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1<HTML>
2<HEAD>
3   <TITLE>Installation notes for EXPGUI in Unix</TITLE>
4</HEAD>
5<BODY>
6<H1>
7<FONT SIZE=+2>Installation notes for GSAS with the EXPGUI GUI for UNIX</FONT></H1>
8Note that root access is not required to load GSAS, Tcl/Tk and
9EXPGUI.
10
11<H2>0. Prerequisites</H2>
12
13I will assume that you already have the Tcl/Tk package loaded on your computer. If this
14is not true, please see
15<A HREF="http://rrdjazz.nist.gov/~toby/tclpkgs.html">
16http://rrdjazz.nist.gov/~toby/tclpkgs.html
17</A> for installation instructions.
18Likewise, I will assume you have also loaded the appropriate GSAS release, if not see
19<A HREF="http://rrdjazz.nist.gov/~toby/unixgsas.html">
20http://rrdjazz.nist.gov/~toby/unixgsas.html
21</A> for installation instructions.
22
23<H2>
241. EXPGUI Downloading</H2>
25download file
26<A HREF="ftp://rrdjazz.nist.gov/bt1/gsas/expgui.tar.gz">
27ftp://rrdjazz.nist.gov/bt1/gsas/expgui.tar.gz</A> (? K)
28by shift-clicking on the previous link.
29<H2>
302. EXPGUI Installation</H2>
31A few short steps are needed to load EXPGUI on your computer.
32<H4>
332.1 Create a directory and restore the files</H4>
34The EXPGUI scripts are set up to be run from a <B>subdirectory in the main GSAS
35directory</B>, by convention I assume the directory name <tt>tcl</tt>, but this is
36not required. Thus if you have located the GSAS package in
37<TT>/usr/local/gsas</TT> (so that there is a directory
38<TT>/usr/local/gsas/exe</TT>, <TT>/usr/local/gsas/data</TT>, ...)
39I assume you will put
40these files in <TT>/usr/local/gsas/tcl</TT> but any subdirectory,
41such as <TT>/usr/local/gsas/expgui</TT> will work fine.
42Change the first <TT>cd</TT> command if GSAS is located somewhere
43other than <TT>/usr/local/gsas</TT>.
44
45<PRE>
46            cd    /usr/local/gsas
47            mkdir tcl
48            cd    tcl
49            gunzip <  [/path]expgui.tar.gz  | tar xvf -
50</PRE>
51<P>When restoring the GSAS files from the tar file,
52note that <TT>[/path]</TT> in the example above indicates the location
53where you downloaded the tar file in section 2, above.
54
55<H4>
562.2a Installing a shortcut to EXPGUI in .cshrc</H4>
57<P>To use EXPGUI, you need to create an easy way to access it.
58One way to do this is to add an alias to your ~/.cshrc file:
59<PRE>
60                cat >> ~/.cshrc
61                alias expgui "wish /usr/local/gsas/tcl/expgui"
62                ^D
63</PRE>
64<H4>
652.2b Installing EXPGUI in the path</H4>
66<P>
67Another way to simplify access to EXPGUI
68is to create a file which will execute the GUI script from
69a command in your system's path, for example <TT>/usr/bin</TT>.
70<PRE>
71                cat > /usr/bin/expgui
72                wish /usr/local/gsas/tcl/expgui
73                ^D
74                chmod +x /usr/bin/expgui
75</PRE>
76Note that in the above commands ^D means control-D.
77<hr>
78GSAS is written by Allen C. Larson and Robert B. Von Dreele,  MS-H805,
79Los Alamos National Laboratory, Los Alamos, NM 87545. Problems, questions
80or kudos concerning GSAS should be sent to Robert B. Von Dreele at
81<A HREF="MAILTO:vondreele@lanl.gov">vondreele@lanl.gov</A>
82<P>GSAS is Copyright, 1984-1997, The Regents of the University of California.
83The GSAS software was produced under a U.S. Government contract (W-7405-ENG-36)
84by the Los Alamos National Laboratory, which is operated by the University
85of California for the U.S. Department of Energy. The U.S. Government is
86licensed to use, reproduce, and distribute this software. Permission is
87granted to the public to copy and use this software without charge, provided
88that this notice and any statement of authorship are reproduced on all
89copies. Neither the Government nor the University makes any warranty, express
90or implied, or assumes any liability or responsibility for the use of this
91software.
92<P>EXPGUI is written by Brian H. Toby of the NIST Center for Neutron Research,
93<A HREF="MAILTO:Brian.Toby@NIST.GOV">Brian.Toby@NIST.GOV</A> 
94with help from Jonathan Wasserman.
95
96<P>EXPGUI is not subject to copyright. Have fun with it.
97
98<p>Neither the U.S. Government nor any author makes any warranty,
99expressed or implied, or assumes any liability or responsibility
100for the use of this information or the software described
101here. Brand names cited here are used for
102identification purposes and do not consitute an endorsement by NIST.
103
104<p><a href="http://rrdjazz.nist.gov/~toby/">Brian Toby</a> (<a href="mailto:brian.toby@nist.gov">Brian.Toby@NIST.GOV</a>)
105<br>
106$Revision: 33 $ $Date: 2009-12-04 22:59:15 +0000 (Fri, 04 Dec 2009) $
107</body>
108</html>
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