source: trunk/doc/expguierr.html @ 412

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# on 2001/08/24 18:56:53, toby did:
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1<html>
2<head>
3   <META NAME="Author" CONTENT="Brian H. Toby">
4   <title>EXPGUI Messages</title>
5</head>
6<BODY BGCOLOR="#FFFFFF">
7
8<A HREF=http://www.ncnr.nist.gov>
9<IMG SRC="http://www.ncnr.nist.gov/images/ncnrtrans.gif" 
10alt="Link to NIST Center for Neutron Research home page"
11ALIGN=RIGHT></A>
12<A HREF=http://www.nist.gov>
13<IMG SRC="http://www.ncnr.nist.gov/images/webidblue_2lineright.gif" 
14alt="Link to National Institute of Standards & Technology home page"
15ALIGN=LEFT></A>
16<CENTER>
17<A Href="http://www.ncnr.nist.gov/programs/crystallography/software/tclpkgs.html">
18<IMG SRC="tcltklogo100.gif" 
19alt="Link to Tcl/Tk information">
20</CENTER></A>
21<br clear=all>
22<hr>
23
24<TABLE BORDER BGCOLOR="#FFFF40" ALIGN=RIGHT>
25<TR><TH><A  Href="expgui.html">EXPGUI top</A> 
26</TH></TR></TABLE><BR CLEAR=ALL>
27
28<center><h1>
29EXPGUI Informational, Warning and Error Messages
30</h1></center>
31This page contains additional information about various warning
32and error screens that may occur in EXPGUI as well as descriptions
33for a number of utility functions.
34
35<a name="Info"></a>
36<H2>Informational Messages</H2>
37<a name="Overwrite"></a>
38<h3>File has been modified...</h3> 
39<DL><DL>
40This message occurs when EXPGUI detects that the experiment file has
41been changed by another program. (EXPGUI only tracks the file
42modification date, so that the file could have been opened for writing,
43but no actual changes were made.) This can be normal behavior -- for example
44after a refinement cycle has been run,
45or this can signal a problem, such as two people
46or sessions trying to edit the same .EXP file.
47This warning is made because a choice must be made: to keep the version
48currently displayed in EXPGUI, or to use the new version
49written by the other program.
50On UNIX, this message can be avoided by setting the
51<a href="expguic.html#Autoupdate">Autoupdate EXP</a> flag
52to "on" causes .EXP files to be loaded automatically after GSAS
53programs are run, eliminating most occurrences where this message is
54displayed, but with the disadvantage that a bad refinement run can not
55be reversed easily.
56<UL>
57<LI>
58If you choose to keep the
59currently displayed version and make changes and then save the file, either
60by using the File/Save menu option or by running a GSAS program,
61the new version just written will be lost,
62if any changes are made in EXPGUI and are then saved.
63This can be useful -- to discard the
64results of a refinement that has gone awry --
65but in other cases may not be desirable.
66<LI>
67If you opt to load the new .EXP file, by pressing "Load new",
68the version currently displayed in
69the EXPGUI window will be lost. This is normally what you will want to do,
70but if you unsure, you can select "Continue with old", use File/Save As to
71save the version in EXPGUI and then use "EXPNAM" to load the new version,
72so they can be compared.
73</UL>
74If changes have been made to the experiment file in EXPGUI
75since it was last saved, and
76the file is changed by an external program, the message "you have made
77changes to this version" is added and a third button,
78"Save edited version", is shown. Under this circumstance, the usual action,
79pressing "Load new" could result in valuable changes being lost. Pressing
80"Save edited version" results brings you to the File/"Save as" menu,
81where the modified version of the experiment file in EXPGUI can be
82saved under a new name.
83<br clear=all>
84</DL></DL>
85
86<a name="lock"></a>
87<h3>Please wait while GSAS program finishes...</h3> 
88<DL><DL>
89A window labeled "<tt>Please wait while GSAS program finishes."
