Re: [Visualpython-users] deleting scenes

[Jamie R. <jam...@gm...>]

Sorry, here's the rest...

 for obj in scene.objects:
       obj.visible = false


2009/6/27 Jamie Riotto <jam...@gm...>

> I believe setting scene.visible to false just makes the scene invisible, it
> doesn't delete it,
> unlike objects. If you'd like to reinitialize the scene then just delete
> all visible objects:
>
> for obj in scene.objects:
>


>
>
>
> On Sat, Jun 27, 2009 at 5:29 PM, Guy K. Kloss <g....@ma...>wrote:
>
>> Hi,
>>
>> as some may have noticed, I also run VPython with many things in batch
>> mode.
>> Unfortunately I've just hit a bump doing so. I introduced another layer
>> for
>> batching some computations/visualisations. So I'm wrapping my module and
>> calling it repeatedly with changing parameters in a batch. Unfortunately
>> when
>> I'm doing that for me VPython "misbehaves". I cannot seem to find a way to
>> discard a previous scene to create a new one. Whenever I just do it
>> naively, I
>> get this error:
>>
>> RuntimeError: Cannot change parameters of an active window
>>
>> As the new scene is being initialised with window title, size, ...
>>
>> I've already tried to retrieve the current scene with
>>
>>    my_scene = visual.display.get_selected()
>>
>> And then set its visibility to False:
>>
>>    my_scene.visible = False
>>
>> In this case the program just stalls and needs to be killed from another
>> console. Or I try to delete the scene instance using:
>>
>>    del my_scene
>>
>> or
>>
>>    del visual.scene
>>
>> Which doesn't do anything as apparently visual.scene is a static module
>> variable that cannot be discarded.
>>
>> Any ideas on how to make use of it in a sensible way without having to
>> manually create new processes for each sample just to discard the scene?
>>
>> Guy
>>
>> --
>> Guy K. Kloss
>> Institute of Information and Mathematical Sciences
>> Te Kura Pūtaiao o Mōhiohio me Pāngarau
>> Massey University, Albany (North Shore City, Auckland)
>> 473 State Highway 17, Gate 1, Mailroom, Quad B Building
>> voice: +64 9 414-0800 ext. 9585   fax: +64 9 441-8181
>> G....@ma... http://www.massey.ac.nz/~gkloss
>>
>>
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>
>