[vtkusers] Cutting with a PolyLine

[David.Pont at ensisjv.com]

Bruno da Silva de Oliveira <bruno at esss.com.br> wrote on 20/01/2006
09:20:55:

Hi Bruno,
  take a look at vtkImplicitSelectionLoop
  regards
    Dave P

> Hi there,
>
> I would like to know how to cut a vtkDataSet using a polyline. I have
> tried vtkImplicitDataSet for that, using a vtkPolyData containing only
> one polyline and with its point scalars set to 1.0, while setting the
> OutValue of vtkImplicitDataSet to 0.0, in the hope that vtkCutter with a
> cut value of 1.0 would cut exactly in the polyline. It didn't work, no
> polyline was generated by vtkCutter. Studying its algorithm I understood
> why: vtkCutter loops over all the points of the input dataset,
> evaluating the function's value for that point and then contouring the
> resulting dataset with each cut value.
>
> My question is: is there any other way to cut a dataset with a polyline
> without implementing my own polyline function, or is there another way?
>
> Best Regards,
>
> --
> Bruno da Silva de Oliveira
> bruno at esss.com.br
> ESSS - Engineering Simulation and Scientific Software
> http://www.esss.com.br
>
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