[vtkusers] Hide/show viewports

Alex Malyushytskyy alexmalvtk at gmail.com
Fri Dec 28 14:49:00 EST 2012


Explain why removing/adding renderer does not work for you.

Alex

On Wed, Dec 26, 2012 at 12:48 AM, a.c.sant <acsantome at gmail.com> wrote:
> Hi,
>
> currently we're working with the PCL library and we have to display several
> point clouds (right now we're displaying each cloud in its own viewport).
> However, displaying all clouds at the same time is not always needed.
> Therefore, I'm trying to achieve something like "first visualize one cloud.
> When (for example) clicking a button, the next cloud is shown and the
> previous one is hidden" (PCL doesn't have anything like this).
> I wanted to know your opinions about this matter before spending too much
> time in the docs and doing tests. I'm afraid this might not be possible/a
> good idea.
>
> Cheers!
>
>
> Joachim Pouderoux wrote
>> Hi,
>>
>> The viewport defines the rectangle in the rendering window where the
>> visualization is actually rendered.
>> Are you sure this is what you want to change or isn't it the camera
>> settings (point of view, orientation,...)? The viewport is generally
>> fixed once for all and there is only one viewport per renderer. If you
>> really want to define multiple viewport in the same window you will
>> need to create the same number of renderers.
>> If you want to provide the user multiple viewpoints of the same scene
>> but once at a time, just switch cameras.
>>
>> Regards,
>>
>> Joachim
>>
>> Le 21 déc. 2012 à 17:39, "a.c.sant" &lt;
>
>> acsantome@
>
>> &gt; a écrit :
>>
>>> Hi!
>>> I'm trying to set multiple viewports in a window and having the user
>>> choose
>>> which viewport view at each moment. For example, starting with viewport
>>> #1,
>>> if the user clicks a button, hide #1 and show #2.
>>>
>>> Currently, I'm playing with Renderer::SetViewport and
>>> Renderer::GetViewport
>>> but still can't make this work.
>>>
>>> Maybe it's not possible? I would like to hear your opinions.
>>>
>>> Cheers!
>>>
>>>
>>>
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>
>
>
>
>
> --
> View this message in context: http://vtk.1045678.n5.nabble.com/Hide-show-viewports-tp5717695p5717726.html
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> _______________________________________________
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>
> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>
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