Glassvision/IfcOpenShell
1
0
Fork 0
mirror of https://github.com/IfcOpenShell/IfcOpenShell.git synced 2026-08-10 17:58:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

Store edges representation item ids in Triangulation

Browse Source
This commit is contained in:
Andrej730
2024-09-25 15:15:47 +05:00
parent aad66f94a3
commit dd9de98290
8 changed files with 109 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ifcopenshell-python/test/test_create_shape.py
+79 -4
View File
@@ -1,11 +1,15 @@
import pytest
import test.bootstrap
import ifcopenshell
import ifcopenshell.api.unit
import ifcopenshell.api.root
import ifcopenshell.api.context
import ifcopenshell.api.project
import ifcopenshell.geom
import ifcopenshell.api.owner.settings
import ifcopenshell.api.project
import ifcopenshell.api.root
import ifcopenshell.api.unit
import ifcopenshell.geom
import ifcopenshell.ifcopenshell_wrapper as W
import ifcopenshell.util.shape
from ifcopenshell.util.shape_builder import ShapeBuilder, V
from typing import get_args
@@ -47,6 +51,77 @@ class TestGeomSettings:
assert "USE_PYTHON_OPENCASCADE" not in repr(settings)
class TestTriangulationAttributes(test.bootstrap.IFC4):
def test_faces_representation_item_ids(self):
ifc_file = ifcopenshell.file()
ifcopenshell.api.root.create_entity(ifc_file, ifc_class="IfcProject", name="Test")
context = ifcopenshell.api.context.add_context(ifc_file, context_type="Model")
builder = ShapeBuilder(ifc_file)
extrusion = builder.extrude(builder.rectangle(), magnitude=1.0)
representation = builder.get_representation(context, extrusion)
settings = ifcopenshell.geom.settings()
shape = ifcopenshell.geom.create_shape(settings, representation)
faces_item_ids = ifcopenshell.util.shape.get_faces_representation_item_ids(shape)
faces = ifcopenshell.util.shape.get_faces(shape)
assert set(faces_item_ids) == {extrusion.id()}
assert len(faces) == 12 # Cube has 12 tris.
assert len(faces_item_ids) == len(faces)
edges_item_ids = ifcopenshell.util.shape.get_edges_representation_item_ids(shape)
edges = ifcopenshell.util.shape.get_edges(shape)
assert set(edges_item_ids) == {extrusion.id()}
assert len(edges) == 12 # Cube has 12 edges.
assert len(edges_item_ids) == len(edges)
def test_curve_representation_item_ids(self):
ifc_file = ifcopenshell.file()
ifcopenshell.api.root.create_entity(ifc_file, ifc_class="IfcProject", name="Test")
context = ifcopenshell.api.context.add_context(ifc_file, context_type="Model")
builder = ShapeBuilder(ifc_file)
curve = builder.rectangle()
representation = builder.get_representation(context, curve)
settings = ifcopenshell.geom.settings()
settings.set("dimensionality", W.CURVES_SURFACES_AND_SOLIDS)
shape = ifcopenshell.geom.create_shape(settings, representation)
faces_item_ids = ifcopenshell.util.shape.get_faces_representation_item_ids(shape)
assert len(faces_item_ids) == 0
edges_item_ids = ifcopenshell.util.shape.get_edges_representation_item_ids(shape)
edges = ifcopenshell.util.shape.get_edges(shape)
assert set(edges_item_ids) == {curve.id()}
assert len(edges) == 4
assert len(edges_item_ids) == len(edges)
def test_mixed_representation_item_ids(self):
ifc_file = ifcopenshell.file()
ifcopenshell.api.root.create_entity(ifc_file, ifc_class="IfcProject", name="Test")
context = ifcopenshell.api.context.add_context(ifc_file, context_type="Model")
builder = ShapeBuilder(ifc_file)
curve = builder.rectangle()
fill = ifc_file.create_entity("IfcAnnotationFillArea", builder.rectangle())
representation = builder.get_representation(context, (curve, fill))
settings = ifcopenshell.geom.settings()
settings.set("dimensionality", W.CURVES_SURFACES_AND_SOLIDS)
shape = ifcopenshell.geom.create_shape(settings, representation)
faces_item_ids = ifcopenshell.util.shape.get_faces_representation_item_ids(shape)
faces = ifcopenshell.util.shape.get_faces(shape)
assert len(faces) == 2 # Fill area will produce a triangulated face.
assert set(faces_item_ids) == {fill.id()}
assert len(faces_item_ids) == len(faces)
edges_item_ids = ifcopenshell.util.shape.get_edges_representation_item_ids(shape)
edges = ifcopenshell.util.shape.get_edges(shape)
assert set(edges_item_ids) == {fill.id(), curve.id()}
assert len(edges) == 8 # 4 edges rectangle curve + 4 edges fill area
assert len(edges_item_ids) == len(edges)
class TestAssignObject:
def test_no_welding_on_distinct_items(self):
self.file = ifcopenshell.api.project.create_file()