
| 556 | mso-pagination:widow-orphan; |
|---|
| 557 | font-size:12.0pt; |
|---|
| 558 | font-family:"Times New Roman","serif"; |
|---|
| 559 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 560 | mso-fareast-theme-font:minor-fareast;} |
|---|
| 561 | p.MsoListParagraphCxSpFirst, li.MsoListParagraphCxSpFirst, div.MsoListParagraphCxSpFirst |
|---|
| 562 | {mso-style-noshow:yes; |
|---|
| 563 | mso-style-priority:34; |
|---|
| 564 | mso-style-unhide:no; |
|---|
| 565 | mso-style-qformat:yes; |
|---|
| 566 | mso-style-type:export-only; |
|---|
| 567 | margin-top:0in; |
|---|
| 568 | margin-right:0in; |
|---|
| 569 | margin-bottom:0in; |
|---|
| 570 | margin-left:.5in; |
|---|
| 571 | margin-bottom:.0001pt; |
|---|
| 572 | mso-add-space:auto; |
|---|
| 573 | mso-pagination:widow-orphan; |
|---|
| 574 | font-size:12.0pt; |
|---|
| 575 | font-family:"Times New Roman","serif"; |
|---|
| 576 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 577 | mso-fareast-theme-font:minor-fareast;} |
|---|
| 578 | p.MsoListParagraphCxSpMiddle, li.MsoListParagraphCxSpMiddle, div.MsoListParagraphCxSpMiddle |
|---|
| 579 | {mso-style-noshow:yes; |
|---|
| 580 | mso-style-priority:34; |
|---|
| 581 | mso-style-unhide:no; |
|---|
| 582 | mso-style-qformat:yes; |
|---|
| 583 | mso-style-type:export-only; |
|---|
| 584 | margin-top:0in; |
|---|
| 585 | margin-right:0in; |
|---|
| 586 | margin-bottom:0in; |
|---|
| 587 | margin-left:.5in; |
|---|
| 588 | margin-bottom:.0001pt; |
|---|
| 589 | mso-add-space:auto; |
|---|
| 590 | mso-pagination:widow-orphan; |
|---|
| 591 | font-size:12.0pt; |
|---|
| 592 | font-family:"Times New Roman","serif"; |
|---|
| 593 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 594 | mso-fareast-theme-font:minor-fareast;} |
|---|
| 595 | p.MsoListParagraphCxSpLast, li.MsoListParagraphCxSpLast, div.MsoListParagraphCxSpLast |
|---|
| 596 | {mso-style-noshow:yes; |
|---|
| 597 | mso-style-priority:34; |
|---|
| 598 | mso-style-unhide:no; |
|---|
| 599 | mso-style-qformat:yes; |
|---|
| 600 | mso-style-type:export-only; |
|---|
| 601 | margin-top:0in; |
|---|
| 602 | margin-right:0in; |
|---|
| 603 | margin-bottom:0in; |
|---|
| 604 | margin-left:.5in; |
|---|
| 605 | margin-bottom:.0001pt; |
|---|
| 606 | mso-add-space:auto; |
|---|
| 607 | mso-pagination:widow-orphan; |
|---|
| 608 | font-size:12.0pt; |
|---|
| 609 | font-family:"Times New Roman","serif"; |
|---|
| 610 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 611 | mso-fareast-theme-font:minor-fareast;} |
|---|
| 612 | span.MsoIntenseReference |
|---|
| 613 | {mso-style-priority:32; |
|---|
| 614 | mso-style-unhide:no; |
|---|
| 615 | mso-style-qformat:yes; |
|---|
| 616 | font-variant:small-caps; |
|---|
| 617 | color:#C0504D; |
|---|
| 618 | mso-themecolor:accent2; |
|---|
| 619 | letter-spacing:.25pt; |
|---|
| 620 | font-weight:bold; |
|---|
| 621 | text-decoration:underline; |
|---|
| 622 | text-underline:single;} |
|---|
| 623 | span.Heading1Char |
|---|
| 624 | {mso-style-name:"Heading 1 Char"; |
|---|
| 625 | mso-style-priority:9; |
|---|
| 626 | mso-style-unhide:no; |
|---|
| 627 | mso-style-locked:yes; |
|---|
| 628 | mso-style-link:"Heading 1"; |
|---|
| 629 | mso-ansi-font-size:24.0pt; |
|---|
| 630 | mso-bidi-font-size:24.0pt; |
|---|
| 631 | font-family:"Times New Roman","serif"; |
|---|
| 632 | mso-ascii-font-family:"Times New Roman"; |
|---|
| 633 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 634 | mso-fareast-theme-font:minor-fareast; |
|---|
| 635 | mso-hansi-font-family:"Times New Roman"; |
|---|
| 636 | mso-bidi-font-family:"Times New Roman"; |
|---|
| 637 | mso-font-kerning:18.0pt; |
|---|
| 638 | font-weight:bold;} |
|---|
| 639 | span.Heading2Char |
|---|
| 640 | {mso-style-name:"Heading 2 Char"; |
|---|
| 641 | mso-style-noshow:yes; |
|---|
| 642 | mso-style-priority:9; |
|---|
| 643 | mso-style-unhide:no; |
|---|
| 644 | mso-style-locked:yes; |
|---|
| 645 | mso-style-link:"Heading 2"; |
|---|
| 646 | mso-ansi-font-size:18.0pt; |
|---|
| 647 | mso-bidi-font-size:18.0pt; |
|---|
| 648 | font-family:"Times New Roman","serif"; |
|---|
| 649 | mso-ascii-font-family:"Times New Roman"; |
|---|
| 650 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 651 | mso-fareast-theme-font:minor-fareast; |
|---|
| 652 | mso-hansi-font-family:"Times New Roman"; |
|---|
| 653 | mso-bidi-font-family:"Times New Roman"; |
|---|
| 654 | font-weight:bold;} |
|---|
| 655 | span.Heading3Char |
|---|
| 656 | {mso-style-name:"Heading 3 Char"; |
|---|
| 657 | mso-style-noshow:yes; |
|---|
| 658 | mso-style-priority:9; |
|---|
| 659 | mso-style-unhide:no; |
|---|
| 660 | mso-style-locked:yes; |
|---|
| 661 | mso-style-link:"Heading 3"; |
|---|
| 662 | mso-ansi-font-size:13.5pt; |
|---|
| 663 | mso-bidi-font-size:13.5pt; |
|---|
| 664 | font-family:"Times New Roman","serif"; |
|---|
| 665 | mso-ascii-font-family:"Times New Roman"; |
|---|
| 666 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 667 | mso-fareast-theme-font:minor-fareast; |
|---|
| 668 | mso-hansi-font-family:"Times New Roman"; |
|---|
| 669 | mso-bidi-font-family:"Times New Roman"; |
|---|
| 670 | font-weight:bold;} |
|---|
| 671 | span.Heading4Char |
|---|
| 672 | {mso-style-name:"Heading 4 Char"; |
|---|
| 673 | mso-style-noshow:yes; |
|---|
| 674 | mso-style-priority:9; |
|---|
| 675 | mso-style-unhide:no; |
|---|
| 676 | mso-style-locked:yes; |
|---|
| 677 | mso-style-link:"Heading 4"; |
|---|
| 678 | mso-ansi-font-size:13.0pt; |
|---|
| 679 | mso-bidi-font-size:13.0pt; |
|---|
| 680 | font-family:"Cambria","serif"; |
|---|
| 681 | mso-ascii-font-family:Cambria; |
|---|
| 682 | mso-ascii-theme-font:major-latin; |
|---|
| 683 | mso-fareast-font-family:"Times New Roman"; |
|---|
| 684 | mso-fareast-theme-font:major-fareast; |
|---|
| 685 | mso-hansi-font-family:Cambria; |
|---|
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| 688 | mso-bidi-theme-font:major-bidi; |
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| 703 | mso-ascii-font-family:"Times New Roman"; |
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| 704 | mso-fareast-font-family:"Times New Roman"; |
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| 705 | mso-fareast-theme-font:minor-fareast; |
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| 706 | mso-hansi-font-family:"Times New Roman"; |
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| 707 | mso-bidi-font-family:"Times New Roman"; |
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| 733 | mso-fareast-font-family:"Times New Roman"; |
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| 734 | mso-fareast-theme-font:minor-fareast; |
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| 735 | mso-hansi-font-family:Tahoma; |
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| 736 | mso-bidi-font-family:Tahoma;} |
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| 738 | {mso-style-name:"Balloon Text Char"; |
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| 749 | mso-fareast-theme-font:minor-fareast; |
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| 757 | mso-gram-e:yes;} |
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| 771 | mso-bidi-font-family:"Times New Roman"; |
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| 774 | {size:8.5in 11.0in; |
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| 775 | margin:1.0in 1.0in 1.0in 1.0in; |
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| 776 | mso-header-margin:.5in; |
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| 778 | mso-paper-source:0;} |
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| 779 | div.WordSection1 |
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| 780 | {page:WordSection1;} |
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| 781 | --> |
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| 782 | </style> |
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|---|
| 784 | <style> |
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| 785 | /* Style Definitions */ |
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| 786 | table.MsoNormalTable |
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| 787 | {mso-style-name:"Table Normal"; |
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| 788 | mso-tstyle-rowband-size:0; |
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| 789 | mso-tstyle-colband-size:0; |
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| 790 | mso-style-noshow:yes; |
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| 793 | mso-padding-alt:0in 5.4pt 0in 5.4pt; |
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| 796 | mso-pagination:widow-orphan; |
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| 797 | font-size:10.0pt; |
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| 798 | font-family:"Calibri","sans-serif"; |
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| 799 | mso-ascii-font-family:Calibri; |
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| 800 | mso-ascii-theme-font:minor-latin; |
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| 801 | mso-hansi-font-family:Calibri; |
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| 802 | mso-hansi-theme-font:minor-latin;} |
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| 803 | table.MsoTableGrid |
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| 804 | {mso-style-name:"Table Grid"; |
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| 805 | mso-tstyle-rowband-size:0; |
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| 811 | mso-padding-alt:0in 5.4pt 0in 5.4pt; |
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| 819 | mso-ascii-font-family:Calibri; |
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| 822 | mso-hansi-theme-font:minor-latin;} |
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|---|
| 824 | <![endif]--><!--[if gte mso 9]><xml> |
|---|
| 825 | <o:shapedefaults v:ext="edit" spidmax="1027"/> |
|---|
| 826 | </xml><![endif]--><!--[if gte mso 9]><xml> |
|---|
| 827 | <o:shapelayout v:ext="edit"> |
|---|
| 828 | <o:idmap v:ext="edit" data="1"/> |
|---|
| 829 | <o:rules v:ext="edit"> |
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| 830 | <o:r id="V:Rule1" type="connector" idref="#Straight_x0020_Arrow_x0020_Connector_x0020_21"/> |
|---|
| 831 | </o:rules> |
|---|
| 832 | </o:shapelayout></xml><![endif]--> |
|---|
| 833 | </head> |
|---|
| 834 | |
|---|
| 835 | <body lang=EN-US link=blue vlink=purple style='tab-interval:.5in'> |
|---|
| 836 | |
|---|
| 837 | <div class=WordSection1> |
|---|
| 838 | |
|---|
| 839 | <h1><strong>Small Angle X-Ray Data Image Processing<o:p></o:p></strong></h1> |
|---|
| 840 | |
|---|
| 841 | <p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'>In |
|---|
| 842 | this tutorial you will reduce 2D SAXS data to create 1D absolute scaled data. |
|---|
| 843 | The data were collected at APS on beam line 15ID on some polymer base materials |
|---|
