FIX: Invert affine for converting to the world space system

Victor Hugo Souza
1 parent 50563675
Showing 1 changed file with 1 additions and 1 deletions Show diff stats
invesalius/data/imagedata_utils.py
@@ -630,7 +630,7 @@ def convert_invesalius_to_world(position, orientation):
         orientation=orientation,
         axes='sxyz',
     )
-    M_world = slice.affine @ M_invesalius
+    M_world = np.linalg.inv(slice.affine) @ M_invesalius
     position_world, orientation_world = dco.transformation_matrix_to_coordinates(
         M_world,
	@@ -630,7 +630,7 @@ def convert_invesalius_to_world(position, orientation):		@@ -630,7 +630,7 @@ def convert_invesalius_to_world(position, orientation):
630	orientation=orientation,	630	orientation=orientation,
631	axes='sxyz',	631	axes='sxyz',
632	)	632	)
633	- M_world = slice.affine @ M_invesalius	633	+ M_world = np.linalg.inv(slice.affine) @ M_invesalius
634		634
635	position_world, orientation_world = dco.transformation_matrix_to_coordinates(	635	position_world, orientation_world = dco.transformation_matrix_to_coordinates(
636	M_world,	636	M_world,