[vtkusers] MarchingCubes on polydata with vtkjs

marf marvin.huber at basf.com
Wed Jul 25 08:34:44 EDT 2018

Hello guys, I have some polydata and want to extract its surface. I stumble
upon vtkImageMarchingCubes, which seemed to be exactly what I need. Only it
is not able to handle polydata. I tried using it like this:

*const cubes = vtk.Filters.General.vtkImageMarchingCubes.newInstance();

But using it like this throws an error

*ERROR TypeError: o.getOrigin is not a function*

Where, as I figured out, o is my polydata, which indeed does not have a
getOrigin method. From looking at ImageMarchingCube's code, I also figured
out it would then need a getSpacing() and getDimensions() method.
So my question is, what kind of data do I feed to ImageMarchingCubes or is
there any way to get it to work with polydata?
Greetings, Marvin

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