Glassvision/IfcOpenShell
1
0
Fork 0
mirror of https://github.com/IfcOpenShell/IfcOpenShell.git synced 2026-08-30 16:43:00 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add vertical bounding plane detection for space generation

Browse Source 
Implement get_vertical_bounding_planes using ray-casting from the RL
cut elevation with nearest-hit and coplanar grouping.

Generated with the assistance of an AI coding tool.
This commit is contained in:
CyrilWaechter
2026-08-03 10:55:54 +02:00
parent 1949adda44
commit 881fb10fe6
2 changed files with 137 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ifcopenshell-python/test/util/test_space.py
+37
View File
@@ -22,6 +22,7 @@ import ifcopenshell.geom
import ifcopenshell.guid
import ifcopenshell.util.shape
import ifcopenshell.util.space as subject
import numpy as np
import pytest
import shapely
import test.bootstrap
@@ -184,3 +185,39 @@ class TestGetAutoSpaceHeight(test.bootstrap.IFC4):
space_polygon = shapely.box(-100, -100, -90, -90)
height = subject.get_auto_space_height(self.file, shapes, space_polygon, 0.0, [])
assert height is None
class TestGetVerticalBoundingPlanes(test.bootstrap.IFC4):
def test_flat_ceiling_returns_single_plane(self):
wall = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
slab = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcSlab")
_add_extruded_body(self.file, wall, [[-5, -5], [5, -5], [5, 5], [-5, 5]], 3.0)
_add_extruded_body(self.file, slab, [[-5, -5], [5, -5], [5, 5], [-5, 5]], 0.3, z_offset=3.0)
shapes = _build_shapes_dict(self.file, [wall, slab])
tree = ifcopenshell.geom.tree(self.file)
tree.add_file(self.file, ifcopenshell.geom.settings())
space_polygon = shapely.box(-5, -5, 5, 5)
strategy, planes = subject.get_vertical_bounding_planes(
self.file, shapes, tree, space_polygon, base_z=0.0, direction="UP"
)
assert strategy == "EXTRUDE_CLIP"
assert len(planes) == 1
assert np.allclose(planes[0][0], [0.0, 0.0, 3.0], atol=0.1)
assert np.allclose(planes[0][1], [0.0, 0.0, 1.0], atol=0.01)
def test_flat_ceiling_returns_single_plane_from_rl_origin(self):
# Same result when rays are cast from an RL cut elevation (z=1.0)
# instead of the default base_z + 0.001.
wall = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
slab = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcSlab")
_add_extruded_body(self.file, wall, [[-5, -5], [5, -5], [5, 5], [-5, 5]], 3.0)
_add_extruded_body(self.file, slab, [[-5, -5], [5, -5], [5, 5], [-5, 5]], 0.3, z_offset=3.0)
shapes = _build_shapes_dict(self.file, [wall, slab])
tree = ifcopenshell.geom.tree(self.file)
tree.add_file(self.file, ifcopenshell.geom.settings())
strategy, planes = subject.get_vertical_bounding_planes(
self.file, shapes, tree, shapely.box(-5, -5, 5, 5), base_z=0.0, direction="UP", start_z=1.0
)
assert strategy == "EXTRUDE_CLIP"
assert len(planes) == 1
assert np.allclose(planes[0][0], [0.0, 0.0, 3.0], atol=0.1)