source: trunk/tutorial2/index.html @ 602

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# on 2002/04/12 21:34:08, toby did:
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1<html>
2<head>
3   <title>EXPGUI Tutorial Intro</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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13      text="#000000" link="#0033ff" vlink="#0033ff" alink="#0033ff">
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 (Intro)</H1>
23</CENTER>
24<H1>Introduction</H1>
25
26The following pages show how to use EXPGUI to
27perform the same tutorial refinement for Yttrium Iron Garnet powder,
28presented in the
29<A HREF="http://www.nist.gov/cgi-bin/exit_nist.cgi?url=ftp://ftp.lanl.gov/public/gsas/manual/manual.pdf">
30GSAS manual</A> (pages 65-81 in the 9/1/94 edition) but
31using EXPGUI instead of EXPEDT, as done in the manual.
32
33<P>
34<I>Note:</I> 
35<blockquote>
36while it is possible to have your working GSAS files
37(for example the .EXP file) in a separate directory from
38the raw data file(s), I discourage this practice as it then
39becomes quite difficult to later copy or move the .EXP
40file from one directory or computer to another.
41For this reason, I suggest copying the data (.RAW) files
42into the directory where you will create the Experiment
43(.EXP) file.
44<P>
45For this example, I am working in directory
46<tt>/home/toby/work</tt>, and the
47data files and parameters files are in directory
48<tt>/home/toby/gsas/example</tt>, so
49I copy the Garnet data and instrument parameter file using UNIX commands:
50<PRE>
51       cp /home/toby/gsas/example/garnet.raw   /home/toby/work/
52       cp /home/toby/gsas/example/inst_d1a.prm /home/toby/work/
53</PRE>
54For Windows I would likely copy the files by dragging their icons between
55the appropriate folders.
56</blockquote>
57
58<H2>Tutorial Outline</H2>
59<OL>
60<LI><A HREF="garnet1.html">
61Creating a GSAS Experiment File</A>
62<LI><A HREF="garnet2.html">
63Add a phase and atoms to the Experiment</A>
64<LI><A HREF="garnet3.html">
65Add data (histogram) to the Experiment</A>
66<LI><A HREF="garnet4.html">
67Run POWPREF and GENLES</A>
68<LI><A HREF="garnet5.html">
69Plot data using POWPLOT or LIVEPLOT</A>
70<LI><A HREF="garnet6.html">
71Additional Least-Squares Refinement</A>
72<LI><A HREF="garnet7.html">
73Define constraints</A>
74<LI><A HREF="garnet8.html">
75Vary atomic parameters</A>
76<LI><A HREF="garnet9.html">
77Compute Bond Distances and Angles</A>
78</OL>
79<UL>
80<LI>
81<A HREF="../tutorial1/nickelnotes.html">Other notes (includes RAWPLOT example)</A>
82</UL>
83<P>
84<H2>Sample files</H2>
85Sample .EXP files have been saved at points through the tutorial. These
86are indicated in the tutorial as ".EXP snapshots". These files have been
87reformatted for DOS/Windows, but EXPGUI users will have no trouble
88using them on either platform.
89<UL>
90<LI><A HREF="ftp://ftp.ncnr.nist.gov/pub/cryst/gsas/tutorials/garnet2.exp">
91garnet2.exp</A>
92 -- After adding a phase and atoms to the Experiment
93<LI><A HREF="ftp://ftp.ncnr.nist.gov/pub/cryst/gsas/tutorials/garnet3.exp">
94garnet3.exp</A>
95-- After adding data (histograms) to the Experiment
96<LI><A HREF="ftp://ftp.ncnr.nist.gov/pub/cryst/gsas/tutorials/garnet4.exp">
97garnet4.exp</A>
98-- After initial GENLES
99<LI><A HREF="ftp://ftp.ncnr.nist.gov/pub/cryst/gsas/tutorials/garnet6.exp">
100garnet6.exp</A>
101-- After fitting cell and zero point
102<LI><A HREF="ftp://ftp.ncnr.nist.gov/pub/cryst/gsas/tutorials/garnet7.exp">
103garnet7.exp</A>
104-- After defining constraints
105<LI><A HREF="ftp://ftp.ncnr.nist.gov/pub/cryst/gsas/tutorials/garnet8.exp">
106garnet8.exp</A>
107-- After final refinement
108</UL>
109Other sample files:
110<UL>
111<LI><A HREF="ftp://ftp.ncnr.nist.gov/pub/cryst/gsas/tutorials/garnet.raw">
112garnet.raw
113</A> -- data file
114<LI><A HREF="ftp://ftp.ncnr.nist.gov/pub/cryst/gsas/tutorials/inst_d1a.prm">
115inst_d1a.prm
116</A> -- instrument parameter file
117</UL>
118
119<P>
120<HR>
121</blockquote>
122<P><font size=-1><A HREF="MAILTO:crystal@NIST.gov?subject=WWW page <?=$PHP_SELF?>">Comments, corrections or questions: crystal@NIST.gov</A></font><BR>
123<font size=-1><? lastmod(); ?> </font>
124<BR>$Revision: 602 $ $Date: 2009-12-04 23:08:55 +0000 (Fri, 04 Dec 2009) $
125</body>
126</html>
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