[vtkusers] Re: Picking points from multiple surfaces.

[Donna Hanlon]

Jiye An wrote:
> "The Visualization Toolkit provides four classes to perform actor, point, 
> cell and world point picking. These are the classes vtkPicker, 
> vtkPointPicker, vtkCellPicker and vtkWorldPointPicker. These pickers vary 
> in speed and functionality as described in the following."

Not that it is appropriate for your application, but for others who may 
not be satisfied with the behavior of their current picker, there also 
is a vtkPropPicker class whose behavior we prefer for our applications 
(SureFit and SuMS, http://brainmap.wustl.edu):

	http://www.vtk.org/doc/nightly/html/classvtkPropPicker.html

Donna