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add curve connections

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This commit is contained in:
Jesusbill
2020-10-14 11:13:23 +02:00
parent a625a8aea3
commit 95d6685597
5 changed files with 296 additions and 85 deletions
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src/ifc2ca/ca2ifc.py
+57 -33
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@@ -78,7 +78,6 @@ class CA2IFC:
ifcElements[i] = self.f.createIfcStructuralCurveMember(self.guid(), ownerHistory, el['name'], None, None, localPlacement, prodDefShape, el['predefinedType'], localZAxis)
if el['geometryType'] == 'surface':
# element
ifcElements[i] = self.f.createIfcStructuralSurfaceMember(self.guid(), ownerHistory, el['name'], None, None, localPlacement, prodDefShape, el['predefinedType'], el['thickness'])
# create structural point connections
@@ -86,19 +85,34 @@ class CA2IFC:
for i,conn in enumerate(self.data['connections']):
# geometry - product definition shape
prodDefShape = self.create_geometry(conn)
# local axes
localAxes = self.create_orientation(conn['orientation'])
# boundary conditions
if conn['appliedCondition']:
bc = self.create_node_applied_conditions(conn['appliedCondition'])
appliedCondition = self.f.createIfcBoundaryNodeCondition(None, bc['dx'], bc['dy'], bc['dz'], bc['drx'], bc['dry'], bc['drz'])
bc = self.create_applied_conditions(conn['appliedCondition'], conn['geometryType'])
if conn['geometryType'] == 'point':
appliedCondition = self.f.createIfcBoundaryNodeCondition(None, bc['dx'], bc['dy'], bc['dz'], bc['drx'], bc['dry'], bc['drz'])
if conn['geometryType'] == 'line':
appliedCondition = self.f.createIfcBoundaryEdgeCondition(None, bc['dx'], bc['dy'], bc['dz'], bc['drx'], bc['dry'], bc['drz'])
if conn['geometryType'] == 'surface':
appliedCondition = self.f.createIfcBoundaryFaceCondition(None, bc['dx'], bc['dy'], bc['dz'])
else:
appliedCondition = None
# connection
if conn['geometryType'] == 'point':
# local axes
localAxes = self.create_orientation(conn['orientation'])
# connection
ifcConnections[i] = self.f.createIfcStructuralPointConnection(self.guid(), ownerHistory, conn['name'], None, None, localPlacement, prodDefShape, appliedCondition, localAxes)
if conn['geometryType'] == 'line':
# z axis TODO: group by elements
localZAxis = self.f.createIfcDirection(tuple(conn['orientation'][2]))
# connection
ifcConnections[i] = self.f.createIfcStructuralCurveConnection(self.guid(), ownerHistory, conn['name'], None, None, localPlacement, prodDefShape, appliedCondition, localZAxis)
if conn['geometryType'] == 'surface':
ifcConnections[i] = self.f.createIfcStructuralSurfaceConnection(self.guid(), ownerHistory, conn['name'], None, None, localPlacement, prodDefShape, appliedCondition)
# assign material-profile-sets
for i,mpSet in enumerate(mpSets):
groupOfElements = []
@@ -121,20 +135,34 @@ class CA2IFC:
# create connections with elements
for i,el in enumerate(self.data['elements']):
for conn in el['connections']:
localAxes = self.create_orientation(conn['orientation'])
j = [c['ifcName'] for c in self.data['connections']].index(conn['relatedConnection'])
geometryType = self.data['connections'][j]['geometryType']
if conn['appliedCondition']:
bc = self.create_node_applied_conditions(conn['appliedCondition'])
appliedCondition = self.f.createIfcBoundaryNodeCondition(None, bc['dx'], bc['dy'], bc['dz'], bc['drx'], bc['dry'], bc['drz'])
bc = self.create_applied_conditions(conn['appliedCondition'], geometryType)
if geometryType == 'point':
