[Insight-developers] Landmark Points: Algorithms Call: 02/16/01

[Stephen R. Aylward]

Hi, four issues were discussed at today's Algorithms Call.   Each will
be presented in a different email to help thread discussion.

We'd like to get everyone's comments on them.

1) class itkLandmarkPoint : public itkPoint
	private:
		itkIndex x
		bool validPhysicalPoint
		bool validIndex
		itkTransform *itkTransformPhysicalPointToIndex
		itkTransform *itkTransformIndexToPhysicalPoint
	public:
		(), ~
		Get/SetPhysicalPoint
		Get/SetIndex
		Get/SetTransformPhysicalPointToIndex
		Get/SetTransformIndexToPhysicalPoint

The idea is that landmark points will exist in both physical and image
space.   Landmark-based registration methods will optimize based-on the
position of points in physical (real-world) coordinates - hence the
class is derived from itkPoint.

For example, George will use this class in a link list, others will use
this class in the specification of a mesh of LandmarkPoints...


-- 
===============================================
Stephen R. Aylward
Assistant Professor of Radiology
Adjunct Assistant Professor of Computer Science
http://www.cs.unc.edu/~aylward
aylward@unc.edu
(919) 966-9695