<html><head></head><body><div style="font-family:times new roman, new york, times, serif;font-size:medium;"><div>Hello All,</div><div><br></div><div>I want to find out whether a vtkActor is moved from its initial position. I want to compare vtkActor.GetMatrix() with its initial value, but I don't see vtkMatrix comparison API, like overloaded == or equivalent methods. Please suggest.</div><div><br></div><div>Thank you</div><div>Rao Ruvva</div></div></body></html>