[vtkusers] vtkImageReader Question

[Charles Law]

Eric,

If your 4 Pipelines are asking for different extents from the reader, it 
will execute 4 times.  To avoid this add "reader->Update()" before the 
pipelines execute.

Charles.



At 10:53 AM 6/15/00 -0400, Erik Sobel wrote:
>I have an application with one vtkImageReader (with ReleaseDataFlagOff) 
>and 4 pipelines that use its output.  When the application starts up the 
>reader's StartMethod is called 4 times. Why is the data being read more 
>than once?  Are there other flags I am supposed to be setting?
>
>Thanks,
>Erik
>
>
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