90If a problem occurs, close the DOS box and press the "Continue" button</tt> 
91is created in Windows-9x while GSAS programs are run. As this window
92is created, a "lock" file (<tt>expgui.lck</tt>) is also created. When the
93DOS batch file running the GSAS program completes, this file is deleted.
94The EXPGUI process waits until the <tt>expgui.lck</tt> lock file
95is deleted. Should the DOS process crash before the file is deleted,
96the "Continue" button can be pressed. This causes
97EXPGUI to continue and deletes the lock file.
98<br clear=all>
99</DL></DL>
100
101<br clear=all>
102<a name="Inputtitle"></a>
103<h3>Input a value for the title</h3> 
104<DL><DL>
105A dialog with "Enter a value for the title for experiment..."  appears
106when a new experiment is created. Note that this title can be edited
107later on the
108<a href="expgui1.html">Least Squares Control Page</a>.
109</DL></DL>
110
111
112
113<br clear=all>
114<a name="ChooseCIF"></a>
115<h3>Choose CIF Block</h3> 
116<DL><DL>
117When coordinates/cell parameters are read from a CIF, all blocks in the file
118are read. If more than block containing coordinates is found, a message
119saying "More than one block in CIF contains coordinates. Select the block to use."
120One must then select one of these blocks from the list of blocks.
121The blocks with coordinates are listed, both numbered and with the
122block (data_) name. The "CIF Browser"
123button can be pressed to view the data names and their values for each block.
124</DL></DL>
125
126
127<br clear=all>
128<a name="open"></a>
129<h3>Open Experiment File</h3> 
130<DL><DL>
131The Open Experiment windows is displayed to select a
132experiment file to read or write, as well as a
133directory to use. When the message at the top reads
134"Select an experiment file to read" either an
135existing experiment file should be selected, or a new
136name may be typed in at the box at the bottom to enter
137a name manually. If the file is not found,
138you will be warned and given the option of
139creating a new experiment with that name.
140
141When the message at the top reads
142"Select an experiment file to create",
143typically after a "Save as" command,
144the directory may be changed, but typically
145a file name will be typed into the bottom box.
146If the file exists, you will be warned before the
147file is overwritten and you will have the option
148to enter a different file name.
149<P>
150Note that the files in the list can be sorted
151alphabetically or can be sorted by the date the
152experiment file was last modified, according to
153the checkbuttons to the upper right.
154<P>
155In Unix another checkbox appears, offering the choice
156to "Include Archived Files." When this is checked, files
157named <xxxxxx>.EXP.nnn and <xxxxxx>.EXP.nnn.gz
158(see the
159<A href="expguic.html#archive">archive option</A>)
160are included in the file box. These files can be directly loaded.
161(Note the <A href="#LoadArchived">Load Archived File</A> discussion, below.
162</DL></DL>
163
164<br clear=all>
165<a name="LoadArchived"></a>
166<h3>Load Archived File</h3> 
167<DL><DL>
168When a archived experiment file is read, the "Load Archived File"
169window is displayed to select the name to be used for the experiment.
170There are two choices. One is to reuse existing name.
171This will cause the archived experiment to overwrite the current version of
172the experiment file. The other option is to save the experiment
173under a new name.
174</DL></DL>
175
176<a name="Warn"></a>
177<H2>Warning Messages</H2>
178
179<br clear=all>
180<a name="AbandonAtomConstraints"></a>
181<h3>Abandoning Constraint Editing</h3> 
182<DL><DL>
183If the "Cancel Changes" button is pressed when
184a profile or atom constraint is being edited or created, a message saying
185"Do you want to lose any changes made to this constraint?" is displayed, even
186if no changes have been made to the constraint. Changes are recorded only when the
187"Save" button is pressed.
188</DL></DL>
189
190
191<br clear=all>
192<a name="OpenErr"></a>
193<h3>File ... does not exist in ...</h3> 
194<DL><DL>
195When an attempt is made to open a file that does not
196already exists, for example when the EXPNAM command
197is used, this warning is displayed. The answer can be
198"Select other" or "Create", where "Select other" will
199return you to a file selection dialog and "Create"
200will create a new dialog with this name.
