[vtkusers] vtk-Java Help

Surajit Nundy nundys at neuro.duke.edu
Tue Oct 1 00:20:21 EDT 2002

I have been able to successfully make Java wrapped libraries on 10.2.1. 
  They almost work (I can see vtkRenderWindows and generate other 
classes easily).  However, one major exception remains:-

If I do vtkPolyDataMapper.SetInput( cone.GetOutput()), the program 
fails with a EXC_BAD_ACCESS error.  This is not a java problem, because 
I cannot catch an exception around this code.  Instead, a "Bus Error" 
happens with the above problem written to Console. Oddly, I can use 
vtkPolyDataMapper.SetInput in C++ and Tcl code without any problems, 
which suggests that the actual Java wrapping is responsible.  Since 
this is a pretty important method and class (I can't visualize data 
without it), I was hoping you would have some ideas about it.

I also haven't been able to use vtkPanel.java yet which apparently 
makes the Carbon drawing surface thread-safe (using vtkRenderWindow 
directly apparently is not thread-safe).  Have you used these 


On Wednesday, September 25, 2002, at 02:32  AM, Raphael Sebbe wrote:

> Here is my CMakeCache.txt, it builds VTK for Cocoa, but no Java 
> backend. Note that the last time I built it was on September 3 (from 
> CVS).
> <CMakeCache.txt>
> Raphael
> On Tuesday, September 24, 2002, at 08:37 PM, Surajit Nundy wrote:
>> Problems:
>> I successfully built VTK using Cocoa on Mac OS X 10.2.1.  However, 
>> when I try to run it, I get the error message (unlike Sandor Heman):-
>> /TimeRenderer
>> dyld: ./TimeRenderer Undefined symbols:
>> OpenGL undefined reference to _gll_noop expected to be defined in 
>> /usr/X11R6/lib/libGL.dylib
>> OpenGL undefined reference to _gll_pkey expected to be defined in 
>> /usr/X11R6/lib/libGL.dylib
>> Trace/BPT trap
>> This is behavior that didn't exist about a month ago when I could 
>> build and run VTK on 10.1.5 (quite) flawlessly.  It seems to want 
>> some X-Windows values, however, I am building for Cocoa. Has anyone 
>> successfully navigated these straits and has a recipe for successful 
>> building and running (hopefully, using Java wrapping) on 10.2.1.
>> Thanks,
>> Surajit
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