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ifccityjson conversion support for MultiLineString and MultiPoint

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LaurensJN
2021-08-09 13:10:26 +02:00
parent 4c67137d47
commit 4bf074f97a
5 changed files with 546 additions and 23 deletions
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src/ifccityjson/geometry.py
+41 -7
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@@ -35,16 +35,50 @@ class GeometryIO:
IFC_cartesian_point = IFC_model.create_entity("IfcCartesianPoint", IFC_vertex)
self.vertices[tuple(coord)] = IFC_cartesian_point
# See for CityJSON geometries:
# https://www.cityjson.org/dev/geom-arrays/
# https://www.cityjson.org/specs/1.0.3/#geometry-objects
def create_IFC_geometry(self, IFC_model, geometry):
if geometry.type == "Solid":
return self.create_IFC_closed_shell(IFC_model, geometry)
elif geometry.type in ["CompositeSolid", "MultiSolid"]:
return self.create_IFC_composite_closed_shell(IFC_model, geometry)
IFC_Geometry = None
geometry_type = 'brep'
if geometry.type in ["MultiPoint"]:
IFC_geometry = self.create_IFC_cartesian_point_list3D(IFC_model, geometry)
geometry_type = 'PointCloud'
elif geometry.type in ["MultiLineString"]:
IFC_geometry = self.create_IFC_composite_curve(IFC_model, geometry)
geometry_type = 'Curve3D'
elif geometry.type in ["CompositeSurface", "MultiSurface"]:
return self.create_IFC_surface(IFC_model, geometry)
IFC_geometry = self.create_IFC_surface(IFC_model, geometry)
elif geometry.type == "Solid":
IFC_geometry = self.create_IFC_closed_shell(IFC_model, geometry)
elif geometry.type in ["CompositeSolid", "MultiSolid"]:
IFC_geometry = self.create_IFC_composite_closed_shell(IFC_model, geometry)
elif geometry.type in ["GeometryInstance"]:
warnings.warn("GeometryInstance is not supported.")
return None, None
else:
warnings.warn("Types other than solids are not yet supported")
return
warnings.warn("Custom CityJSON geometries are not supported.")
return None, None
return IFC_geometry, geometry_type
def create_IFC_cartesian_point_list3D(self, IFC_model, geometry):
# https://www.cityjson.org/dev/geom-arrays/
# https://standards.buildingsmart.org/IFC/DEV/IFC4_2/FINAL/HTML/schema/ifcgeometricmodelresource/lexical/ifccartesianpointlist3d.htm
IFC_geometry = IFC_model.create_entity("IfcCartesianPointList3D", geometry.boundaries)
return IFC_geometry
def create_IFC_composite_curve(self, IFC_model, geometry):
# https://www.cityjson.org/dev/geom-arrays/
# https://standards.buildingsmart.org/IFC/DEV/IFC4_2/FINAL/HTML/schema/ifcgeometryresource/lexical/ifccompositecurve.htm
# https://standards.buildingsmart.org/IFC/DEV/IFC4_2/FINAL/HTML/schema/ifcgeometryresource/lexical/ifccompositecurvesegment.htm
IFC_geometry = []
for line in geometry.boundaries:
vertices = []
for vertex in line:
vertices.append(self.vertices[tuple(vertex)])
polyline = IFC_model.create_entity("IfcPolyLine", vertices)
IFC_geometry.append(polyline)
return IFC_geometry
def create_IFC_composite_closed_shell(self, IFC_model, geometry):
shells = []