201</DL></DL>
202
203<br clear=all>
204<a name="OverwriteErr"></a>
205<a name="OverwriteCnv"></a>
206<h3>File ... already exists in ... OK to overwrite?</h3> 
207<DL><DL>
208When an attempt is made to using the File/"Save As"
209command to write the current experiment file
210with a new name, but
211a file with the newly specified name already exists,
212this message is displayed. Choose "Select other"
213to specify a different file name or "Overwrite"
214to use this name in which case the older file
215is replaced.
216<P>
217A similar warning will occur in UNIX when converting files.
218If the intended output file already exists,
219this message is displayed. Choose "Cancel"
220to specify a different file name or "Overwrite"
221to use this name in which case the older file
222is replaced.
223This message can be seen in Windows when converting files,
224for slightly different reasons. When files are converted, the
225converted file keeps the same name as the original version. However,
226th original file is renamed to XXXX.ord, where XXXX.YYY is the
227original file name. If a file named XXXX.ord already exists, this message
228is displayed.
229</DL></DL>
230
231<br clear=all>
232<a name="NoValidHist"></a>
233<h3>No histograms are ready to plot. Run GENLES and try again.</h3> 
234<DL><DL>
235This happens when LIVEPLOT is run but no valid histograms are available
236to plot. LIVEPLOT can plot histograms only when they have been processed by
237both POWPREF and GENLES.
238</DL></DL>
239
240<a name="Error"></a>
241<H2>Error Messages</H2>
242
243<br clear=all>
244<a name="NoPGPLOT"></a>
245<h3>Unable to find file GRFONT.DAT...</h3> 
246<DL><DL>
247The file <tt>grfont.dat</tt> is expected to be in the ...\gsas\fonts directory
248in DOS/Windows platforms and files <tt>grfont.dat</tt> and
249<tt>pgxwin_server</tt> are expected to be found in the .../gsas/pgl directory
250in UNIX. If these files cannot be found, GSAS will not be able to produce
251graphics in programs such as POWPLOT, RAWPLOT,...
252If GSAS and EXPGUI are correctly installed this error will not occur
253(see the installation notes for
254<A HREF="expgui_Win_readme.html">Windows</A>
255and
256<A HREF="expgui_Unix_readme.html">UNIX</A>.
257
258</DL></DL>
259
260<br clear=all>
261<a name="ConvNotFound"></a>
262<h3>Sorry, file ... not found in ...</h3> 
263<DL><DL>
264The specified input file was not found for conversion
265</DL></DL>
266
267<br clear=all>
268<a name="ConvSameName"></a>
269<h3>Sorry, filenames must differ</h3> 
270<DL><DL>
271For UNIX file conversions, the input and output file names
272must be different. You have specified the same name twice.
273</DL></DL>
274
275<br clear=all>
276<a name="NoRename"></a>
277<h3>Unable to rename <I>XXXXX</I>.LST</h3> 
278<DL><DL>
279This message is displayed if the GSAS .LST file could not
280be renamed prior to running DISAGL in a separate window.
281On Windows it appears that LSTVIEW can prevent EXPGUI
282from renaming the .LST file. Either exit LSTVIEW
283while running DISAGL or reset the DISAGL option
284DISAGL so that output goes to the .LST file.
285</DL></DL>
286
287<br clear=all>
288<a name=""></a>
289<h3></h3> 
290<DL><DL>
291</DL></DL>
292
293<hr>
294<TABLE BORDER BGCOLOR="#FFFF40" ALIGN=RIGHT>
295<TR><TH><A  Href="expgui.html">EXPGUI top</A> 
296</TH></TR></TABLE>
297
298<a href="http://www.ncnr.nist.gov/staff/toby/">Brian Toby</a> (<a href="mailto:brian.toby@nist.gov">Brian.Toby@NIST.GOV</a>)
299<br>
300$Revision: 412 $ $Date: 2009-12-04 23:05:44 +0000 (Fri, 04 Dec 2009) $
301</body>
302</html>
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