| 844 | to be used for liquid crystal displays. The processing has several steps |
|---|
| 845 | including detector calibration (i.e. determine sample-detector distance & |
|---|
| 846 | tilt), integration and scaling to an absolute scaled glassy carbon measurement. |
|---|
| 847 | The data were collected at a wavelength of 1.0332Å with a <span class=SpellE>MarCCD</span> |
|---|
| 848 | detector placed ~570mm from the sample. Note that menu entries are listed in |
|---|
| 849 | bold face below as <b style='mso-bidi-font-weight:normal'><span |
|---|
| 850 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 851 | mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font: |
|---|
| 852 | minor-latin'>Help/About GSAS-II</span></b>, which lists first the name of the |
|---|
| 853 | menu (here <b style='mso-bidi-font-weight:normal'><span style='font-family: |
|---|
| 854 | "Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: |
|---|
| 855 | minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin'>Help</span></b>) |
|---|
| 856 | and second the name of the entry in the menu (here <b style='mso-bidi-font-weight: |
|---|
| 857 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 858 | minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Calibri; |
|---|
| 859 | mso-bidi-theme-font:minor-latin'>About GSAS-II</span></b>).<span |
|---|
| 860 | style='mso-spacerun:yes'> </span><span style='mso-fareast-font-family:Calibri; |
|---|
| 861 | mso-fareast-theme-font:minor-latin;mso-bidi-font-weight:bold;mso-bidi-font-style: |
|---|
| 862 | italic'><o:p></o:p></span></p> |
|---|
| 863 | |
|---|
| 864 | <p class=MsoNormal>If you have not done so already, <a |
|---|
| 865 | href="Starting%20GSAS.htm">start GSAS-II</a>.</p> |
|---|
| 866 | |
|---|
| 867 | <h2>Step 1: Detector calibration</h2> |
|---|
| 868 | |
|---|
| 869 | <p class=MsoNormal>The detector position is determined by using an image |
|---|
| 870 | collected from silver <span class=SpellE>behenate</span>; do <b |
|---|
| 871 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 872 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Data/Read |
|---|
| 873 | Image data
</span></b> and a file selection dialog box will appear</p> |
|---|
| 874 | |
|---|
| 875 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shapetype |
|---|
| 876 | id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" |
|---|
| 877 | path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"> |
|---|
| 878 | <v:stroke joinstyle="miter"/> |
|---|
| 879 | <v:formulas> |
|---|
| 880 | <v:f eqn="if lineDrawn pixelLineWidth 0"/> |
|---|
| 881 | <v:f eqn="sum @0 1 0"/> |
|---|
| 882 | <v:f eqn="sum 0 0 @1"/> |
|---|
| 883 | <v:f eqn="prod @2 1 2"/> |
|---|
| 884 | <v:f eqn="prod @3 21600 pixelWidth"/> |
|---|
| 885 | <v:f eqn="prod @3 21600 pixelHeight"/> |
|---|
| 886 | <v:f eqn="sum @0 0 1"/> |
|---|
| 887 | <v:f eqn="prod @6 1 2"/> |
|---|
| 888 | <v:f eqn="prod @7 21600 pixelWidth"/> |
|---|
| 889 | <v:f eqn="sum @8 21600 0"/> |
|---|
| 890 | <v:f eqn="prod @7 21600 pixelHeight"/> |
|---|
| 891 | <v:f eqn="sum @10 21600 0"/> |
|---|
| 892 | </v:formulas> |
|---|
| 893 | <v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"/> |
|---|
| 894 | <o:lock v:ext="edit" aspectratio="t"/> |
|---|
| 895 | </v:shapetype><v:shape id="Picture_x0020_1" o:spid="_x0000_i1065" type="#_x0000_t75" |
|---|
| 896 | style='width:537pt;height:397.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 897 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image001.png" |
|---|
| 898 | o:title=""/> |
|---|
| 899 | </v:shape><![endif]--><![if !vml]><img border=0 width=716 height=530 |
|---|
| 900 | src="Small%20Angle%20Image%20Processing_files/image001.png" v:shapes="Picture_x0020_1"><![endif]></span></p> |
|---|
| 901 | |
|---|
| 902 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 903 | |
|---|
| 904 | <p class=MsoNormal>Go to <b style='mso-bidi-font-weight:normal'><span |
|---|
| 905 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 906 | mso-hansi-theme-font:minor-latin'>Exercises/Small angle/Image reduction</span></b> |
|---|
| 907 | and select <b style='mso-bidi-font-weight:normal'><span style='font-family: |
|---|
| 908 | "Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: |
|---|
| 909 | minor-latin'>AgBehenate_003.tif</span></b> with either a mouse button double |
|---|
| 910 | click or <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 911 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Open</span></b>; |
|---|
| 912 | the image will appear</p> |
|---|
| 913 | |
|---|
| 914 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 915 | id="Picture_x0020_16" o:spid="_x0000_i1064" type="#_x0000_t75" style='width:525pt; |
|---|
| 916 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 917 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image002.png" |
|---|
| 918 | o:title=""/> |
|---|
| 919 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 920 | src="Small%20Angle%20Image%20Processing_files/image002.png" v:shapes="Picture_x0020_16"><![endif]></span></p> |
|---|
| 921 | |
|---|
| 922 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 923 | |
|---|
| 924 | <p class=MsoNormal>And the <b style='mso-bidi-font-weight:normal'><span |
|---|
| 925 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 926 | mso-hansi-theme-font:minor-latin'>Image controls</span></b> window will show</p> |
|---|
| 927 | |
|---|
| 928 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 929 | id="Picture_x0020_3" o:spid="_x0000_i1063" type="#_x0000_t75" style='width:472.5pt; |
|---|
| 930 | height:388.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 931 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image003.png" |
|---|
| 932 | o:title=""/> |
|---|
| 933 | </v:shape><![endif]--><![if !vml]><img border=0 width=630 height=518 |
|---|
| 934 | src="Small%20Angle%20Image%20Processing_files/image003.png" v:shapes="Picture_x0020_3"><![endif]></span></p> |
|---|
| 935 | |
|---|
| 936 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 937 | |
|---|
| 938 | <p class=MsoNormal>Note the default <b style='mso-bidi-font-weight:normal'><span |
|---|
| 939 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 940 | mso-hansi-theme-font:minor-latin'>Type of image data</span></b> is <b |
|---|
| 941 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 942 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>PWDR - |
|---|
| 943 | powder diffraction data</span></b>; you will change that <span |
|---|
| 944 | style='mso-no-proof:yes'>now.</span> Select <b style='mso-bidi-font-weight: |
|---|
| 945 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 946 | minor-latin;mso-hansi-theme-font:minor-latin'>SASD small angle scattering |
|---|
| 947 | data</span></b> (the window will change). Enter the <b style='mso-bidi-font-weight: |
|---|
| 948 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 949 | minor-latin;mso-hansi-theme-font:minor-latin'>wavelength</span></b> (<b |
|---|
| 950 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 951 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>1.0332</span></b>), |
|---|
| 952 | and select the <span class=SpellE><b style='mso-bidi-font-weight:normal'><span |
|---|
| 953 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 954 | mso-hansi-theme-font:minor-latin'>Calibrant</span></b></span> (near bottom of |
|---|
| 955 | window) as <b style='mso-bidi-font-weight:normal'><span style='font-family: |
|---|
| 956 | "Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: |
|---|
| 957 | minor-latin'>Ag <span class=SpellE>behenate</span></span></b>. Note that the |
|---|
| 958 | calibration info for Ag <span class=SpellE>behenate</span> was read from a |
|---|
| 959 | python file <b style='mso-bidi-font-weight:normal'><span style='font-family: |
|---|
| 960 | "Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: |
|---|
| 961 | minor-latin'>GSASII/ImageCalibrants.py</span></b>. If you have a <span |
|---|
| 962 | class=SpellE>calibrant</span> that isnt in this file you should enter it in |
|---|
| 963 | the file <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 964 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>UserCalibrants.py</span></b>; |
|---|
| 965 | just follow the format of the examples within <b style='mso-bidi-font-weight: |
|---|
| 966 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 967 | minor-latin;mso-hansi-theme-font:minor-latin'>ImageCalibrants.py</span></b>. |
|---|
| 968 | You should move the <b style='mso-bidi-font-weight:normal'><span |
|---|
| 969 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 970 | mso-hansi-theme-font:minor-latin'>Max intensity</span></b> slider to near the |
|---|
| 971 | middle of the range that will improve the image. When done the <b |
|---|
| 972 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 973 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Image |
|---|
| 974 | controls</span></b> window should look like</p> |
|---|
| 975 | |
|---|
| 976 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 977 | id="Picture_x0020_4" o:spid="_x0000_i1062" type="#_x0000_t75" style='width:472.5pt; |
|---|
| 978 | height:388.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 979 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image004.png" |
|---|
| 980 | o:title=""/> |
|---|
| 981 | </v:shape><![endif]--><![if !vml]><img border=0 width=630 height=518 |
|---|
| 982 | src="Small%20Angle%20Image%20Processing_files/image004.png" v:shapes="Picture_x0020_4"><![endif]></span></p> |
|---|
| 983 | |
|---|
| 984 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 985 | |
|---|
| 986 | <p class=MsoNormal>And the image will be</p> |
|---|
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|---|
| 988 | <p class=MsoNormal><!--[if gte vml 1]><v:shapetype id="_x0000_t32" coordsize="21600,21600" |
|---|
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| 991 | <o:lock v:ext="edit" shapetype="t"/> |
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| 995 | z-index:251659264;visibility:visible;mso-wrap-style:square; |
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| 996 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
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| 997 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
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| 998 | mso-wrap-distance-bottom:0;mso-position-horizontal:absolute; |
|---|
| 999 | mso-position-horizontal-relative:text;mso-position-vertical:absolute; |
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| 1000 | mso-position-vertical-relative:text;mso-width-percent:0;mso-height-percent:0; |
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| 1023 | ffjBYRQ51NoOOEq46/QiSZbaYcvyocGeHhuqvnYnZ6B9Gt/senw/7A/Ovnxuts/zYNGY66tp/QAq |
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| 1024 | 0hT/zPBbX6pDKZ2O/sQ2qM7AbZbKlmggXdwLiCPNEoGjwDLJQJeF/r+h/AEAAP//AwBQSwECLQAU |
