added tests and fixed some docstrings, also added to lib.py

fury/actor.py

@@ -3978,26 +3978,34 @@ def __init__(self, negx, negy, negz, posx, posy, posz):
         posz : ndarray
             Input 2D RGB or RGBA array. Dtype should be uint8.
 
+             |----|
+             | +Y |
+        |----|----|----|----|
+        | -X | +Z | +X | -Z |
+        |----|----|----|----|
+             | -Y |
+             |----|
+
         """
 
         self.planes = [PlaneSource() for _ in range(6)]
 
         self.plane_centers = [
-            (0, 0.5, 0),
+            (-0.5, 0.5, 0.5),
             (0, 0, 0.5),
-            (0, 1, 0.5),
-            (0, 0.5, 1),
+            (0, 0.5, 0),
             (0.5, 0.5, 0.5),
-            (-0.5, 0.5, 0.5),
+            (0, 1, 0.5),
+            (0, 0.5, 1)
         ]
 
         self.plane_normals = [
-            (0, 0, 1),
-            (0, 1, 0),
+            (1, 0, 0),
             (0, 1, 0),
             (0, 0, 1),
             (1, 0, 0),
-            (1, 0, 0),
+            (0, 1, 0),
+            (0, 0, 1)
         ]
 
         for plane, center, normal in zip(
@@ -4052,7 +4060,7 @@ def __init__(self, negx, negy, negz, posx, posy, posz):
     def get_actor(self):
         """Returns
            -------
-           assembled_actor : Actor
+           assembled_actor : Assembly
 
         """
 

fury/lib.py

@@ -101,6 +101,8 @@
 WindowToImageFilter = rcvtk.vtkWindowToImageFilter
 #: class for InteractorStyle
 InteractorStyle = rcvtk.vtkInteractorStyle
+#: class for PropCollection
+PropCollection = rcvtk.vtkPropCollection
 #: class for PropPicker
 PropPicker = rcvtk.vtkPropPicker
 #: class for PointPicker

fury/tests/test_actors.py

@@ -13,6 +13,7 @@
 from fury.actor import grid
 from fury.decorators import skip_linux, skip_osx, skip_win
 from fury.deprecator import ExpiredDeprecationError
+from fury.lib import Assembly, PropCollection
 
 # Allow import, but disable doctests if we don't have dipy
 from fury.optpkg import optional_package
@@ -1881,3 +1882,53 @@ def test_actors_primitives_count():
         primitives_count = test_case[2]
         act = act_func(**args)
         npt.assert_equal(primitives_count_from_actor(act), primitives_count)
+
+
+def test_texturedcube(interactive=False):
+
+    arr_255 = np.full((720, 1280), 255, dtype=np.uint8)
+    arr_0 = np.full((720, 1280), 0, dtype=np.uint8)
+
+    arr_white = np.full((720, 1280, 3), 255, dtype=np.uint8)
+    arr_red = np.dstack((arr_255, arr_0, arr_0))
+    arr_green = np.dstack((arr_0, arr_255, arr_0))
+    arr_blue = np.dstack((arr_0, arr_0, arr_255))
+    arr_yellow = np.dstack((arr_255, arr_255, arr_0))
+    arr_aqua = np.dstack((arr_0, arr_255, arr_255))
+
+    cube = actor.TexturedCube(arr_white,
+                              arr_red,
+                              arr_green,
+                              arr_blue,
+                              arr_yellow,
+                              arr_aqua)
+
+    cube_actor = cube.get_actor()
+
+    # testing whether the returned is an Assembled Actor Object
+    assert type(cube_actor) is type(Assembly())
+
+    # testing whether there are 6 different planes
+    plane_actors = PropCollection()
+    cube_actor.GetActors(plane_actors)
+
+    assert plane_actors.GetNumberOfItems() == 6
+
+    # testing whether the texture is getting updated
+    def timer_callback(_caller, _timer_event):
+        rgb_images = [arr_aqua,
+                      arr_yellow,
+                      arr_blue,
+                      arr_green,
+                      arr_red,
+                      arr_white]
+        cube.texture_update(show_manager, *rgb_images)
+
+        assert cube.image_grids == rgb_images
+        show_manager.exit()
+
+    scene = window.Scene()
+    scene.add(cube_actor)
+    show_manager = window.ShowManager(scene, reset_camera=False)
+    show_manager.add_timer_callback(True, int(1/60), timer_callback)
+    show_manager.start()