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See #4915. Experimental code for polyhedron without holes

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This commit is contained in:
Dion Moult
2024-10-01 19:10:38 +10:00
parent 665afc0375
commit 53765222d6
1 changed files with 29 additions and 11 deletions
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src/bonsai/bonsai/tool/loader.py
+29 -11
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@@ -639,6 +639,7 @@ class Loader(bonsai.core.tool.Loader):
settings.set("apply-default-materials", False)
settings.set("keep-bounding-boxes", True)
settings.set("layerset-first", True)
# settings.set("triangulation-type", ifcopenshell.ifcopenshell_wrapper.POLYHEDRON_WITHOUT_HOLES)
if is_gross:
settings.set("disable-opening-subtractions", True)
results.append(settings)
@@ -907,11 +908,6 @@ class Loader(bonsai.core.tool.Loader):
verts = geometry.verts
if geometry.faces:
num_vertices = len(verts) // 3
total_faces = len(geometry.faces)
loop_start = range(0, total_faces, 3)
num_loops = total_faces // 3
loop_total = [3] * num_loops
num_vertex_indices = len(geometry.faces)
# See bug 3546
# ios_edges holds true edges that aren't triangulated.
@@ -922,12 +918,34 @@ class Loader(bonsai.core.tool.Loader):
mesh.vertices.add(num_vertices)
mesh.vertices.foreach_set("co", verts)
mesh.loops.add(num_vertex_indices)
mesh.loops.foreach_set("vertex_index", geometry.faces)
mesh.polygons.add(num_loops)
mesh.polygons.foreach_set("loop_start", loop_start)
mesh.polygons.foreach_set("loop_total", loop_total)
mesh.polygons.foreach_set("use_smooth", [0] * total_faces)
is_triangulated = True
if is_triangulated:
total_faces = len(geometry.faces)
num_vertex_indices = len(geometry.faces)
loop_start = range(0, total_faces, 3)
num_loops = total_faces // 3
loop_total = [3] * num_loops
mesh.loops.add(num_vertex_indices)
mesh.loops.foreach_set("vertex_index", geometry.faces)
mesh.polygons.add(num_loops)
mesh.polygons.foreach_set("loop_start", loop_start)
mesh.polygons.foreach_set("loop_total", loop_total)
mesh.polygons.foreach_set("use_smooth", [0] * total_faces)
else:
faces_array = np.array(geometry.faces, dtype=object)
loop_total = tuple(len(face) for face in faces_array)
loop_start = np.cumsum((0,) + loop_total)[:-1]
vertex_index = np.concatenate(faces_array)
mesh.loops.add(len(vertex_index))
mesh.loops.foreach_set("vertex_index", vertex_index)
mesh.polygons.add(len(loop_start))
mesh.polygons.foreach_set("loop_start", loop_start)
mesh.polygons.foreach_set("loop_total", loop_total)
mesh.polygons.foreach_set("use_smooth", [0] * len(geometry.faces))
mesh.update()
rep_str: str = geometry.id