source: trunk/tutorial1/nickel2.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"
12      topmargin="0" leftmargin="0" marginwidth="0" marginheight="0" 
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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>GSAS Nickel example using EXPGUI (part 2)</H1>
23</CENTER>
24<H1>
252. Add a phase 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.
33Enter the appropriate information in the
34"add new phase" window and press the Add button.
35<img src="addph1.gif">
36<BR>
37<img src="addph2.gif" ALIGN=LEFT>
38Since a common source of errors is to improperly format
39the space group for GSAS, the generated operators are shown
40in a window.
41These should be checked.
42If you press Redo, you are given a chance to correct
43the space group.
44 
45<BR clear=left><P>
46<img src="addph3.gif" ALIGN=LEFT>
47Since the operators above are correct,
48press the Continue button and the
49phase is added and the output created from adding the
50phase is shown in a window. Press OK to continue.
51Press the "1" button that has just been added to
52the Phase pane to display the phase you have just entered.
53
54<BR clear=left><P>
55<a name="phasepane">
56<img src="addph4.gif">
57</a>
58<BR clear=left>
59While we could add atoms to the phase now, this will be done later to
60keep in sync with the GSAS tutorial.
61
62<P><BR>(.EXP Snapshot:
63<A HREF="ftp://ftp.ncnr.nist.gov/pub/cryst/gsas/tutorials/nickel2.exp">
64nickel2.exp
65</A>)
66
67<BR clear=left>
68<HR>
69Previous Step: <A HREF="nickel1.html">
70Create a GSAS Experiment File</A>
71<BR>
72Next step: <A HREF="nickel3.html">
73Add data (histograms) to the Experiment</A>
74
75<HR>
76</blockquote>
77<P><font size=-1><A HREF="MAILTO:crystal@NIST.gov?subject=WWW page <?=$PHP_SELF?>">Comments, corrections or questions: crystal@NIST.gov</A></font><BR>
78<font size=-1><? lastmod(); ?> </font>
79<BR>$Revision: 930 $ $Date: 2009-12-04 23:14:35 +0000 (Fri, 04 Dec 2009) $
80</body>
81</html>
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