def transform_matrix_cv(self):
if not hasattr(self, '_transform_matrix_cv'):
self._transform_matrix_cv = cv.fromarray(self.transform_matrix)
return self._transform_matrix_cv
def transform_matrix(self, value):
assert(value.shape == (3, 3))
self._transform_matrix = value.copy()
self._transform_matrix_cv = cv.fromarray(self._transform_matrix)
