<div>Hi, Dear vtk guys,</div>
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<div>I met some difficulties on selecting voxels inside a user defined implicit function.</div>
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<div>I have studied vtkExtractGeometry, but its output is unstructured grid.</div>
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<div>I also studied vtkSelection which seems not to support vtkImplicitFunction.</div>
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<div>Are there any possible methods to do it in the framework of vtk, </div>
<div>or do I need to do it by myself.</div>
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<div>Cheers</div>