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Fix bug where 2D annotation curves geometry would be mangled on export.

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This commit is contained in:
Dion Moult
2020-09-01 22:44:51 +10:00
parent 03b8503049
commit cba30f0831
1 changed files with 21 additions and 3 deletions
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src/ifcblenderexport/blenderbim/bim/export_ifc.py
+21 -3
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@@ -2500,9 +2500,27 @@ class IfcExporter():
return self.create_curves_from_curve(curve, is_2d=is_2d)
def create_curves_from_mesh(self, mesh, is_2d=False):
return [self.file.createIfcIndexedPolyCurve(
self.create_cartesian_point_list_from_vertices(mesh.vertices, is_2d=is_2d),
[self.file.createIfcLineIndex(tuple(e.vertices)) for e in mesh.edges])]
curves = []
points = self.create_cartesian_point_list_from_vertices(mesh.vertices, is_2d=is_2d)
edge_loops = []
previous_edge = None
edge_loop = []
for edge in mesh.edges:
if ((Vector(points.CoordList[edge.vertices[0]]) - Vector(points.CoordList[edge.vertices[1]])).length < 0.001):
# Maybe we should warn the user to weld vertices in this scenario?
continue
elif previous_edge is None:
edge_loop = [self.file.createIfcLineIndex((edge.vertices[0]+1, edge.vertices[1]+1))]
elif edge.vertices[0] == previous_edge.vertices[1]:
edge_loop.append(self.file.createIfcLineIndex((edge.vertices[0]+1, edge.vertices[1]+1)))
else:
edge_loops.append(edge_loop)
edge_loop = [self.file.createIfcLineIndex((edge.vertices[0]+1, edge.vertices[1]+1))]
previous_edge = edge
edge_loops.append(edge_loop)
for edge_loop in edge_loops:
curves.append(self.file.createIfcIndexedPolyCurve(points, edge_loop))
return curves
def create_curves_from_curve(self, curve, is_2d=False):
results = []