[vtkusers] offset problem

[gawain_dev at sina.com]

Hi all,

    Is there any easy way to offset an isosurface using vtk?

    I tried vtkImplicitModeller+vtkContourFilter, but it isn't what I want. I need the result surface be a one-side offset surface without thickness. For example, another plane should be obtained after a plane is offset, while vtkImplicitModeller+vtkContourFilter gives a box containing the original plane.

    Thanks,

    Gawain
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