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Export an axis representation for beveled curves. Related to #756.

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This commit is contained in:
Dion Moult
2020-01-11 22:58:53 +11:00
parent a762afc7c1
commit d84cfeffcc
1 changed files with 17 additions and 2 deletions
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src/ifcblenderexport/blenderbim/export_ifc.py
+17 -2
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@@ -1619,8 +1619,16 @@ class IfcExporter():
return self.file.createIfcRepresentationMap(self.origin, return self.file.createIfcRepresentationMap(self.origin,
self.create_geometric_curve_set_representation(representation)) self.create_geometric_curve_set_representation(representation))
elif representation['is_curve']: elif representation['is_curve']:
return self.file.createIfcRepresentationMap(self.origin, self.file.createIfcRepresentationMap(self.origin,
self.create_curve_representation(representation)) self.create_curve_representation(representation))
if 'Model' in self.ifc_rep_context \
and 'Axis' in self.ifc_rep_context['Model'] \
and 'GRAPH_VIEW' in self.ifc_rep_context['Model']['Axis']:
representation['subcontext'] = 'Axis'
representation['target_view'] = 'GRAPH_VIEW'
self.file.createIfcRepresentationMap(
self.origin, self.create_axis_representation(representation))
return
elif representation['is_swept_solid']: elif representation['is_swept_solid']:
return self.file.createIfcRepresentationMap(self.origin, return self.file.createIfcRepresentationMap(self.origin,
self.create_swept_solid_representation(representation)) self.create_swept_solid_representation(representation))
@@ -1708,6 +1716,13 @@ class IfcExporter():
# Find tangent and return. # Find tangent and return.
return (pt1 - pt0) * usq3 + (pt2 - pt1) * ut6 + (pt3 - pt2) * tsq3 return (pt1 - pt0) * usq3 + (pt2 - pt1) * ut6 + (pt3 - pt2) * tsq3
def create_axis_representation(self, representation):
return self.file.createIfcShapeRepresentation(
self.ifc_rep_context[representation['context']][representation['subcontext']][
representation['target_view']]['ifc'],
representation['subcontext'], 'Curve3D',
[self.create_curve(representation['raw'])])
def create_curve_representation(self, representation): def create_curve_representation(self, representation):
# TODO: support unclosed surfaces # TODO: support unclosed surfaces
swept_area = self.file.createIfcArbitraryClosedProfileDef('AREA', None, swept_area = self.file.createIfcArbitraryClosedProfileDef('AREA', None,