appliedCondition = self.f.createIfcBoundaryNodeCondition(None, bc['dx'], bc['dy'], bc['dz'], bc['drx'], bc['dry'], bc['drz'])
if geometryType == 'line':
appliedCondition = self.f.createIfcBoundaryEdgeCondition(None, bc['dx'], bc['dy'], bc['dz'], bc['drx'], bc['dry'], bc['drz'])
if geometryType == 'surface':
appliedCondition = self.f.createIfcBoundaryFaceCondition(None, bc['dx'], bc['dy'], bc['dz'])
else:
appliedCondition = None
j = [c['ifcName'] for c in self.data['connections']].index(conn['relatedConnection'])
if not conn['eccentricity']:
# local axes
localAxes = self.create_orientation(conn['orientation'])
if geometryType == 'point':
if not conn['eccentricity']:
self.f.createIfcRelConnectsStructuralMember(self.guid(), ownerHistory, None, None, ifcElements[i], ifcConnections[j], appliedCondition, None, None, localAxes)
else:
pointOnElement = self.f.createIfcCartesianPoint(tuple(conn['eccentricity']['pointOnElement']))
vector = conn['eccentricity']['vector']
connPointEcc = self.f.createIfcConnectionPointEccentricity(pointOnElement, None, vector[0], vector[1], vector[2])
self.f.createIfcRelConnectsWithEccentricity(self.guid(), ownerHistory, None, None, ifcElements[i], ifcConnections[j], appliedCondition, None, None, localAxes, connPointEcc)
if geometryType in ['line', 'surface']:
self.f.createIfcRelConnectsStructuralMember(self.guid(), ownerHistory, None, None, ifcElements[i], ifcConnections[j], appliedCondition, None, None, localAxes)
else:
pointOnElement = self.f.createIfcCartesianPoint(tuple(conn['eccentricity']['pointOnElement']))
vector = conn['eccentricity']['vector']
connPointEcc = self.f.createIfcConnectionPointEccentricity(pointOnElement, None, vector[0], vector[1], vector[2])
self.f.createIfcRelConnectsWithEccentricity(self.guid(), ownerHistory, None, None, ifcElements[i], ifcConnections[j], appliedCondition, None, None, localAxes, connPointEcc)
# assign elements and connections to group
self.f.createIfcRelAssignsToGroup(self.guid(), ownerHistory, None, None, tuple(ifcElements + ifcConnections), None, model)
@@ -287,38 +315,34 @@ class CA2IFC:
return faceProdDefShape
def create_node_applied_conditions(self, bc):
def create_applied_conditions(self, bc, geometryType):
for dof in ['dx', 'dy', 'dz']:
if isinstance(bc[dof], bool):
bc[dof] = self.f.createIfcBoolean(bc[dof])
else:
bc[dof] = self.f.createIfcLinearStiffnessMeasure(bc[dof])
if geometryType == 'point':
bc[dof] = self.f.createIfcLinearStiffnessMeasure(bc[dof])
if geometryType == 'line':
bc[dof] = self.f.createIfcModulusOfLinearSubgradeReactionMeasure(bc[dof])
if geometryType == 'surface':
bc[dof] = self.f.createIfcModulusOfSubgradeReactionMeasure(bc[dof])
for dof in ['drx', 'dry', 'drz']:
if isinstance(bc[dof], bool):
bc[dof] = self.f.createIfcBoolean(bc[dof])
else:
bc[dof] = self.f.createIfcRotationalStiffnessMeasure(bc[dof])
if geometryType == 'point':
bc[dof] = self.f.createIfcRotationalStiffnessMeasure(bc[dof])
if geometryType == 'line':
bc[dof] = self.f.createIfcModulusOfRotationalSubgradeReactionMeasure(bc[dof])
return bc
if __name__ == '__main__':
inputFilename = 'grid_of_beams.json'
outputFilename = 'grid_of_beams.ifc'
inputFilename = 'structure_01.json'
outputFilename = 'structure_01.ifc'
ca2ifc = CA2IFC(inputFilename, outputFilename)
ca2ifc.convert()
#
# inputFilename = 'portal_01.json'
# outputFilename = 'portal_01.ifc'
#
# ca2ifc = CA2IFC(inputFilename, outputFilename)
# ca2ifc.convert()
#
# inputFilename = 'building_01.json' # json file to read
# outputFilename = 'building_01.ifc' # ifc file to write
#
# ca2ifc = CA2IFC(inputFilename, outputFilename)
# ca2ifc.convert()