[vtkusers] Can't use vtkStructuredGridToPolyDataFilter.Why?

[Amy Squillacote]

Hi Peace,

vtkStructuredGridToPolyDataFilter is an abstract 
class; you cannot instantiate it.  The class 
you're looking for is probably 
vtkStructuredGridGeometryFilter (a subclass of 
either vtkStructuredGridToPolyDataFilter or 
vtkPolyDataAlgorithm, depending on which version of VTK you're using).

- Amy

At 01:54 AM 4/26/2006, hp.shen wrote:
>Hi, all
>
>I want to use vtkStructuredGridToPolyDataFilter 
>to convert structuredgrid data to PolyData in tcl.
>Where it doesn’t work. The error says:
>“invalid command name “vtkStructuredGridToPolyDataFilter”
”
>So may I missed some package , but I don’t know which one.
>Could you help me.
>
>Thanks
>Peace
>
>===========codes:
>

>vtkStructuredGrid sgrid
>   sgrid SetDimensions $M $N 1
>   sgrid SetPoints points
>   [sgrid GetPointData] SetScalars faceColors
>
>vtkStructuredGridToPolyDataFilter s2p
>     s2p SetInput sgrid
>

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