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| 1028 | LnhtbFBLAQItABQABgAIAAAAIQCB0qld3wAAAAsBAAAPAAAAAAAAAAAAAAAAAEUEAABkcnMvZG93 |
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| 1029 | bnJldi54bWxQSwUGAAAAAAQABADzAAAAUQUAAAAA |
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| 1030 | " strokecolor="#c0504d [3205]" strokeweight="3pt"> |
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| 1031 | <v:stroke endarrow="open"/> |
|---|
| 1032 | <v:shadow on="t" color="black" opacity="22937f" origin=",.5" offset="0,.63889mm"/> |
|---|
| 1033 | <o:lock v:ext="edit" shapetype="f"/> |
|---|
| 1034 | </v:shape><![endif]--><![if !vml]><span style='mso-ignore:vglayout;position: |
|---|
| 1035 | absolute;z-index:251659264;margin-left:234px;margin-top:274px;width:73px; |
|---|
| 1036 | height:38px'><img width=73 height=38 |
|---|
| 1037 | src="Small%20Angle%20Image%20Processing_files/image005.png" v:shapes="Straight_x0020_Arrow_x0020_Connector_x0020_21"></span><![endif]><span |
|---|
| 1038 | style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_5" |
|---|
| 1039 | o:spid="_x0000_i1061" type="#_x0000_t75" style='width:525pt;height:450pt; |
|---|
| 1040 | visibility:visible;mso-wrap-style:square'> |
|---|
| 1041 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image006.png" |
|---|
| 1042 | o:title=""/> |
|---|
| 1043 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1044 | src="Small%20Angle%20Image%20Processing_files/image006.png" v:shapes="Picture_x0020_5"><![endif]></span></p> |
|---|
| 1045 | |
|---|
| 1046 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1047 | |
|---|
| 1048 | <p class=MsoNormal>Next select <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1049 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1050 | mso-hansi-theme-font:minor-latin'>Operations/Calibrate</span></b> from the <b |
|---|
| 1051 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1052 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Image |
|---|
| 1053 | Controls</span></b> menu; a bit of instruction will appear on the status line |
|---|
| 1054 | of this window. Select 5 points on the innermost ring (arrowed above); a small |
|---|
| 1055 | red cross will appear at each selection point. Press the right mouse button to |
|---|
| 1056 | finish; calibration will proceed. A sequence of concentric red rings will |
|---|
| 1057 | appear; they will switch to blue when calibration is finished. Select <b |
|---|
| 1058 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1059 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Show ring |
|---|
| 1060 | picks</span></b> (near bottom right of <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1061 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1062 | mso-hansi-theme-font:minor-latin'>Image Controls</span></b> window). The <b |
|---|
| 1063 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1064 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Image |
|---|
| 1065 | Controls</span></b> window will show the results of the calibration</p> |
|---|
| 1066 | |
|---|
| 1067 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1068 | id="Picture_x0020_6" o:spid="_x0000_i1060" type="#_x0000_t75" style='width:472.5pt; |
|---|
| 1069 | height:388.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1070 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image007.png" |
|---|
| 1071 | o:title=""/> |
|---|
| 1072 | </v:shape><![endif]--><![if !vml]><img border=0 width=630 height=518 |
|---|
| 1073 | src="Small%20Angle%20Image%20Processing_files/image007.png" v:shapes="Picture_x0020_6"><![endif]></span></p> |
|---|
| 1074 | |
|---|
| 1075 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1076 | |
|---|
| 1077 | <p class=MsoNormal>And the plot will show the points (very sparse!) used in the |
|---|
| 1078 | calibration calculations.</p> |
|---|
| 1079 | |
|---|
| 1080 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1081 | id="Picture_x0020_23" o:spid="_x0000_i1059" type="#_x0000_t75" style='width:525pt; |
|---|
| 1082 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1083 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image008.png" |
|---|
| 1084 | o:title=""/> |
|---|
| 1085 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1086 | src="Small%20Angle%20Image%20Processing_files/image008.png" v:shapes="Picture_x0020_23"><![endif]></span></p> |
|---|
| 1087 | |
|---|
| 1088 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1089 | |
|---|
| 1090 | <p class=MsoNormal>You would like to use more points from just the visible |
|---|
| 1091 | rings. I suggest you change <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1092 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1093 | mso-hansi-theme-font:minor-latin'>Min ring I/<span class=SpellE><span |
|---|
| 1094 | class=GramE>Ib</span></span></span></b> to <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1095 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1096 | mso-hansi-theme-font:minor-latin'>0.5</span></b> and <b style='mso-bidi-font-weight: |
|---|
| 1097 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1098 | minor-latin;mso-hansi-theme-font:minor-latin'>Min <span class=SpellE>calib</span> |
|---|
| 1099 | d-spacing</span></b> to <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1100 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1101 | mso-hansi-theme-font:minor-latin'>10.0</span></b>. Do <b style='mso-bidi-font-weight: |
|---|
| 1102 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1103 | minor-latin;mso-hansi-theme-font:minor-latin'>Operations/Recalibrate</span></b>; |
|---|
| 1104 | more points will be used and they will be limited to the 5 visible rings in the |
|---|
| 1105 | pattern.</p> |
|---|
| 1106 | |
|---|
| 1107 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1108 | id="Picture_x0020_8" o:spid="_x0000_i1058" type="#_x0000_t75" style='width:525pt; |
|---|
| 1109 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1110 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image009.png" |
|---|
| 1111 | o:title=""/> |
|---|
| 1112 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1113 | src="Small%20Angle%20Image%20Processing_files/image009.png" v:shapes="Picture_x0020_8"><![endif]></span></p> |
|---|
| 1114 | |
|---|
| 1115 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1116 | |
|---|
| 1117 | <p class=MsoNormal>And give the calibration result as</p> |
|---|
| 1118 | |
|---|
| 1119 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1120 | id="Picture_x0020_25" o:spid="_x0000_i1057" type="#_x0000_t75" style='width:472.5pt; |
|---|
| 1121 | height:388.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1122 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image010.png" |
|---|
| 1123 | o:title=""/> |
|---|
| 1124 | </v:shape><![endif]--><![if !vml]><img border=0 width=630 height=518 |
|---|
| 1125 | src="Small%20Angle%20Image%20Processing_files/image010.png" v:shapes="Picture_x0020_25"><![endif]></span></p> |
|---|
| 1126 | |
|---|
| 1127 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1128 | |
|---|
| 1129 | <p class=MsoNormal>You will need this calibration information to process the |
|---|
| 1130 | other images in this tutorial. To save it for future use do <b |
|---|
| 1131 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1132 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Operations/Save |
|---|
| 1133 | controls</span></b>; a file dialog will appear</p> |
|---|
| 1134 | |
|---|
| 1135 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1136 | id="Picture_x0020_26" o:spid="_x0000_i1056" type="#_x0000_t75" style='width:537pt; |
|---|
| 1137 | height:397.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1138 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image011.png" |
|---|
| 1139 | o:title=""/> |
|---|
| 1140 | </v:shape><![endif]--><![if !vml]><img border=0 width=716 height=530 |
|---|
| 1141 | src="Small%20Angle%20Image%20Processing_files/image011.png" v:shapes="Picture_x0020_26"><![endif]></span></p> |
|---|
| 1142 | |
|---|
| 1143 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1144 | |
|---|
| 1145 | <p class=MsoNormal>Makeup a file name (no extension needed) for this; I chose <b |
|---|
| 1146 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1147 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>SASD</span></b>. |
|---|
| 1148 | Press <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1149 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Save</span></b> |
|---|
| 1150 | and the file <span class=SpellE><b style='mso-bidi-font-weight:normal'><span |
|---|
| 1151 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1152 | mso-hansi-theme-font:minor-latin'>SASD.imctrl</span></b></span> will be written |
|---|
| 1153 | to the local directory.</p> |
|---|
| 1154 | |
|---|
| 1155 | <p class=MsoNormal>If you are continuing on to the next step do <b |
|---|
| 1156 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1157 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>File/New |
|---|
| 1158 | Project</span></b> (dont bother saving the project file unless you want it; we |
|---|
| 1159 | will not need it here); otherwise you can exit GSAS-II.</p> |
|---|
| 1160 | |
|---|
| 1161 | <h2>Step 2: Data image integration</h2> |
|---|
| 1162 | |
|---|
| 1163 | <p class=MsoNormal>The objective here is to read in the four polymer sample |
|---|
| 1164 | images, a glassy carbon image, an empty container image and a dark image. The |
|---|
| 1165 | images will be integrated after creating masks to remove the beam stop and |
|---|
| 1166 | other objectionable parts of the images. If you have not done so already, <a |
|---|
| 1167 | href="Starting%20GSAS.htm">start GSAS-II</a>. </p> |
|---|
| 1168 | |
|---|
| 1169 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1170 | |
|---|
| 1171 | <p class=MsoNormal>First do <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1172 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1173 | mso-hansi-theme-font:minor-latin'>Data/Read image data
</span></b>, go to <b |
|---|
| 1174 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1175 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Exercises/Small |
|---|
| 1176 | angle/Image reduction</span></b> and select all images except <b |
|---|
| 1177 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1178 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>AgBehenate_003.tif</span></b>; |
|---|
| 1179 | then press <b style='mso-bidi-font-weight:normal'><span style='font-family: |
|---|
| 1180 | "Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: |
|---|
| 1181 | minor-latin'>Open</span></b> to read all of them. The GSAS-II data tree window |
|---|
| 1182 | will show entries for 7 images and will expand the last one</p> |
|---|
| 1183 | |
|---|
| 1184 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1185 | id="Picture_x0020_11" o:spid="_x0000_i1055" type="#_x0000_t75" style='width:300pt; |
