source: trunk/tutorial2/garnet2.html @ 930

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1<html>
2<head>
3   <title>EXPGUI Tutorial #2</title>
4</head>
5
6<style>
7A:link {text-decoration:none}
8A:vlink {text-decoration:none}
9</style>
10
11<BODY BGCOLOR="#FFFFFF"
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14
15<?
16   include("/var/www/include/navigation.inc");
17   include("/var/www/include/utility.inc");
18?>
19<blockquote>
20
21<CENTER>
22<H1>EXPGUI Tutorial: Garnet (part 2)</H1>
23</CENTER>
24<H1>
252. Add a phase and atoms to the Experiment
26</H1>
27
28
29The next step is to define a phase. (Note that
30in EXPEDT, one must define a phase before reading in
31histograms but in EXPGUI, this can be done in either order.)
32Switch to the Phase pane, and press the "Add Phase" button.
33<BR>
34<img src="addph1.gif">
35<BR>Enter the appropriate information in the
36add new phase window and press the "Add" button.
37<P>
38<img src="addph2.gif" ALIGN=LEFT>
39Since a common source of errors is to improperly format
40the space group for GSAS, the generated operators are shown
41in a window.
42These should be checked.
43 
44<BR clear=left><P>
45<img src="addph3.gif" ALIGN=LEFT>
46Since the operators above are correct,
47press the Continue button and the
48phase is added and the output created from adding the
49phase is shown in a window. Press OK to continue.
50Press the "1" button that has just been added to
51the Phase pane to display the phase you have just entered.
52
53<BR clear=left><P>
54<img src="addph4.gif">
55<BR clear=left>
56Now we will add the atoms to the phase
57by pressing the "Add New Atom" button
58in the lower left of the Phase pane.
59<BR clear=left>
60<img src="addatom1.gif" align=left>
61At first the add atom menu appears with room for a
62single atom to be added. Press the "More atoms" button 5 times to create
63spaces for six atoms and add the atom information found on page 66.
64<BR clear=left>
65<P><img src="addatom2.gif" align=left>
66After all atoms have been typed in, press the "Add Atoms" button and then
67the screen below appears, so that it can be verified that the atoms
68have been added correctly.
69<BR clear=left>
70<P>
71<img src="addatom3.gif" align=left>
72After pressing OK. The contents of the phase is displayed as is shown below.
73<BR clear=left>
74<P><img src="addatom4.gif">
75<BR clear=left>
76
77<P><BR>(.EXP Snapshot:
78<A HREF="ftp://ftp.ncnr.nist.gov/pub/cryst/gsas/tutorials/garnet2.exp">
79garnet2.exp
80</A>)
81
82<BR clear=left>
83<HR>
84Previous Step: <A HREF="garnet1.html">
85Create a GSAS Experiment File</A>
86<BR>
87Next step: <A HREF="garnet3.html">
88Add data (histogram) to the Experiment</A>
89
90<HR>
91</blockquote>
92<P><font size=-1><A HREF="MAILTO:crystal@NIST.gov?subject=WWW page <?=$PHP_SELF?>">Comments, corrections or questions: crystal@NIST.gov</A></font><BR>
93<font size=-1><? lastmod(); ?> </font>
94<BR>$Revision: 930 $ $Date: 2009-12-04 23:14:35 +0000 (Fri, 04 Dec 2009) $
95</body>
96</html>
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