Hotfix in creating viewtiles

Rotation contributions of transformation matrix were neglected, they are now properly taken into account.

scenePyramid.py

@@ -592,12 +592,10 @@ class ScenePyramid:
                     # add to v(i, j)
                     tile = self.readViewTile(slice_nr, i, j)
                     size = (tile.shape[self.npWidthIdx], tile.shape[self.npHeightIdx])  # (w, h)
-                    # translation matrix
-                    m = np.float32([
-                        [1, 0, src_tile_pos_x],
-                        [0, 1, cur_src_tile_pos_y]
-                    ])
-                    cv2.warpAffine(current_src_img, m, size, tile, borderMode=cv2.BORDER_TRANSPARENT)
+                    m_rot[0, 2] = src_tile_pos_x
+                    m_rot[1, 2] = cur_src_tile_pos_y
+
+                    cv2.warpAffine(current_src_img, m_rot, size, tile, borderMode=cv2.BORDER_TRANSPARENT)
                     self.saveViewTile(tile, slice_nr, i, j)
                     cur_src_tile_pos_y -= view_tile_height
                 src_tile_pos_x -= view_tile_width