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

[Joe H. <hea...@gm...>]

I didn't know it was ever possible to kill a VPython program from =20
inside the program, but I too want to know how!

Joe Heafner
(Sent from my iPhone.)

On Dec 26, 2007, at 19:21, Bruce Sherwood <Bru...@nc...> =20
wrote:

> I thought I remembered that import sys followed by sys.exit() would =20=

> kill
> a VPython program. But when I try this on either Visual 3 or Visual =20=

> 4 it
> doesn't have that effect. Does someone else know how to kiil a VPython
> program from the program?
>
> Bruce Sherwood
>
> Fr=C3=A9d=C3=A9ric Mantegazza wrote:
>> On mercredi 26 d=C3=A9cembre 2007, Bruce Sherwood wrote:
>>
>>
>>> 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 =20
>>> further
>>> examples of the problem of quitting from a tight loop. (But I =20
>>> should say
>>> I only saw a problem with quitting, not any sluggishness.) I've =20
>>> checked
>>> in corrected versions to CVS.
>>>
>>> glinfo: It's not clear to me whether this has ever worked properly =20=

>>> on
>>> Linux. Note the statement in the program, "This test of OpenGL =20
>>> 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 =20
>>> 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 =20=

>>> for
>>> spheres. I'm aware of the issue. As was the case with curve, box =20
>>> needs
>>> work to cut the render speed significantly.
>>>
>>
>> Ok.
>>
>>
>>> texturetest and Tk-Visual: I can't reproduce any problem with these
>>> examples.
>>>
>>
>> Strange... BTW, you didn't tell me how (if it is possible) to quit a
>> vpython app without using the exit button?
>>
>>
>>> I'm delighted that the changes made a big improvement in the =20
>>> performance
>>> of your app.
>>>
>>
>> :o)
>>
>>
>
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