Re: [Visualpython-users] Switch from vpython 3 to vpython 4

[Bruce S. <Bru...@nc...>]

Thanks for the detailed report.

crossproduct and planar: These had the same problem as some other 
examples -- the workaround is simply to add rate(100) immediately 
following the while statement. I simply failed to catch these further 
examples of the problem of quitting from a tight loop. (But I should say 
I only saw a problem with quitting, not any sluggishness.) I've checked 
in corrected versions to CVS.

glinfo: It's not clear to me whether this has ever worked properly on 
Linux. Note the statement in the program, "This test of OpenGL options 
is useful mainly on Windows."

randombox: I believe the poor performance is due to incomplete 
implementation of improved handling of lighting of boxes. There needs to 
be variable level of detail in splitting a side into a number of 
triangles, dependent on how far away the box is, as is in the case for 
spheres. I'm aware of the issue. As was the case with curve, box needs 
work to cut the render speed significantly.

texturetest and Tk-Visual: I can't reproduce any problem with these 
examples.

I'm delighted that the changes made a big improvement in the performance 
of your app.

Bruce Sherwood

Frédéric Mantegazza wrote:
> On dimanche 23 décembre 2007, Frédéric Mantegazza wrote:
>
> Ok, I tested the new beta:
>
>   
>> - controlstest.py: closing the main window using the window x box only
>>                    closes the 3D view, and freezes the main view.
>>     
>
> Fixed.
>
>   
>> - crossproduct.py: 100% CPU usage. very Slow.
>>     
>
> No change.
>
>   
>> - glinfo.py: freezes after printing the infos
>>     
>
> No change.
>
>   
>> - planar.py: CPU 100% usage
>>     
>
> No change.
>
>   
>> - randombox.py: 80% CPU usage
>>     
>
> 50% only.
>
>   
>> - texturetest.py: freeze if closed using the window x box
>>     
>
> No change.
>
>   
>> - tictac.py: 100% CPU usage
>>     
>
> Fixed.
>
>   
>> - Tk-Visual.py: freezes if 3D view closed using the window x box
>>     
>
> No change.
>
>   
>> - toroid_drag.py: 100% CPU usage
>>     
>
> Fixed.
>
>   
>> 3) my app is much more slower (drag/move), and I'hve now 60-70% CPU
>> usage (vs 10-15% with vpython 3). It also freezes if I close the 3D view
>> using the window x box.
>>     
>
> My 3D view is now as quick as with previous versions!
>
> Great job :o)
>
>