[Insight-users] PointSetToImage Registration question

[Dirk Hollstein]

Hello List,

we want to register arbitrary point data acquired from a microscribe  
digitizer with data from an stl-file (stereo-lithography). We collect  
the data by sampling surface points on the real world object. The stl- 
file describes our real world object (a cuboid). We did look at the  
examples for PointSetToImageRegistrationTest_1 and  
ModelToImageRegistration2, which we hope are appropriate for the kind  
of registration we want to do.

Still we have several problems we could not solve ourselves and  
kindly ask your support for:

- How can we extract the necessary PointSet data from the stl-file  
for registration (assuming PointSet is the way to go)? Currently we  
read the stl-file with VTK.

- How can we get this data into ITK for registration?

- Do we have to process the stl file before we are able to register  
it, e.g. by applying a certain filter to it?

- Is there a way to read an STL-file directly into ITK?

Thanks a lot in advance,

Many regards,
Dirk