Glassvision/IfcOpenShell
1
0
Fork 0
mirror of https://github.com/IfcOpenShell/IfcOpenShell.git synced 2026-09-16 13:46:54 +00:00
Code Issues Packages Projects Releases Wiki Activity

See #4241. Only use shapely to repolygonise if IfcOpenShell returns unclosed paths. Hollow cuts typically are closed paths.

Browse Source
This commit is contained in:
Dion Moult
2024-01-23 16:06:54 +11:00
parent 5030023b1b
commit 1ee2913dd1
1 changed files with 9 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/blenderbim/blenderbim/bim/module/drawing/operator.py
+9 -5
View File
@@ -966,17 +966,21 @@ class CreateDrawing(bpy.types.Operator):
# alone (e.g. dangles, cuts, invalids). See #3421. # alone (e.g. dangles, cuts, invalids). See #3421.
line_strings = [] line_strings = []
old_paths = [] old_paths = []
has_open_paths = False
for path in el.findall("{http://www.w3.org/2000/svg}path"): for path in el.findall("{http://www.w3.org/2000/svg}path"):
for subpath in path.attrib["d"].split("M")[1:]: for subpath in path.attrib["d"].split("M")[1:]:
subpath = "M" + subpath.strip() subpath = "M" + subpath.strip()
coords = [[round(float(o), 1) for o in co[1:].split(",")] for co in subpath.split()] coords = [[round(float(o), 1) for o in co[1:].split(",")] for co in subpath.split()]
if coords[0] != coords[-1]:
has_open_paths = True
line_strings.append(shapely.LineString(coords)) line_strings.append(shapely.LineString(coords))
old_paths.append(path) old_paths.append(path)
unioned_line_strings = shapely.union_all(shapely.GeometryCollection(line_strings))
if hasattr(unioned_line_strings, "geoms"): results = []
results = shapely.polygonize_full(unioned_line_strings.geoms) if has_open_paths:
else: unioned_line_strings = shapely.union_all(shapely.GeometryCollection(line_strings))
results = [] if hasattr(unioned_line_strings, "geoms"):
results = shapely.polygonize_full(unioned_line_strings.geoms)
# If we succeeded in generating new path geometry, remove all the # If we succeeded in generating new path geometry, remove all the
# old paths and add new ones. # old paths and add new ones.