|---|
| 1186 | height:308.25pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1187 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image013.png" |
|---|
| 1188 | o:title=""/> |
|---|
| 1189 | </v:shape><![endif]--><![if !vml]><img border=0 width=400 height=411 |
|---|
| 1190 | src="Small%20Angle%20Image%20Processing_files/image013.png" v:shapes="Picture_x0020_11"><![endif]></span></p> |
|---|
| 1191 | |
|---|
| 1192 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1193 | |
|---|
| 1194 | <p class=MsoNormal>Notice that the Dark, Empty and GC (glassy carbon) are all |
|---|
| 1195 | 5s images and the Sa1-4 ones are 40s images; this time information is needed |
|---|
| 1196 | later to obtain correct scaling. First select the <b style='mso-bidi-font-weight: |
|---|
| 1197 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1198 | minor-latin;mso-hansi-theme-font:minor-latin'>IMG GC_5s_200.tif</span></b> |
|---|
| 1199 | entry from the tree and expand it (press the <b style='mso-bidi-font-weight: |
|---|
| 1200 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1201 | minor-latin;mso-hansi-theme-font:minor-latin'>+</span></b> box); then select <b |
|---|
| 1202 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1203 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Image |
|---|
| 1204 | controls</span></b>. The data window (<b style='mso-bidi-font-weight:normal'><span |
|---|
| 1205 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1206 | mso-hansi-theme-font:minor-latin'>Image Controls</span></b>) will show the |
|---|
| 1207 | default settings.</p> |
|---|
| 1208 | |
|---|
| 1209 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1210 | id="Picture_x0020_12" o:spid="_x0000_i1054" type="#_x0000_t75" style='width:472.5pt; |
|---|
| 1211 | height:388.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1212 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image014.png" |
|---|
| 1213 | o:title=""/> |
|---|
| 1214 | </v:shape><![endif]--><![if !vml]><img border=0 width=630 height=518 |
|---|
| 1215 | src="Small%20Angle%20Image%20Processing_files/image014.png" v:shapes="Picture_x0020_12"><![endif]></span></p> |
|---|
| 1216 | |
|---|
| 1217 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1218 | |
|---|
| 1219 | <p class=MsoNormal>Do <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1220 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1221 | mso-hansi-theme-font:minor-latin'>Operations/Load controls</span></b> from the |
|---|
| 1222 | menu; a file selection dialog will appear showing the available *.<span |
|---|
| 1223 | class=SpellE>imctrl</span> files (the one you made in Step 1 should be seen).</p> |
|---|
| 1224 | |
|---|
| 1225 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1226 | id="Picture_x0020_13" o:spid="_x0000_i1053" type="#_x0000_t75" style='width:537pt; |
|---|
| 1227 | height:397.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1228 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image015.png" |
|---|
| 1229 | o:title=""/> |
|---|
| 1230 | </v:shape><![endif]--><![if !vml]><img border=0 width=716 height=530 |
|---|
| 1231 | src="Small%20Angle%20Image%20Processing_files/image015.png" v:shapes="Picture_x0020_13"><![endif]></span></p> |
|---|
| 1232 | |
|---|
| 1233 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1234 | |
|---|
| 1235 | <p class=MsoNormal>Select it and press <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1236 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1237 | mso-hansi-theme-font:minor-latin'>Open</span></b>; the <b style='mso-bidi-font-weight: |
|---|
| 1238 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1239 | minor-latin;mso-hansi-theme-font:minor-latin'>Image Controls</span></b> window |
|---|
| 1240 | will be redrawn with the settings obtained in <b style='mso-bidi-font-weight: |
|---|
| 1241 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1242 | minor-latin;mso-hansi-theme-font:minor-latin'>Step 1: Detector calibration</span></b></p> |
|---|
| 1243 | |
|---|
| 1244 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1245 | id="Picture_x0020_14" o:spid="_x0000_i1052" type="#_x0000_t75" style='width:472.5pt; |
|---|
| 1246 | height:388.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1247 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image016.png" |
|---|
| 1248 | o:title=""/> |
|---|
| 1249 | </v:shape><![endif]--><![if !vml]><img border=0 width=630 height=518 |
|---|
| 1250 | src="Small%20Angle%20Image%20Processing_files/image016.png" v:shapes="Picture_x0020_14"><![endif]></span></p> |
|---|
| 1251 | |
|---|
| 1252 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1253 | |
|---|
| 1254 | <p class=MsoNormal><span class=GramE>and</span> the image will be that of |
|---|
| 1255 | glassy carbon. Changing the <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1256 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1257 | mso-hansi-theme-font:minor-latin'>Max intensity</span></b> slider on the <b |
|---|
| 1258 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1259 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Image |
|---|
| 1260 | Controls</span></b> window will show that the image from the <span |
|---|
| 1261 | class=SpellE>MarCCD</span> is circular and slightly offset from the beam |
|---|
| 1262 | center. A beam stop shadow is evident as well as an arc-like fault in the image |
|---|
| 1263 | (toward the upper left corner of the image). We will sort those out later.</p> |
|---|
| 1264 | |
|---|
| 1265 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1266 | id="Picture_x0020_15" o:spid="_x0000_i1051" type="#_x0000_t75" style='width:525pt; |
|---|
| 1267 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1268 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image017.png" |
|---|
| 1269 | o:title=""/> |
|---|
| 1270 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1271 | src="Small%20Angle%20Image%20Processing_files/image017.png" v:shapes="Picture_x0020_15"><![endif]></span></p> |
|---|
| 1272 | |
|---|
| 1273 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1274 | |
|---|
| 1275 | <p class=MsoNormal>The next step we will be doing is to set up the integration |
|---|
| 1276 | controls. The <b style='mso-bidi-font-weight:normal'><span style='font-family: |
|---|
| 1277 | "Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: |
|---|
| 1278 | minor-latin'>Dark image</span></b> is <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1279 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1280 | mso-hansi-theme-font:minor-latin'>IMG Dark_5s_003.tif</span></b>, the <b |
|---|
| 1281 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1282 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Background |
|---|
| 1283 | image</span></b> is <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1284 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1285 | mso-hansi-theme-font:minor-latin'>IMG Empty_5s_014.tif</span></b>; select these |
|---|
| 1286 | two. The <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1287 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>multipliers</span></b> |
|---|
| 1288 | for each are <b style='mso-bidi-font-weight:normal'><span style='font-family: |
|---|
| 1289 | "Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: |
|---|
| 1290 | minor-latin'>-1.0</span></b> because their exposures were the same as this |
|---|
| 1291 | glassy carbon image (5s). Next check the boxes for <b style='mso-bidi-font-weight: |
|---|
| 1292 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1293 | minor-latin;mso-hansi-theme-font:minor-latin'>Show integration limits?</span></b> |
|---|
| 1294 | <span class=GramE>and</span> <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1295 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1296 | mso-hansi-theme-font:minor-latin'>Do full integration?</span></b> A pair of |
|---|
| 1297 | circles with a connecting diagonal line will appear on the plot. Set the <b |
|---|
| 1298 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1299 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Inner/Outer |
|---|
| 1300 | 2-theta</span></b> values to <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1301 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1302 | mso-hansi-theme-font:minor-latin'>0.5</span></b> and <b style='mso-bidi-font-weight: |
|---|
| 1303 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1304 | minor-latin;mso-hansi-theme-font:minor-latin'>9.0</span></b>, respectively, and |
|---|
| 1305 | set the <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1306 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Start |
|---|
| 1307 | azimuth</span></b> to <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1308 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1309 | mso-hansi-theme-font:minor-latin'>0</span></b>. Set the <b style='mso-bidi-font-weight: |
|---|
| 1310 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1311 | minor-latin;mso-hansi-theme-font:minor-latin'>No. 2-theta bins</span></b> to <b |
|---|
| 1312 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1313 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>250</span></b>, |
|---|
| 1314 | which is more appropriate for small angle scattering, and set the <b |
|---|
| 1315 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1316 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Bin style: |
|---|
| 1317 | Constant step bins in</span></b> to <span class=GramE><b style='mso-bidi-font-weight: |
|---|
| 1318 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1319 | minor-latin;mso-hansi-theme-font:minor-latin'>log(</span></b></span><b |
|---|
| 1320 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1321 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>q)</span></b>. |
|---|
| 1322 | You should also check the <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1323 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1324 | mso-hansi-theme-font:minor-latin'>Apply sample absorption?</span></b> <span |
|---|
| 1325 | class=GramE>and</span> <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1326 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1327 | mso-hansi-theme-font:minor-latin'>Apply polarization?</span></b> <span |
|---|
| 1328 | class=GramE>boxes</span>; enter the measured <b style='mso-bidi-font-weight: |
|---|
| 1329 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1330 | minor-latin;mso-hansi-theme-font:minor-latin'>transmission</span></b> (<b |
|---|
| 1331 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1332 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>0.818</span></b>) |
|---|
| 1333 | for the glassy carbon sample. When done the <b style='mso-bidi-font-weight: |
|---|
| 1334 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1335 | minor-latin;mso-hansi-theme-font:minor-latin'>Image Controls</span></b> data |
|---|
