Re: [PyOpenGL-Users] bus error on gluNewQuadric()

[altern <en...@al...>]

hi

well ... now its working.
the only thing i changed is that i was actually creating the q = 
gluNewQuadric() as a to reuse it so that i dont do it everytime i create 
a circle. Now i put it into the drawing function and there is no 
problem. I guess osx didnt like to reuse the object and needs to create 
one new every time.

so before i was doing something like this

quad = gluNewQuadric()

def drawCircle(inner, radius):
           global quad
           gluDisk(quad, inner, radius, 80, 1)

and now i am doing something like this

def drawCircle(inner, radius):
           quad = gluNewQuadric()
           gluDisk(quad, inner, radius, 80, 1)


thanks!



Tom Dossis wrote:
>>>> i am working on the OS X port of a program and I get a "bus error" 
>>>> caused by this opengl code (it didnt happen on Windows)
>>>> q = gluNewQuadric()
>>>>
>>> I have run into this same problem without PyOpenGL involved at all.  
>>> A Google search turned up this post:
>>>
>>> http://lists.apple.com/archives/darwin-development/2003/May/msg00158.html 
>>>
>>>
>>> By swapping the order of -lGL and -lGLU when linking, I was able to 
>>> fix the problem I had.
>>
>>
>> do you mean that on the imports i should swap the order of these 
>> instructions?
>>
>> from OpenGL.GL import *
>> from OpenGL.GLU import *
>>
>> I tried this and i get the same error. maybe i dont understand what 
>> you mean?
> 
> 
> Changing the python code won't make any difference.
> The link instruction above relates to building the pyopengl package.
> 
> It may be worthwhile to try the pyopengl Demo/NeHe/lesson18.py 
> referenced at the end of the page:
> http://pyopengl.sourceforge.net/documentation/manual/gluNewQuadric.3G.xml
> 
> At least this will remove wxpython from the equation.
> 
> Good luck.
> 
> 
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enrike