[vtkusers] Intersecting a line with vtkImageData/vtkStructuredGrid cells
piccima at gmail.com
Mon Dec 30 13:36:55 EST 2013
I'm using in a vtkPolyData after TriangleFilter and I can get the list
of all CellIds intersected from my rays.
I think it should work on vtkStructuredGrid too, but I'm not sure on
On 12/30/2013 12:52 PM, David Doria wrote:
> I have a finite line and I want to know all of the cells in either a
> vtkImageData or a vtkStructuredGrid that the line passes through.
> What I'm looking for is exactly
> vtkCellLocator::IntersectWithLine ( double , double , vtkPoints
> *, vtkIdList * cellIds)
> but when I try it I get an error:
> "The locator class - vtkCellLocator does not yet support this
> IntersectWithLine interface"
> Does anyone know if there is a VTK-way (other than doing a line-box
> intersection test on every cell) to determine which cells are intersected?
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