| 1336 | window should look like</p> |
|---|
| 1337 | |
|---|
| 1338 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1339 | id="Picture_x0020_29" o:spid="_x0000_i1050" type="#_x0000_t75" style='width:472.5pt; |
|---|
| 1340 | height:388.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1341 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image018.png" |
|---|
| 1342 | o:title=""/> |
|---|
| 1343 | </v:shape><![endif]--><![if !vml]><img border=0 width=630 height=518 |
|---|
| 1344 | src="Small%20Angle%20Image%20Processing_files/image018.png" v:shapes="Picture_x0020_29"><![endif]></span></p> |
|---|
| 1345 | |
|---|
| 1346 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1347 | |
|---|
| 1348 | <p class=MsoNormal>And the plot should look like</p> |
|---|
| 1349 | |
|---|
| 1350 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1351 | id="Picture_x0020_28" o:spid="_x0000_i1049" type="#_x0000_t75" style='width:525pt; |
|---|
| 1352 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1353 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image019.png" |
|---|
| 1354 | o:title=""/> |
|---|
| 1355 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1356 | src="Small%20Angle%20Image%20Processing_files/image019.png" v:shapes="Picture_x0020_28"><![endif]></span></p> |
|---|
| 1357 | |
|---|
| 1358 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1359 | |
|---|
| 1360 | <p class=MsoNormal>Now copy these controls to the other images. Do <b |
|---|
| 1361 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1362 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Operations/Copy |
|---|
| 1363 | controls</span></b> and select just the <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1364 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1365 | mso-hansi-theme-font:minor-latin'>Sa1-4</span></b> data names. </p> |
|---|
| 1366 | |
|---|
| 1367 | <p class=MsoNormal>We now need to go to the <b style='mso-bidi-font-weight: |
|---|
| 1368 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1369 | minor-latin;mso-hansi-theme-font:minor-latin'>Image Controls</span></b> for |
|---|
| 1370 | each of <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1371 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Sa1-Sa4</span></b> |
|---|
| 1372 | to enter the correct transmission for each and change the Dark & Background |
|---|
| 1373 | <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1374 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>multipliers</span></b> |
|---|
| 1375 | to account for the different exposure times. Start with <b style='mso-bidi-font-weight: |
|---|
| 1376 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1377 | minor-latin;mso-hansi-theme-font:minor-latin'>IMG Sa1_40s_067.tif</span></b> |
|---|
| 1378 | and change <b style='mso-bidi-font-weight:normal'><span style='font-family: |
|---|
| 1379 | "Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: |
|---|
| 1380 | minor-latin'>transmission</span></b> to <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1381 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1382 | mso-hansi-theme-font:minor-latin'>0.943</span></b> and the two <b |
|---|
| 1383 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1384 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>multipliers</span></b> |
|---|
| 1385 | to <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1386 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>-8.0</span></b>. |
|---|
| 1387 | Then go to <b style='mso-bidi-font-weight:normal'><span style='font-family: |
|---|
| 1388 | "Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: |
|---|
| 1389 | minor-latin'>IMG Sa2_40s_069.tif</span></b> and change <b style='mso-bidi-font-weight: |
|---|
| 1390 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1391 | minor-latin;mso-hansi-theme-font:minor-latin'>transmission</span></b> to <b |
|---|
| 1392 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1393 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>0.979</span></b>; |
|---|
| 1394 | <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1395 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>multipliers</span></b> |
|---|
| 1396 | to <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1397 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>-8.0</span></b>. |
|---|
| 1398 | Next go <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1399 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>to IMG |
|---|
| 1400 | Sa3_40s_059.tif</span></b> and change <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1401 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1402 | mso-hansi-theme-font:minor-latin'>transmission</span></b> to <b |
|---|
| 1403 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1404 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>0.960</span></b>; |
|---|
| 1405 | <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1406 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>multipliers</span></b> |
|---|
| 1407 | to <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1408 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>-8.0</span></b>. |
|---|
| 1409 | Finally, go to <b style='mso-bidi-font-weight:normal'><span style='font-family: |
|---|
| 1410 | "Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: |
|---|
| 1411 | minor-latin'>IMG Sa4_40s_061.tif</span></b> and change <b style='mso-bidi-font-weight: |
|---|
| 1412 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1413 | minor-latin;mso-hansi-theme-font:minor-latin'>transmission</span></b> to <b |
|---|
| 1414 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1415 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>0.968</span></b>; |
|---|
| 1416 | <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1417 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>multipliers</span></b> |
|---|
| 1418 | to <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1419 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>-8.0</span></b>. |
|---|
| 1420 | The <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1421 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Image |
|---|
| 1422 | Controls</span></b> data window for this should look like</p> |
|---|
| 1423 | |
|---|
| 1424 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1425 | id="Picture_x0020_38" o:spid="_x0000_i1048" type="#_x0000_t75" style='width:472.5pt; |
|---|
| 1426 | height:388.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1427 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image020.png" |
|---|
| 1428 | o:title=""/> |
|---|
| 1429 | </v:shape><![endif]--><![if !vml]><img border=0 width=630 height=518 |
|---|
| 1430 | src="Small%20Angle%20Image%20Processing_files/image020.png" v:shapes="Picture_x0020_38"><![endif]></span></p> |
|---|
| 1431 | |
|---|
| 1432 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1433 | |
|---|
| 1434 | <p class=MsoNormal>This is a reasonable time to save the project; do <b |
|---|
| 1435 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1436 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>File/Save |
|---|
| 1437 | project as
</span></b> from the main GSAS-II data tree menu. Choose a file name |
|---|
| 1438 | (I assumed <b style='mso-bidi-font-weight:normal'><span style='font-family: |
|---|
| 1439 | "Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: |
|---|
| 1440 | minor-latin'>image</span></b>) and it will be written on the local file |
|---|
| 1441 | directory. </p> |
|---|
| 1442 | |
|---|
| 1443 | <p class=MsoNormal>As noted earlier, the images contain some unwanted features; |
|---|
| 1444 | so lets create masks to remove them. Select <b style='mso-bidi-font-weight: |
|---|
| 1445 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1446 | minor-latin;mso-hansi-theme-font:minor-latin'>Masks</span></b> from the GSAS-II |
|---|
| 1447 | data tree under <b style='mso-bidi-font-weight:normal'><span style='font-family: |
|---|
| 1448 | "Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: |
|---|
| 1449 | minor-latin'>IMG GC_5s_200.tif</span></b>; the data window will show</p> |
|---|
| 1450 | |
|---|
| 1451 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1452 | id="Picture_x0020_17" o:spid="_x0000_i1047" type="#_x0000_t75" style='width:337.5pt; |
|---|
| 1453 | height:99.75pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1454 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image021.png" |
|---|
| 1455 | o:title=""/> |
|---|
| 1456 | </v:shape><![endif]--><![if !vml]><img border=0 width=450 height=133 |
|---|
| 1457 | src="Small%20Angle%20Image%20Processing_files/image021.png" v:shapes="Picture_x0020_17"><![endif]></span></p> |
|---|
| 1458 | |
|---|
| 1459 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1460 | |
|---|
| 1461 | <p class=MsoNormal>To mask out the regions beyond the circular <span |
|---|
| 1462 | class=SpellE>MarCCD</span> image change the <span class=GramE><b |
|---|
| 1463 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1464 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Lower<span |
|---|
| 1465 | style='mso-spacerun:yes'> </span><span class=SpellE>threshhold</span></span></b></span> |
|---|
| 1466 | from <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1467 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>0</span></b> |
|---|
| 1468 | to <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1469 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>1</span></b>; |
|---|
| 1470 | the image will be redrawn with these regions in red</p> |
|---|
| 1471 | |
|---|
| 1472 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1473 | id="Picture_x0020_30" o:spid="_x0000_i1046" type="#_x0000_t75" style='width:525pt; |
|---|
| 1474 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1475 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image022.png" |
|---|
| 1476 | o:title=""/> |
|---|
| 1477 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1478 | src="Small%20Angle%20Image%20Processing_files/image022.png" v:shapes="Picture_x0020_30"><![endif]></span></p> |
|---|
| 1479 | |
|---|
| 1480 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1481 | |
|---|
| 1482 | <p class=MsoNormal>These are now excluded. The status line for the <b |
|---|
| 1483 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1484 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Masks</span></b> |
|---|
| 1485 | data window gives the directions for adding additional masks. You can make arcs |
|---|
| 1486 | (well use that here), rings, spots (this too) and polygons (this as well) as |
|---|
| 1487 | masks. These enclose areas to be excluded. The frame works in the opposite |
|---|
| 1488 | sense in that everything outside the frame is excluded (NB: only one frame is |
|---|
| 1489 | allowed). So lets first mask the bad arc in the upper left zoom in on that |
|---|
| 1490 | part of the image</p> |
|---|
