[vtkusers] vtk FillHolesFilter

[AIs]

Hi All,
I have an image with only edges, which I converted into vtk PolyData using
this example; to generate a contour

http://www.vtk.org/Wiki/VTK/Examples/Cxx/ImageData/ImageDataGeometryFilter

I have stack of such edges which I append to get a polydata object with a
hole.
I would then like to fill this hole using vtkFillHolesFilter, but for some
reason I do not get any output just a blank screen. Also I do not get any
error.
I understand that vtkFillHoles filter will work only on a polydata, but why
am I unable to get any output.
On previously using this VTK function I never faced any problem.
If anyone can please guide me on this.
Cheers
Isshaa



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