[Paraview-developers] Image reduction factor

[Utkarsh Ayachit]

If I remember correctly, the only thing that changes when subsample
rate is specified is the viewport on the renderer.

On Wed, Apr 4, 2012 at 11:46 AM, Biddiscombe, John A. <biddisco at cscs.ch> wrote:
> Utkarsh.
>
> 'Fraid not. This still only returns the same size as the renderwindow, setting the interactive subsample rate to N doesn't make the size smaller.
>
> I'll keep trying. thanks anyway.
>
> JB
>
> -----Original Message-----
> From: Utkarsh Ayachit [mailto:utkarsh.ayachit at kitware.com]
> Sent: 04 April 2012 17:25
> To: Biddiscombe, John A.
> Cc: paraview-developers at paraview.org
> Subject: Re: [Paraview-developers] Image reduction factor
>
> Look at  vtkSurfaceLICPainter (Perhaps PrepareForRendering() ). I believe you may be missing using the GetTiledSizeAndOrigin(). I cannot remember the details off the top of my head, but that should give you a starting point.
>
> Utkarsh
>
> On Tue, Apr 3, 2012 at 7:03 PM, Biddiscombe, John A. <biddisco at cscs.ch> wrote:
>> I've got a custom mapper which does its own compositing and works
>> fine, except during interactive renders in parallel.
>>
>>
>>
>> During interaction, the subsample rate>1 and the viewport coordinate
>> transform I'm using is wrong.
>>
>>
>>
>> Problem is, from the mapper, I just don't know how to get the
>> subsample rate. I've tried to get hold of the composite render
>> manager, but failed so far.
>>
>>
>>
>> If anyone knows, please tell.
>>
>>
>>
>> Thanks
>>
>>
>>
>> JB
>>
>>
>>
>>
>>
>> --
>>
>> John Biddiscombe,                        email:biddisco @.at.@ cscs.ch
>>
>> http://www.cscs.ch/
>>
>> CSCS, Swiss National Supercomputing Centre  | Tel:  +41 (91) 610.82.07
>>
>> Via Trevano 131, 6900 Lugano, Switzerland   | Fax:  +41 (91) 610.82.82
>>
>>
>>
>>
>>
>>
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