[Insight-developers] Having mysterious problem with ObjectFactories -- HELP!!

[Williams, Norman K]

I'm trying to add a new transform file reader/writer in
ITK/Modules/Transform.


Aside from the challenge of writing the class itself, I'm having trouble
with the ObjectFactories.

In ITK/Modules/Transform/itkTransformIOFactory.cxx, I register an instance
of a new factory and all of a sudden the ObjectFactory can no longer
create any of the registered transform classes.

When I try to debug the problem I run into mysterious problems with the
ObjectFactory not being able to create instances of any transform type,
even though I can see them getting registered in
ITK/Modules/Transform/src/itkTransformFactoryBase.cxx.

What is the trick here? How does registering one additional factory screw
up everything?



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