Merge branch '231-add-get-opacity'

SciKit-Surgery · Dec 21, 2024 · 62ae618 · 62ae618
2 parents 6fbe278 + aa51ec4
commit 62ae618
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diff --git a/sksurgeryvtk/models/vtk_base_actor.py b/sksurgeryvtk/models/vtk_base_actor.py
@@ -78,6 +78,12 @@ def set_opacity(self, opacity):
 
         self.actor.GetProperty().SetOpacity(opacity)
 
+    def get_opacity(self):
+        """
+        Returns float [0-1].
+        """
+        return self.actor.GetProperty().GetOpacity()
+
     def set_visibility(self, visibility):
         """
         Sets the visibility.

diff --git a/tests/widgets/test_vtk_overlay_window_5_layers.py b/tests/widgets/test_vtk_overlay_window_5_layers.py
@@ -123,6 +123,11 @@ def test_overlay_window_video_2(setup_vtk_overlay_window_video_only_layer_2):
     vtk_overlay.show()
     vtk_overlay.Render()
 
+    liver.set_opacity(0.4)
+    assert liver.get_opacity() == 0.4
+    liver.set_opacity(0.2)
+    assert liver.get_opacity() == 0.2
+
     bg_ren = vtk_overlay.get_background_renderer(layer=2)
     assert bg_ren == vtk_overlay.layer_2_renderer