| 1491 | |
|---|
| 1492 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1493 | id="Picture_x0020_19" o:spid="_x0000_i1045" type="#_x0000_t75" style='width:525pt; |
|---|
| 1494 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1495 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image023.png" |
|---|
| 1496 | o:title=""/> |
|---|
| 1497 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1498 | src="Small%20Angle%20Image%20Processing_files/image023.png" v:shapes="Picture_x0020_19"><![endif]></span></p> |
|---|
| 1499 | |
|---|
| 1500 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1501 | |
|---|
| 1502 | <p class=MsoNormal>To add the mask 1: be sure the focus is on the image and the |
|---|
| 1503 | zoom buttons are off, 2: type <span class=GramE><b style='mso-bidi-font-weight: |
|---|
| 1504 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1505 | minor-latin;mso-hansi-theme-font:minor-latin'>a</span></b> to</span> activate |
|---|
| 1506 | the arc mask entry 3: press the left mouse button (<b style='mso-bidi-font-weight: |
|---|
| 1507 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1508 | minor-latin;mso-hansi-theme-font:minor-latin'>LB</span></b>) with the cursor |
|---|
| 1509 | centered on the bad arc. The <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1510 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1511 | mso-hansi-theme-font:minor-latin'>Masks</span></b> window will show a new entry |
|---|
| 1512 | </p> |
|---|
| 1513 | |
|---|
| 1514 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1515 | id="Picture_x0020_20" o:spid="_x0000_i1044" type="#_x0000_t75" style='width:337.5pt; |
|---|
| 1516 | height:135pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1517 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image024.png" |
|---|
| 1518 | o:title=""/> |
|---|
| 1519 | </v:shape><![endif]--><![if !vml]><img border=0 width=450 height=180 |
|---|
| 1520 | src="Small%20Angle%20Image%20Processing_files/image024.png" v:shapes="Picture_x0020_20"><![endif]></span><span |
|---|
| 1521 | style='mso-spacerun:yes'> </span></p> |
|---|
| 1522 | |
|---|
| 1523 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1524 | |
|---|
| 1525 | <p class=MsoNormal><span class=GramE>and</span> an arc mask will be drawn on |
|---|
| 1526 | the plot.</p> |
|---|
| 1527 | |
|---|
| 1528 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1529 | id="Picture_x0020_22" o:spid="_x0000_i1043" type="#_x0000_t75" style='width:525pt; |
|---|
| 1530 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1531 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image025.png" |
|---|
| 1532 | o:title=""/> |
|---|
| 1533 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1534 | src="Small%20Angle%20Image%20Processing_files/image025.png" v:shapes="Picture_x0020_22"><![endif]></span></p> |
|---|
| 1535 | |
|---|
| 1536 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1537 | |
|---|
| 1538 | <p class=MsoNormal>You can change the angular width of the arc by changing <b |
|---|
| 1539 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1540 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>thickness</span></b> |
|---|
| 1541 | in the <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1542 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Masks</span></b> |
|---|
| 1543 | data window, you can change the angular range of the arc by dragging either end |
|---|
| 1544 | of the arc, and you can move the arc<span style='mso-spacerun:yes'> |
|---|
| 1545 | </span>along a constant 2Θ angle by dragging on any point inside the mask. |
|---|
| 1546 | The curvature is centered on the beam center position and follows a constant |
|---|
| 1547 | 2Θ curve established by the detector calibration.<span style='mso-no-proof: |
|---|
| 1548 | yes'> <!--[if gte vml 1]><v:shape id="Picture_x0020_34" o:spid="_x0000_i1042" |
|---|
| 1549 | type="#_x0000_t75" style='width:525pt;height:450pt;visibility:visible; |
|---|
| 1550 | mso-wrap-style:square'> |
|---|
| 1551 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image026.png" |
|---|
| 1552 | o:title=""/> |
|---|
| 1553 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1554 | src="Small%20Angle%20Image%20Processing_files/image026.png" v:shapes="Picture_x0020_34"><![endif]></span></p> |
|---|
| 1555 | |
|---|
| 1556 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1557 | |
|---|
| 1558 | <p class=MsoNormal>Next lets deal with the beam stop. Im going to use both a |
|---|
| 1559 | polygon and a spot to cover it. Move the zoom area to be around the center, |
|---|
| 1560 | make sure the zoom buttons are off, enter <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1561 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1562 | mso-hansi-theme-font:minor-latin'>s</span></b> on the plot and press mouse <b |
|---|
| 1563 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1564 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>LB</span></b> |
|---|
| 1565 | with the cursor positioned where you want the spot. A 1mm diameter red circle |
|---|
| 1566 | will appear on the plot</p> |
|---|
| 1567 | |
|---|
| 1568 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1569 | id="Picture_x0020_35" o:spid="_x0000_i1041" type="#_x0000_t75" style='width:525pt; |
|---|
| 1570 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1571 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image027.png" |
|---|
| 1572 | o:title=""/> |
|---|
| 1573 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1574 | src="Small%20Angle%20Image%20Processing_files/image027.png" v:shapes="Picture_x0020_35"><![endif]></span></p> |
|---|
| 1575 | |
|---|
| 1576 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1577 | |
|---|
| 1578 | <p class=MsoNormal>And the <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1579 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1580 | mso-hansi-theme-font:minor-latin'>Masks</span></b> window will have new |
|---|
| 1581 | information</p> |
|---|
| 1582 | |
|---|
| 1583 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1584 | id="Picture_x0020_24" o:spid="_x0000_i1040" type="#_x0000_t75" style='width:337.5pt; |
|---|
| 1585 | height:170.25pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1586 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image028.png" |
|---|
| 1587 | o:title=""/> |
|---|
| 1588 | </v:shape><![endif]--><![if !vml]><img border=0 width=450 height=227 |
|---|
| 1589 | src="Small%20Angle%20Image%20Processing_files/image028.png" v:shapes="Picture_x0020_24"><![endif]></span></p> |
|---|
| 1590 | |
|---|
| 1591 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1592 | |
|---|
| 1593 | <p class=MsoNormal>You can change the diameter of the spot, I used <b |
|---|
| 1594 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1595 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>7.0</span></b>; |
|---|
| 1596 | the plot now shows a ring that just covers the beam stop. You may have to drag |
|---|
| 1597 | it a bit (Hint: drag the center of the spot) to get it well centered.</p> |
|---|
| 1598 | |
|---|
| 1599 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1600 | id="Picture_x0020_36" o:spid="_x0000_i1039" type="#_x0000_t75" style='width:525pt; |
|---|
| 1601 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1602 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image029.png" |
|---|
| 1603 | o:title=""/> |
|---|
| 1604 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1605 | src="Small%20Angle%20Image%20Processing_files/image029.png" v:shapes="Picture_x0020_36"><![endif]></span></p> |
|---|
| 1606 | |
|---|
| 1607 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1608 | |
|---|
| 1609 | <p class=MsoNormal>Next we need to mask the stick holding the beam stop; well |
|---|
| 1610 | use a 4 sided polygon for this. Adjust the zoom & position so you can see |
|---|
| 1611 | the entire beam stop stick. Make sure all zoom buttons are off, press <b |
|---|
| 1612 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1613 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>p</span></b> |
|---|
| 1614 | on the plot, then press the mouse <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1615 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1616 | mso-hansi-theme-font:minor-latin'>LB</span></b> at four points in succession |
|---|
| 1617 | around the beam stop stick. A line segment for the polygon will be drawn |
|---|
| 1618 | following your mouse clicks. Finally press the mouse <b style='mso-bidi-font-weight: |
|---|
| 1619 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1620 | minor-latin;mso-hansi-theme-font:minor-latin'>RB</span></b> to close the |
|---|
| 1621 | polygon. You should see something like</p> |
|---|
| 1622 | |
|---|
| 1623 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1624 | id="Picture_x0020_37" o:spid="_x0000_i1038" type="#_x0000_t75" style='width:525pt; |
|---|
| 1625 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1626 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image030.png" |
|---|
| 1627 | o:title=""/> |
|---|
| 1628 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1629 | src="Small%20Angle%20Image%20Processing_files/image030.png" v:shapes="Picture_x0020_37"><![endif]></span></p> |
|---|
| 1630 | |
|---|
| 1631 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1632 | |
|---|
| 1633 | <p class=MsoNormal>You can adjust the position of the polygon vertices by |
|---|
| 1634 | closely dragging it with mouse <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1635 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1636 | mso-hansi-theme-font:minor-latin'>LB</span></b> pressed; a new vertex can be |
|---|
| 1637 | added by dragging an existing vertex with the mouse <b style='mso-bidi-font-weight: |
|---|
| 1638 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1639 | minor-latin;mso-hansi-theme-font:minor-latin'>RB</span></b> pressed. If you |
|---|
| 1640 | drag one vertex onto another, they are merged and cannot be separated.</p> |
|---|
| 1641 | |
|---|
| 1642 | <p class=MsoNormal>We want to use these masks for all the Sa1-4 images. <span |
|---|
| 1643 | class=GramE>Do</span> <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1644 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1645 | mso-hansi-theme-font:minor-latin'>Operations/Copy mask</span></b>; a <b |
|---|
| 1646 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1647 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Copy mask |
|---|
| 1648 | information</span></b> dialog box will appear. Select the <b style='mso-bidi-font-weight: |
|---|
| 1649 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1650 | minor-latin;mso-hansi-theme-font:minor-latin'>Sa1-4</span></b> items and press <b |
|---|
| 1651 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1652 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Ok</span></b>. |
|---|
