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Co-authored-by: Filippo Luca Ferretti <[email protected]>

tests/test_meshes.py

@@ -4,54 +4,58 @@
 
 
 def test_mesh_wrapping_vertex_extraction():
-    """Test the vertex extraction method on different meshes.
+    """
+    Test the vertex extraction method on different meshes.
     1. A simple box
     2. A sphere
     """
 
-    # Test 1: A simple box
-    # First, create a box with origin at (0,0,0) and extents (3,3,3) -> points span from -1.5 to 1.5 on axis
+    # Test 1: A simple box.
+    #     First, create a box with origin at (0,0,0) and extents (3,3,3),
+    #     i.e. points span from -1.5 to 1.5 on the axis.
     mesh = trimesh.creation.box(
         extents=[3.0, 3.0, 3.0],
     )
     points = meshes.extract_points_vertices(mesh=mesh)
     assert len(points) == len(mesh.vertices)
 
-    # Test 2: A sphere
-    # The sphere is centered at the origin and has a radius of 1.0
+    # Test 2: A sphere.
+    #     The sphere is centered at the origin and has a radius of 1.0.
     mesh = trimesh.creation.icosphere(subdivisions=4, radius=1.0)
     points = meshes.extract_points_vertices(mesh=mesh)
     assert len(points) == len(mesh.vertices)
 
 
 def test_mesh_wrapping_aap():
-    """Test the AAP wrapping method on different meshes.
+    """
+    Test the AAP wrapping method on different meshes.
     1. A simple box
         1.1: Remove all points above x=0.0
         1.2: Remove all points below y=0.0
     2. A sphere
     """
 
-    # Test 1.1: Remove all points above x=0.0
-    # The expected result is that the number of points is halved
-    # First, create a box with origin at (0,0,0) and extents (3,3,3) -> points span from -1.5 to 1.5 on axis
-    mesh = trimesh.creation.box(
-        extents=[3.0, 3.0, 3.0],
-    )
+    # Test 1.1: Remove all points above x=0.0.
+    #     The expected result is that the number of points is halved.
+    #     First, create a box with origin at (0,0,0) and extents (3,3,3), 
+    #     i.e. points span from -1.5 to 1.5 on the axis.
+    mesh = trimesh.creation.box(extents=[3.0, 3.0, 3.0])
     points = meshes.extract_points_aap(mesh=mesh, axis="x", lower=0.0)
     assert len(points) == len(mesh.vertices) // 2
     assert all(points[:, 0] > 0.0)
 
-    # Test 1.2: Remove all points below y=0.0
-    # Again, the expected result is that the number of points is halved
+    # Test 1.2: Remove all points below y=0.0.
+    #     The expected result is that the number of points is halved.
     points = meshes.extract_points_aap(mesh=mesh, axis="y", upper=0.0)
     assert len(points) == len(mesh.vertices) // 2
     assert all(points[:, 1] < 0.0)
 
-    # Test 2: A sphere
-    # The sphere is centered at the origin and has a radius of 1.0. Points are expected to be halved
+    # Test 2: A sphere.
+    #     The sphere is centered at the origin and has a radius of 1.0. 
+    #     Points are expected to be halved.
     mesh = trimesh.creation.icosphere(subdivisions=4, radius=1.0)
-    # Remove all points above y=0.0
+
+    # Remove all points above y=0.0.
     points = meshes.extract_points_aap(mesh=mesh, axis="y", lower=0.0)
     assert all(points[:, 1] >= 0.0)
     assert len(points) < len(mesh.vertices)
@@ -66,28 +70,29 @@ def test_mesh_wrapping_points_over_axis():
     2. A sphere
     """
 
-    # Test 1.1: Remove 10 points from the lower end of the x-axis
-    # First, create a box with origin at (0,0,0) and extents (3,3,3) -> points span from -1.5 to 1.5 on axis
+    # Test 1.1: Remove 10 points from the lower end of the x-axis.
+    #     First, create a box with origin at (0,0,0) and extents (3,3,3),
+    #     i.e. points span from -1.5 to 1.5 on the axis.
     mesh = trimesh.creation.box(extents=[3.0, 3.0, 3.0])
     points = meshes.extract_points_select_points_over_axis(
         mesh=mesh, axis="x", direction="lower", n=4
     )
     assert len(points) == 4
     assert all(points[:, 0] < 0.0)
 
-    # Test 1.2: Select 10 points from the higher end of the y-axis
+    # Test 1.2: Select 10 points from the higher end of the y-axis.
     points = meshes.extract_points_select_points_over_axis(
         mesh=mesh, axis="y", direction="higher", n=4
     )
     assert len(points) == 4
     assert all(points[:, 1] > 0.0)
 
-    # Test 2: A sphere
-    # The sphere is centered at the origin and has a radius of 1.0
+    # Test 2: A sphere.
+    #     The sphere is centered at the origin and has a radius of 1.0.
     mesh = trimesh.creation.icosphere(subdivisions=4, radius=1.0)
     sphere_n_vertices = len(mesh.vertices)
 
-    # Select 10 points from the higher end of the z-axis
+    # Select 10 points from the higher end of the z-axis.
     points = meshes.extract_points_select_points_over_axis(
         mesh=mesh, axis="z", direction="higher", n=sphere_n_vertices // 2
     )