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IfcOpenShell-python: Implemented point cloud export functionalities (#1799)

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* Implemented export of point cloud representation

* Do representation geometry data no-edge check before no-polygon check
This commit is contained in:
Laurens Oostwegel
2021-10-15 03:15:55 +02:00
committed by GitHub
parent 68fd0c0cf5
commit b41e90ead6
1 changed files with 25 additions and 3 deletions
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src/ifcopenshell-python/ifcopenshell/api/geometry/add_representation.py
+25 -3
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@@ -22,7 +22,6 @@ class Usecase:
"unit_scale": None, # A scale factor to apply for all vectors in case the unit is different
"should_force_faceted_brep": False, # If we should force faceted breps for meshes
"should_force_triangulation": False, # If we should force triangulation for meshes
"is_point_cloud": False, # If the geometry is a point cloud
# Possible IFC representation classes:
# IfcExtrudedAreaSolid/IfcRectangleProfileDef
# IfcExtrudedAreaSolid/IfcCircleProfileDef
@@ -206,10 +205,10 @@ class Usecase:
return self.create_curve3d_representation()
elif isinstance(self.settings["geometry"], bpy.types.Camera):
return self.create_camera_block_representation()
elif not len(self.settings["geometry"].edges):
return self.create_point_cloud_representation()
elif not len(self.settings["geometry"].polygons):
return self.create_curve3d_representation()
elif self.settings["is_point_cloud"]:
return self.create_point_cloud_representation()
elif self.settings["ifc_representation_class"] == "IfcExtrudedAreaSolid/IfcRectangleProfileDef":
return self.create_rectangle_extrusion_representation()
elif self.settings["ifc_representation_class"] == "IfcExtrudedAreaSolid/IfcCircleProfileDef":
@@ -355,6 +354,29 @@ class Usecase:
results.append(self.file.createIfcPolyline(points))
return results
def create_point_cloud_representation(self, is_2d=False):
if self.file.schema == "IFC2X3":
geometric_set = []
for point in self.settings["geometry"].vertices:
if is_2d:
geometric_set.append(self.create_cartesian_point(point.co.x, point.co.y))
else:
geometric_set.append(self.create_cartesian_point(point.co.x, point.co.y, point.co.z))
return self.file.createIfcShapeRepresentation(
self.settings["context"],
self.settings["context"].ContextIdentifier,
"GeometricSet",
geometric_set,
)
point_cloud = self.create_cartesian_point_list_from_vertices(self.settings["geometry"].vertices, is_2d)
return self.file.createIfcShapeRepresentation(
self.settings["context"],
self.settings["context"].ContextIdentifier,
"PointCloud",
[point_cloud],
)
def create_rectangle_extrusion_representation(self):
helper = Helper(self.file)
indices = helper.auto_detect_rectangle_profile_extruded_area_solid(self.settings["geometry"])