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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<P>More information about EXPGUI, including information on how it
24can be customized, can be found on web pages <A HREF="http://rrdjazz.nist.gov/~toby/expgui/expgui.html">expgui.html</A>
25and <A HREF="http://rrdjazz.nist.gov/~toby/expgui/expgui_cfg.html">expgui_cfg.html</A>, found in the gsas/expgui/doc directory.
26
27<H2>
281. EXPGUI Downloading</H2>
29download file
30<A HREF="ftp://rrdjazz.nist.gov/bt1/gsas/expgui.tar.gz">
31ftp://rrdjazz.nist.gov/bt1/gsas/expgui.tar.gz</A> (~300 K)
32by shift-clicking on the previous link.
33<P>
34If you want to try the latest release (which may not have gotten
35a lot of testing, but probably has new bug fixes and capabilities) shift-click
36on <A HREF="ftp://rrdjazz.nist.gov/bt1/gsas/expgui_ALPHA.tar.gz">
37ftp://rrdjazz.nist.gov/bt1/gsas/expgui_ALPHA.tar.gz</A>
38<H2>
392. EXPGUI Installation</H2>
40A few short steps are needed to load EXPGUI on your computer.
41<H4>
422.1 Create a directory and restore the files</H4>
43The EXPGUI scripts are set up to be run from a <B>subdirectory in the main GSAS
44directory</B>, by convention I assume the directory name <tt>expgui</tt>, but this is
45not required. Thus, if you have located the GSAS package in
46<TT>/usr/local/gsas</TT> (so that there is a directory
47<TT>/usr/local/gsas/exe</TT>, <TT>/usr/local/gsas/data</TT>, ...)
48I assume you will put
49these files in <TT>/usr/local/gsas/expgui</TT> but any subdirectory,
50such as <TT>/usr/local/gsas/tcl</TT> will work fine.
51Change the subsequent commands if GSAS is located somewhere
52other than <TT>/usr/local/gsas</TT>.
53
54<PRE>
55            cd    /usr/local/gsas
56            mkdir expgui
57            cd    expgui
58            gunzip <  [/path]expgui.tar.gz  | tar xvf -
59</PRE>
60<P>When restoring the GSAS files from the tar file,
61note that <TT>[/path]</TT> in the example above indicates the location
62where you downloaded the tar file in section 2, above.
63
64<H4>
652.2a Installing a shortcut to EXPGUI in .cshrc</H4>
66<P>To use EXPGUI, you probably need to create an easy way to access it.
67One way to do this is to add an alias to your ~/.cshrc file:
68<PRE>
69                cat >> ~/.cshrc
70                alias expgui "wish /usr/local/gsas/expgui/expgui"
71                ^D
72</PRE>
73<H4>
742.2b Installing EXPGUI in the path</H4>
75<P>
76Another way to simplify access to EXPGUI
77is to create a file which will execute the GUI script from
78a command in your system's path, for example <TT>/usr/bin</TT>.
79<PRE>
80                cat > /usr/bin/expgui
81                wish /usr/local/gsas/expgui/expgui
82                ^D
83                chmod +x /usr/bin/expgui
84</PRE>
85<H4>
862.2c Linking EXPGUI in the path</H4>
87<P>
88Another way to simplify access to EXPGUI
89is to create a link in your system's path to the GUI script.
90Note that you may need to modify the first line of
91<TT>/usr/local/gsas/expgui/expgui</TT>, if wish is located somewhere
92other than <TT>/usr/local/bin/wish</TT>.
93
94<PRE>
95                chmod +x /usr/local/gsas/expgui/expgui
96                ln -s /usr/local/gsas/expgui/expgui /usr/bin/expgui
97</PRE>
98
99<em>Note that in the above commands </em><TT>^D</TT><em> means control-D.</em>
100<hr>
101GSAS is written by Allen C. Larson and Robert B. Von Dreele,  MS-H805,
102Los Alamos National Laboratory, Los Alamos, NM 87545. Problems, questions
103or kudos concerning GSAS should be sent to Robert B. Von Dreele at
104<A HREF="MAILTO:vondreele@lanl.gov">vondreele@lanl.gov</A>
105<P>GSAS is Copyright, 1984-1997, The Regents of the University of California.
106The GSAS software was produced under a U.S. Government contract (W-7405-ENG-36)
107by the Los Alamos National Laboratory, which is operated by the University
108of California for the U.S. Department of Energy. The U.S. Government is
109licensed to use, reproduce, and distribute this software. Permission is
110granted to the public to copy and use this software without charge, provided
111that this notice and any statement of authorship are reproduced on all
112copies. Neither the Government nor the University makes any warranty, express
113or implied, or assumes any liability or responsibility for the use of this
114software.
115<P>EXPGUI is written by Brian H. Toby of the NIST Center for Neutron Research,
116<A HREF="MAILTO:Brian.Toby@NIST.GOV">Brian.Toby@NIST.GOV</A> 
117with help from Jonathan Wasserman.
118
119<P>EXPGUI is not subject to copyright. Have fun with it.
120
121<p>Neither the U.S. Government nor any author makes any warranty,
122expressed or implied, or assumes any liability or responsibility
123for the use of this information or the software described
124here. Brand names cited here are used for
125identification purposes and do not consitute an endorsement by NIST.
126
127<p><a href="http://rrdjazz.nist.gov/~toby/">Brian Toby</a> (<a href="mailto:brian.toby@nist.gov">Brian.Toby@NIST.GOV</a>)
128<br>
129$Revision: 64 $ $Date: 2009-12-04 22:59:48 +0000 (Fri, 04 Dec 2009) $
130</body>
131</html>
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