Re: [Visualpython-users] vpython and wxpython integration

[Stef M. <s.m...@ru...>]

hi Che ?

CL wrote:
> Hi Shef
>
> Since I only have one PC, I am not sure if my sample programs working
> well or not on other hardware. Are you able to run my sample programs
> on your side (or it also crashes) ? Anyone else can report the result
> if you have tried it ?
>   
aha, so you didn't try hard enough ;-)
> About the crashes, can you show a bit more about the python code to do
> SetWindowPos / MoveWindow ? Technically speaking, I can see no reason
> why using these API will cause a crash in general.
>
>   
Looks something like VPython 5 is using absolute mouse coordinates instead
of translating them to the position in the parent.
> I tried SetWindowPos but it looks like it has no effect after the
> scene window is created, so I change it to MoveWindow. It works very
> well on my PC.
>   
Now try this:
- start the program
- move the window more to the top of your screen
- click and drag, from a bottom position in the VPython window, downwards
in such a way that you virtual (you can't see the cursor) will leave the 
window,
and I expect you get the following error:
VPython ***CRITICAL ERROR***: ..\src\core\display_kernel.cpp:535: 
cvisual::display_kernel::world_to_view_transform: VPython degenerate 
projection: 1.#INF 1.#INF 0.57735 0.494872

cheers,
Stef



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