[vtk-developers] InputScalarsSelection in vtkThreshold but not vtkThresholdPoints?

[Berk Geveci]

That is not the reason. The SelectInputScalars API is not one we have
been happy with and we would like to replace it. Because of this, we
do not add it to more filters. We also removed those methods before
releasing VTK 4.4. Currently, the best way of doing this is to use the
vtkAssignAttributes filter. I don't know if anyone is working on a
more elegant solution at the moment. I think the solution will involve
setting information values on the input ports.


On Fri, 4 Feb 2005 08:00:21 -0700, Wilson, Andrew T <atwilso at sandia.gov> wrote:
> I'm using vtkThresholdPoints to extract a set of vertices for which a
> certain flag has been set.  I'm doing some minor gymnastics because the
> array containing the flags is not the scalars.  In vtkThreshold I can
> get around this by using the InputScalarsSelection ivar.  That seems to
> be missing from vtkThresholdPoints.  Is there a reason for this?
> 
> I'm happy to add it if the reason is "noone's written it yet".
> 
> -- Andy
> 
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