[vtkusers] Getting an x,y,z point from a vtkDataSet

[Charl P. Botha]

On Fri, Jul 18, 2003 at 08:43:30AM +0200, Nico Vermaas wrote:
> I have vtkImageData and I try to get the value of a point that I picked. I have the X,Y,Z, but how do I get the value of that point?
> Is there something like vtkImageData->GetScalar(x,y,z)?

There are many ways to get to his data.  One particularly easy (but not the
fastest) way is to use GetScalarComponentAsFloat().  Please check the
documentation for vtkImageData.

-- 
charl p. botha http://cpbotha.net/ http://visualisation.tudelft.nl/