I really like the look of the j801 window. But I've encountered issues which keep me from making much use of j801. Since I have little knowledge of (or interest in) the GUI aspects of J, I hesitate to ask for help, since I may not understand the answer!
But at some point 801 will be out of beta, and maybe others will
face these issues.

 Here's why I don't use j801 under Mac OS 10.6.8.

 Every time a new release of j801 comes out, I load it and give
it a try. But I still have the same problems. j64-801 does run,
but the graphics utilities are a problem. Plot works by invoking
Adobe Acrobat, which will not display a file unless I close the
current display. How can I change the display program (maybe to
Preview?) to something that will display new plots - either in a new window, or just overwrite the old one?

 More serious is that viewmat (which I find really useful and very
important for what I do)  does not work at all. It simply produces
no display. Here's what I get on my MacBook Pro,

   JVERSION
Engine: j701/2011-01-10/11:25 build: Feb  6 2011 16:16:29
Library: 8.01.011
Qt IDE: 1.0.9
Platform: Darwin 64
Installer: j801 beta install
InstallPath: /Users/jph/j64-801

 load 'viewmat'
 viewmat 10 10$100?500

displays nothing (no error message either). and  running the viewmat
lab also displays no viewmat window. ----------------------------------------------------
Also in labs, OpenGL throws error message:
not found: /Users/jph/j64-801/addons/graphics/opengl/opengl.ijs
and also a pop-up error box.

-----------------------------------------------------
If I try to run the "Graphics - gl2 commands" lab, I get:

error in: gl2lab_g_paint
rank error: l
       glrgb__l y[[l=.locGL2_jgl2_

and endless series of error boxes forces me to kill J
with "force quit". (Jbreak doesn't work.)

======================================================================
Now, I would rather run the 32-bit j801, because I often want LAPACK, which
is not supported under 64-bit. But, j801 (32-bit) doesn't work for me at all:

/Users/jph/j801/bin/jconsole ; exit;
[uni:~] jph% /Users/jph/j801/bin/jconsole ; exit;
   JVERSION
Engine: j701/2011-01-10/11:25
Library: 8.01.011
Platform: Darwin 32
Installer: j801 beta install
InstallPath: /Users/jph/j801

After I have run "install 'all' " and then run jqt, I get:

/Users/jph/j801/bin/jqt ; exit;
[uni:~] jph% /Users/jph/j801/bin/jqt ; exit;
dyld: Library not loaded: 
@executable_path/../Qt/Frameworks/QtGui.framework/Versions/4/QtGui
  Referenced from: /Users/jph/j801/bin/jqt
  Reason: no suitable image found.  Did find:
        /Library/Frameworks/QtGui.framework/Versions/4/QtGui: mach-o, but wrong 
architecture
Trace/BPT trap
logout
=========================================================================

I'd appreciate any ideas on how to fix these issues.

                                                         Patrick

PS. I also have a linux box at work and a PC at home. J801 does not work
    for me on those either. Details later.
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