[vtkusers] GetMeanDistance

[Massinissa Bandou]

Hello everyone!

I'm trying to read the mean distance on every iteration in
vtkIterativeClosestPointTransform 
which event is supposed to do this because I've tried with AnyEvent and I
got the first & the last value?? 

icp->AddObserver(vtkCommand::AnyEvent,this,&TomoRegistration::ICPCallback);

void TomoRegistration::ICPCallback(vtkObject* caller,long unsigned int
eventId,void* callData)
{
	vtkIterativeClosestPointTransform* progress =
static_cast<vtkIterativeClosestPointTransform*>(caller);
	cout<<progress->GetMeanDistance()<<endl;
}




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