[vtkusers] Merging two Unstructured Grids / Surfaces

[Eric E. Monson]

Yes, for this the scalars could be all ones as Point Data within any type of vtkDataSet. As far as I understand, there just have to be _some_ scalars associated with the data because to evaluate the implicit function the algorithm needs to do interpolation within the cells. I just used elevation because it was quick and easy to hook up.

-Eric

> 
> Here it is in c++:
> http://www.vtk.org/Wiki/VTK/Examples/ImplicitDataSet
> 
> The higher the resolution of your model, the less these artifacts are noticeable. 
> 
> Eric - can you explain in a bit more detail what the scalars from the elevation filter do? For example, could we just use all 1's in an array in PointData?
> 
> Thanks,
> 
> David

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