Right OK, a bit of an update:

I additionally installed the freeglut dev kit, and the first reported
proplem has gone away.
Now the dialog box with the 'Demos' opens, and what's more, most of the
demos seem to run OK.

However, there is still a problem with the OpenGL ones:

If I click on the 'opengl' demo, I get a dialog box as follows:
   OpenGL create context failed.  OpenGL not available.
If I 'OK' this, then a second dialog box appears:  wdhandler
error in: demos_ok_button
  OpenGL not supprted on j64: assert
    'OpenGL not supprted on j64'  assert 0

If I click on the 'opengl simple...' demo, then I only get the second
dialog box (wdhandler: OpenGL not supported on j64, etc)

==

Bill, typing "locate libOSMesa.so" at the shell doesn't return anything, so
I guess it's not installed after all.
What NEEDS to be installed?  I am unclear on the differences between
freeglut and mesa, and on the reasons why both are needed.






On 13 October 2012 23:55, bill lam <[email protected]> wrote:

> That should be the only use of find_dll not yet fixed.  Please
> try in bash shell,
>
> $ locate libOSMesa.so
>
> and report what will be the output. (should be something like
> /usr/lib/libOSMesa.so.6)
>
> I did not install osmesa so not sure if nvdia opengl driver will
> conflict with osmesa or not.
>
> Сбт, 13 Окт 2012, alexgian писал(а):
> > Hi -  I thought I might try some OpenGL cookery on my Linux (Ubuntu)
> > system, but I have no luck as it is currently set up.
> >
> > If I try anything involving OpenGL, eg. the 'Demos'  I get the following
> > message:  'wdhandler'
> >   error in:  jijs_demos_button
> >   could not locate dll GL: find_dll
> >   ('could not locate dll',y)  13!:8]24
> >
> > Now as far as I can see, MESA is installed, and my (NVIDIA) card also
> > indicates the presence of OpenGL, though without much info.
> > Other 3d GL software on my sytem is running fine.
> > I can't find any relevant sections in the config file either.
> >
> > Any ideas/pointers as to what I sould be looking for?
> > What dll (*.so) does J require (I am using 6.02 on 64-bit system)?
> >
> > Any hints/suggestions appreciated.
> >
> > Thanks
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
>
> --
> regards,
> ====================================================
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> gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3
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