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Allow wireframe geometry exports

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Dion Moult
2019-09-07 08:05:42 +10:00
parent 9908e5cf05
commit 5dbbe174de
1 changed files with 28 additions and 11 deletions
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src/ifcblenderexport/export.py
+28 -11
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@@ -273,6 +273,7 @@ class IfcParser():
results.append({ results.append({
'ifc': None, 'ifc': None,
'raw': object.data, 'raw': object.data,
'is_wireframe': True if 'IsWireframe' in object.data else False,
'attributes': { 'Name': object.data.name } 'attributes': { 'Name': object.data.name }
}) })
return results return results
@@ -511,7 +512,7 @@ class IfcExporter():
def create_representations(self): def create_representations(self):
for representation in self.ifc_parser.representations: for representation in self.ifc_parser.representations:
representation['ifc'] = self.create_representation(representation['raw']) representation['ifc'] = self.create_representation(representation)
def create_products(self): def create_products(self):
for product in self.ifc_parser.products: for product in self.ifc_parser.products:
@@ -586,22 +587,38 @@ class IfcExporter():
self.file.createIfcDirection((up.x, up.y, up.z)), self.file.createIfcDirection((up.x, up.y, up.z)),
self.file.createIfcDirection((forward.x, forward.y, forward.z))) self.file.createIfcDirection((forward.x, forward.y, forward.z)))
def create_representation(self, mesh): def create_representation(self, representation):
ifc_vertices = [] self.ifc_vertices = []
ifc_faces = [] self.ifc_edges = []
self.ifc_faces = []
if representation['is_wireframe']:
return self.create_wireframe_representation(representation['raw'])
return self.create_solid_representation(representation['raw'])
for vertice in mesh.vertices: def create_wireframe_representation(self, mesh):
ifc_vertices.append( self.create_vertices(mesh.vertices)
self.file.createIfcCartesianPoint((vertice.co.x, vertice.co.y, vertice.co.z))) for edge in mesh.edges:
self.ifc_edges.append(self.file.createIfcPolyline([
self.ifc_vertices[v] for v in edge.vertices]))
return self.file.createIfcShapeRepresentation(
self.ifc_rep_subcontext, 'Body', 'Curve',
self.ifc_edges)
def create_solid_representation(self, mesh):
self.create_vertices(mesh.vertices)
for polygon in mesh.polygons: for polygon in mesh.polygons:
ifc_faces.append(self.file.createIfcFace([ self.ifc_faces.append(self.file.createIfcFace([
self.file.createIfcFaceOuterBound( self.file.createIfcFaceOuterBound(
self.file.createIfcPolyLoop([ifc_vertices[vertice] for vertice in polygon.vertices]), self.file.createIfcPolyLoop([self.ifc_vertices[vertice] for vertice in polygon.vertices]),
True)])) True)]))
return self.file.createIfcShapeRepresentation( return self.file.createIfcShapeRepresentation(
self.ifc_rep_subcontext, 'Body', 'Brep', self.ifc_rep_subcontext, 'Body', 'Brep',
[self.file.createIfcFacetedBrep(self.file.createIfcClosedShell(ifc_faces))]) [self.file.createIfcFacetedBrep(self.file.createIfcClosedShell(self.ifc_faces))])
def create_vertices(self, vertices):
for vertice in vertices:
self.ifc_vertices.append(
self.file.createIfcCartesianPoint((vertice.co.x, vertice.co.y, vertice.co.z)))
def relate_elements_to_spatial_structures(self): def relate_elements_to_spatial_structures(self):
for relating_structure, related_elements in self.ifc_parser.rel_contained_in_spatial_structure.items(): for relating_structure, related_elements in self.ifc_parser.rel_contained_in_spatial_structure.items():