[vtkusers] vtkSource::ComputeEstimatedPipelineMemorySize

Naveen Kumar Polapally naveenpkumar at hotmail.com
Fri Mar 23 16:00:04 EST 2001


I did not get a reply to my previous mail ,so i am sending one more.
I have the following stages in the Iso-surfacing pipeline.


I want to get the size of the data after each stage.but only stages
1 and 2 have ComputeEstimatedOutputMemorySize().But I get proper result only 
in case of vtkVolume16Reader.vtkMarchingCubes gives me zero for the result.I 
think this is because this method was not over written in the class 

I also want to know if there is a way to find out the amount of data after 
each of the other stages.If any one has faced a similar problem,
please reply.


>From: "Naveen Kumar Polapally" <naveenpkumar at hotmail.com>
>To: vtkusers at public.kitware.com
>Subject: [vtkusers] vtkSource::ComputeEstimatedPipelineMemorySize
>Date: Thu, 22 Mar 2001 22:56:27
>I have a problem where i have to estimate the size of the pipeline after
>every stage in the pipeline.When i used imaging pipelines i could use the
>method "ComputeEstimatedPipelineMemorySize".But I am unable to do so in 
>of Isosurfacing, even though vtkMarchingCubes has this method.When i try
>this method with vtkMarchingcubes all I get is Zero for size[0] and
>size[1].But i get the maximum pipeline size
>size[2] encountered so far during this propagation.
>How can i estimate the amount of data after the vtkPolyDataMapper and
>vtkActor , vtkRenderer, vtkRenderWindow ?
>thank you.
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