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Hamish wrote:
<blockquote cite="mid:20070903235620.949cefcc.hamish_nospam@yahoo.com"
type="cite">
<pre wrap="">Luigi Ponti wrote:
</pre>
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<pre wrap="">Installation instructions at
<a class="moz-txt-link-rfc2396E" href="http://grass.itc.it/grass62/binary/mswindows/"><http://grass.itc.it/grass62/binary/mswindows/></a>
</pre>
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<pre wrap=""><!---->..
</pre>
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<pre wrap="">Starting GRASS ...
Application initialization failed: this isn't a Tk
applicationcouldn't connect to display "localhost:0"
Error in startup script: dynamic loading is not currently available
on this system
while executing
"load /usr/local/lib/tk8.4/../libtk8.4.a Tk"
</pre>
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<pre wrap="">..
</pre>
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<pre wrap=""><!---->Hamish:
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<pre wrap="">Did you modify the bash line to run startx, launching X at startup?
bash --login -i -c startx
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<pre wrap="">Yes, I did. Here is my cygwin_grass.bat file:
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<pre wrap=""><!---->..
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<pre wrap="">the next thing I see is the GRASS startup message
Cleaning up temporary files.....
Starting GRASS ...
And no X runs. GRASS starts in text mode but then it tries to load a
GUI and off course this fails.
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<pre wrap=""><!---->
No idea as to what is going wrong.
The plan is that cygwin starts X11 on startup (-c startx) in the cygwin
dos-box; then X11 opens a xterm when it starts; and that xterm launches
grass. The '-n "$DISPLAY"' part should protect against it trying to start
grass from the cygwin dos-box outside of X11. What does:
echo $DISPLAY
say from the cygwin dos-box prompt (not the xterm).
?
Hamish</pre>
</blockquote>
It says<br>
<blockquote>127.0.0.1:0.0<br>
</blockquote>
Nice cue: I had a $DISPLAY set via the winXP control panel that was
apparently interfering with the<br>
<blockquote>if [ -n "$DISPLAY" ] && [ -n "$GRASS_AUTOSTART" ] ;
then<br>
</blockquote>
switch at the bottom of .bashrc (this is probably why GRASS would start
before the XTerm was running, as you said. Now I understand the
rationale behind it).<br>
<br>
As an aside, if I run a cygwin_grass_modified.bat script that is
basically grass61.bat (and all related environmental variables that are
set therein) except that I deleted the<br>
<blockquote>run xterm ...<br>
</blockquote>
line and added <br>
<blockquote>set GRASS_AUTOSTART=1<br>
bash --login -i -c startx<br>
</blockquote>
what happens is that GRASS runs inside dos-box (or at least this what
the shell looks like -- the title bar says
"C:\WINDOWS\system32\cmd.exe") but since there is an X Server running,
the GUI loads OK and faster than with the regular cygwin_grass.bat
file. Apparently, the lower loading time is due to no XTerm starting up
in the latter case -- there is only one shell open. Don't know if this
can be of any use.<br>
<br>
Unrelated thing: in the process I also found out that in order for the
g.manual script to display cygwin/GRASS HTML help files, the
cygwin_root environmental variable needs to be set up in
cygwin_grass.bat<br>
<blockquote>SET CYGWIN_ROOT=c:\cygwin<br>
</blockquote>
otherwise it is empty (it used to be set up by grass61.bat, but not by
cygwin_grass.bat) when g.manual calls it. (Again, from a previous post,
there is a lot of missing HTML help files in the version I downloaded
-- 6.2.2-1: is it just a download error?)<br>
<br>
Thanks and regards,<br>
<br>
Luigi<br>
<br>
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