| 1653 | Here is a useful place to save your project; do <b style='mso-bidi-font-weight: |
|---|
| 1654 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1655 | minor-latin;mso-hansi-theme-font:minor-latin'>File/Save project</span></b> from |
|---|
| 1656 | the main GSAS-II data tree menu.</p> |
|---|
| 1657 | |
|---|
| 1658 | <h2>Step 3: Integration of images</h2> |
|---|
| 1659 | |
|---|
| 1660 | <p class=MsoNormal>We are now ready to integrate the glassy carbon and the four |
|---|
| 1661 | <span class=GramE>Sa</span> images. Select any <b style='mso-bidi-font-weight: |
|---|
| 1662 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1663 | minor-latin;mso-hansi-theme-font:minor-latin'>Image Controls</span></b> and |
|---|
| 1664 | then do <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1665 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Operations/Integrate |
|---|
| 1666 | all</span></b>. A selection dialog will appear; select only the GC and Sa1-Sa4 |
|---|
| 1667 | data sets and press Ok. The image integration will proceed; a progress bar |
|---|
| 1668 | shows as each one is done. Five SASD data items will appear on the GSAS-II data |
|---|
| 1669 | tree; the last one (<b style='mso-bidi-font-weight:normal'><span |
|---|
| 1670 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1671 | mso-hansi-theme-font:minor-latin'>SASD Sa4_40s_061.tif <span class=SpellE>Azm</span>=45.00</span></b>) |
|---|
| 1672 | will be expanded and plotted (you may have to select the <b style='mso-bidi-font-weight: |
|---|
| 1673 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1674 | minor-latin;mso-hansi-theme-font:minor-latin'>Powder Patterns</span></b> tab to |
|---|
| 1675 | see it).</p> |
|---|
| 1676 | |
|---|
| 1677 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1678 | id="Picture_x0020_39" o:spid="_x0000_i1037" type="#_x0000_t75" style='width:525pt; |
|---|
| 1679 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1680 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image031.png" |
|---|
| 1681 | o:title=""/> |
|---|
| 1682 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1683 | src="Small%20Angle%20Image%20Processing_files/image031.png" v:shapes="Picture_x0020_39"><![endif]></span></p> |
|---|
| 1684 | |
|---|
| 1685 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1686 | |
|---|
| 1687 | <p class=MsoNormal>Pretty obviously the SASD pattern is down to background at |
|---|
| 1688 | Q~0.25Å<sup>-1</sup>; the other Sa1-Sa4 patterns are similar. The glassy carbon |
|---|
| 1689 | pattern extends nicely to the highest Q (~1.0Å<sup>-1</sup>) measured.</p> |
|---|
| 1690 | |
|---|
| 1691 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1692 | id="Picture_x0020_40" o:spid="_x0000_i1036" type="#_x0000_t75" style='width:525pt; |
|---|
| 1693 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1694 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image032.png" |
|---|
| 1695 | o:title=""/> |
|---|
| 1696 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1697 | src="Small%20Angle%20Image%20Processing_files/image032.png" v:shapes="Picture_x0020_40"><![endif]></span></p> |
|---|
| 1698 | |
|---|
| 1699 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1700 | |
|---|
| 1701 | <h2>Step 4: Scaling of SASD patterns</h2> |
|---|
| 1702 | |
|---|
| 1703 | <p class=MsoNormal>To set this data on an absolute scale, we compare it to an |
|---|
| 1704 | absolute scaled glassy carbon scan. One of these is in the same directory as |
|---|
| 1705 | the image data; do <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1706 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1707 | mso-hansi-theme-font:minor-latin'>Import/Small Angle Data/ from <span |
|---|
| 1708 | class=GramE>q(</span>A-1) step X-ray QIE data file</span></b> and select <b |
|---|
| 1709 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1710 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>GC |
|---|
| 1711 | calibrated data.txt</span></b> from the file selection dialog. You will need to |
|---|
| 1712 | select <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1713 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>any <span |
|---|
| 1714 | class=GramE>file(</span>*.*)</span></b> to see it. A <b style='mso-bidi-font-weight: |
|---|
| 1715 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1716 | minor-latin;mso-hansi-theme-font:minor-latin'>Is <span class=GramE>this the</span> |
|---|
| 1717 | file you want</span></b> dialog will appear respond <b style='mso-bidi-font-weight: |
|---|
| 1718 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1719 | minor-latin;mso-hansi-theme-font:minor-latin'>Yes</span></b> to read the file; |
|---|
| 1720 | it will be plotted.</p> |
|---|
| 1721 | |
|---|
| 1722 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1723 | id="Picture_x0020_41" o:spid="_x0000_i1035" type="#_x0000_t75" style='width:525pt; |
|---|
| 1724 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1725 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image033.png" |
|---|
| 1726 | o:title=""/> |
|---|
| 1727 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1728 | src="Small%20Angle%20Image%20Processing_files/image033.png" v:shapes="Picture_x0020_41"><![endif]></span></p> |
|---|
| 1729 | |
|---|
| 1730 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1731 | |
|---|
| 1732 | <p class=MsoNormal>If you enter <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1733 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1734 | mso-hansi-theme-font:minor-latin'>m</span></b> on the plot window, all of the |
|---|
| 1735 | SASD patterns will be plotted together (Ive adjusted the zoom to see them |
|---|
| 1736 | all).</p> |
|---|
| 1737 | |
|---|
| 1738 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1739 | id="Picture_x0020_42" o:spid="_x0000_i1034" type="#_x0000_t75" style='width:525pt; |
|---|
| 1740 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1741 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image034.png" |
|---|
| 1742 | o:title=""/> |
|---|
| 1743 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1744 | src="Small%20Angle%20Image%20Processing_files/image034.png" v:shapes="Picture_x0020_42"><![endif]></span></p> |
|---|
| 1745 | |
|---|
| 1746 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1747 | |
|---|
| 1748 | <p class=MsoNormal>Clearly the measured image data need to be scaled down to |
|---|
| 1749 | have them on absolute scale. First is to discover the scaling between the two |
|---|
| 1750 | glassy carbon patterns. Go to the measured one (<b style='mso-bidi-font-weight: |
|---|
| 1751 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1752 | minor-latin;mso-hansi-theme-font:minor-latin'>SASD GC_5s_200.tif</span></b>) |
|---|
| 1753 | and select <b style='mso-bidi-font-weight:normal'><span style='font-family: |
|---|
| 1754 | "Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: |
|---|
| 1755 | minor-latin'>Sample Parameters</span></b>.</p> |
|---|
| 1756 | |
|---|
| 1757 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1758 | id="Picture_x0020_43" o:spid="_x0000_i1033" type="#_x0000_t75" style='width:291.75pt; |
|---|
| 1759 | height:388.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1760 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image035.png" |
|---|
| 1761 | o:title=""/> |
|---|
| 1762 | </v:shape><![endif]--><![if !vml]><img border=0 width=389 height=518 |
|---|
| 1763 | src="Small%20Angle%20Image%20Processing_files/image035.png" v:shapes="Picture_x0020_43"><![endif]></span></p> |
|---|
| 1764 | |
|---|
| 1765 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1766 | |
|---|
| 1767 | <p class=MsoNormal>We will change <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1768 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1769 | mso-hansi-theme-font:minor-latin'>Histogram scale factor</span></b> by |
|---|
| 1770 | comparison with the absolute glassy carbon scan. Do <b style='mso-bidi-font-weight: |
|---|
| 1771 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1772 | minor-latin;mso-hansi-theme-font:minor-latin'>Command/Set scale</span></b> from |
|---|
| 1773 | the <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1774 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Sample |
|---|
| 1775 | Parameters</span></b> menu; a <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1776 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1777 | mso-hansi-theme-font:minor-latin'>Reference histogram</span></b> dialog will |
|---|
| 1778 | appear.</p> |
|---|
| 1779 | |
|---|
| 1780 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1781 | id="Picture_x0020_44" o:spid="_x0000_i1032" type="#_x0000_t75" style='width:259.5pt; |
|---|
| 1782 | height:252pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1783 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image036.png" |
|---|
| 1784 | o:title=""/> |
|---|
| 1785 | </v:shape><![endif]--><![if !vml]><img border=0 width=346 height=336 |
|---|
| 1786 | src="Small%20Angle%20Image%20Processing_files/image036.png" v:shapes="Picture_x0020_44"><![endif]></span></p> |
|---|
| 1787 | |
|---|
| 1788 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1789 | |
|---|
| 1790 | <p class=MsoNormal>Select <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1791 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1792 | mso-hansi-theme-font:minor-latin'>SASD GC calibrated data.txt</span></b> (shown |
|---|
| 1793 | in blue above) and press <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1794 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1795 | mso-hansi-theme-font:minor-latin'>Ok</span></b>; the <b style='mso-bidi-font-weight: |
|---|
| 1796 | normal'><span style='font-family:"Calibri","sans-serif";mso-ascii-theme-font: |
|---|
| 1797 | minor-latin;mso-hansi-theme-font:minor-latin'>GC_5s_200.tif</span></b> data |
|---|
| 1798 | will be rescaled to the <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1799 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1800 | mso-hansi-theme-font:minor-latin'>GC calibrated data</span></b> and the <b |
|---|
| 1801 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1802 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Histogram |
|---|
| 1803 | scale factor</span></b> will be changed to the new scaling factor (<b |
|---|
| 1804 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1805 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>0.0008536</span></b>). |
|---|
| 1806 | The plot will be redrawn with the scaled data.</p> |
|---|
| 1807 | |
|---|
| 1808 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1809 | id="Picture_x0020_45" o:spid="_x0000_i1031" type="#_x0000_t75" style='width:525pt; |
|---|
| 1810 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1811 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image037.png" |
|---|
| 1812 | o:title=""/> |
|---|
| 1813 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1814 | src="Small%20Angle%20Image%20Processing_files/image037.png" v:shapes="Picture_x0020_45"><![endif]></span></p> |
|---|
| 1815 | |
|---|
| 1816 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1817 | |
|---|
| 1818 | <p class=MsoNormal>The divergence at high Q is probably from a background |
|---|
| 1819 | contribution to the standard that is not present in our measured one. Next we |
|---|
| 1820 | have to apply this scale factor to the Sa1-Sa4 data sets. Do <b |
|---|
| 1821 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1822 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Command/Copy |
|---|
| 1823 | selected
</span></b> from the <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1824 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1825 | mso-hansi-theme-font:minor-latin'>Sample Parameters</span></b> menu; a <b |
|---|
| 1826 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1827 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Select |
|---|
| 1828 | sample parameters</span></b> dialog will appear</p> |
|---|
| 1829 | |
|---|
| 1830 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1831 | id="Picture_x0020_46" o:spid="_x0000_i1030" type="#_x0000_t75" style='width:240pt; |
|---|
| 1832 | height:232.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1833 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image038.png" |
|---|
| 1834 | o:title=""/> |
|---|
| 1835 | </v:shape><![endif]--><![if !vml]><img border=0 width=320 height=310 |
|---|
| 1836 | src="Small%20Angle%20Image%20Processing_files/image038.png" v:shapes="Picture_x0020_46"><![endif]></span></p> |
|---|
| 1837 | |
|---|
| 1838 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1839 | |
|---|
| 1840 | <p class=MsoNormal>Select only <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1841 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1842 | mso-hansi-theme-font:minor-latin'>Histogram scale factor</span></b> and press <b |
|---|
| 1843 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1844 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Ok</span></b>; |
|---|
| 1845 | a <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1846 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Copy sample |
|---|
| 1847 | parameters</span></b> dialog will appear</p> |
|---|
| 1848 | |
|---|
| 1849 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1850 | id="Picture_x0020_47" o:spid="_x0000_i1029" type="#_x0000_t75" style='width:240pt; |
|---|
| 1851 | height:232.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1852 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image039.png" |
|---|
| 1853 | o:title=""/> |
|---|
| 1854 | </v:shape><![endif]--><![if !vml]><img border=0 width=320 height=310 |
|---|
| 1855 | src="Small%20Angle%20Image%20Processing_files/image039.png" v:shapes="Picture_x0020_47"><![endif]></span></p> |
|---|
| 1856 | |
|---|
| 1857 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1858 | |
|---|
| 1859 | <p class=MsoNormal>Select only the <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1860 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1861 | mso-hansi-theme-font:minor-latin'>Sa1-Sa4</span></b> data sets and press <b |
|---|
| 1862 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1863 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Ok</span></b>. |
|---|
| 1864 | The copy will occur and the plot redrawn</p> |
|---|
| 1865 | |
|---|
| 1866 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1867 | id="Picture_x0020_48" o:spid="_x0000_i1028" type="#_x0000_t75" style='width:525pt; |
|---|
| 1868 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1869 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image040.png" |
|---|
| 1870 | o:title=""/> |
|---|
| 1871 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
|---|
| 1872 | src="Small%20Angle%20Image%20Processing_files/image040.png" v:shapes="Picture_x0020_48"><![endif]></span></p> |
|---|
| 1873 | |
|---|
| 1874 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1875 | |
|---|
| 1876 | <p class=MsoNormal>Ive changed the zoom to show all the data. We are not quite |
|---|
| 1877 | done; the scales for the Sa1-Sa4 data sets have to be further reduced by a |
|---|
| 1878 | factor of 8 to account for the longer exposure time. Select <b |
|---|
| 1879 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1880 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>SASD |
|---|
| 1881 | Sa1_40s_067.tif</span></b> from the GSAS-II data tree, expand it and choose <b |
|---|
| 1882 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1883 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Sample |
|---|
| 1884 | Parameters</span></b></p> |
|---|
| 1885 | |
|---|
| 1886 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1887 | id="Picture_x0020_49" o:spid="_x0000_i1027" type="#_x0000_t75" style='width:291.75pt; |
|---|
| 1888 | height:388.5pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1889 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image041.png" |
|---|
| 1890 | o:title=""/> |
|---|
| 1891 | </v:shape><![endif]--><![if !vml]><img border=0 width=389 height=518 |
|---|
| 1892 | src="Small%20Angle%20Image%20Processing_files/image041.png" v:shapes="Picture_x0020_49"><![endif]></span></p> |
|---|
| 1893 | |
|---|
| 1894 | <p class=MsoNormal><o:p> </o:p></p> |
|---|
| 1895 | |
|---|
| 1896 | <p class=MsoNormal>The data items here can take simple mathematical expressions |
|---|
| 1897 | so change <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1898 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Histogram |
|---|
| 1899 | scale factor</span></b> to <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1900 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1901 | mso-hansi-theme-font:minor-latin'>0.0008536/8</span></b> and press <b |
|---|
| 1902 | style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
|---|
| 1903 | mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Enter</span></b>. |
|---|
| 1904 | The value will change to <b style='mso-bidi-font-weight:normal'><span |
|---|
| 1905 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
|---|
| 1906 | mso-hansi-theme-font:minor-latin'>0.0001067</span></b> and the plot redrawn.</p> |
|---|
| 1907 | |
|---|
| 1908 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
|---|
| 1909 | id="Picture_x0020_50" o:spid="_x0000_i1026" type="#_x0000_t75" style='width:525pt; |
|---|
| 1910 | height:450pt;visibility:visible;mso-wrap-style:square'> |
|---|
| 1911 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image042.png" |
|---|
| 1912 | o:title=""/> |
|---|
| 1913 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
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| 1914 | src="Small%20Angle%20Image%20Processing_files/image042.png" v:shapes="Picture_x0020_50"><![endif]></span></p> |
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| 1915 | |
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| 1916 | <p class=MsoNormal><o:p> </o:p></p> |
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| 1917 | |
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| 1918 | <p class=MsoNormal>Next do <b style='mso-bidi-font-weight:normal'><span |
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| 1919 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
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| 1920 | mso-hansi-theme-font:minor-latin'>Command/Copy selected</span></b> as before to |
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| 1921 | copy this new scale factor to the other <span class=GramE>Sa</span> data sets. |
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| 1922 | The plot will again be redrawn</p> |
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| 1923 | |
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| 1924 | <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
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| 1925 | id="Picture_x0020_51" o:spid="_x0000_i1025" type="#_x0000_t75" style='width:525pt; |
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| 1926 | height:450pt;visibility:visible;mso-wrap-style:square'> |
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| 1927 | <v:imagedata src="Small%20Angle%20Image%20Processing_files/image043.png" |
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| 1928 | o:title=""/> |
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| 1929 | </v:shape><![endif]--><![if !vml]><img border=0 width=700 height=600 |
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| 1930 | src="Small%20Angle%20Image%20Processing_files/image043.png" v:shapes="Picture_x0020_51"><![endif]></span></p> |
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| 1931 | |
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| 1932 | <p class=MsoNormal><o:p> </o:p></p> |
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| 1933 | |
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| 1934 | <p class=MsoNormal>Everything is now on absolute scale and these polymer |
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| 1935 | samples are quite weak small angle <span class=SpellE>scatterers</span>. This |
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| 1936 | is a good point to do a <b style='mso-bidi-font-weight:normal'><span |
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| 1937 | style='font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin; |
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| 1938 | mso-hansi-theme-font:minor-latin'>File/Save project</span></b> from the main |
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| 1939 | GSAS-II data tree menu. You can try to fit unified & <span class=SpellE>Porod</span> |
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| 1940 | models to them following the procedures demonstrated in the <strong><span |
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| 1941 | style='font-weight:normal;mso-bidi-font-weight:bold'><a |
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| 1942 | href="Fitting%20Small%20Angle%20Scattering%20Data.htm"><span style='mso-bidi-font-weight: |
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| 1943 | normal'>Fitting Small Angle X-Ray Data</span></a> tutorial. Id set the high Q |
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| 1944 | limit to about 0.25Å<sup>-1</sup> as above that is only noisy background.</span></strong></p> |
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| 1945 | |
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| 1946 | </div> |
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| 1947 | |
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| 1948 | </body> |
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| 1949 | |
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| 1950 | </html> |
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