Glassvision/IfcOpenShell
1
0
Fork 0
mirror of https://github.com/IfcOpenShell/IfcOpenShell.git synced 2026-08-31 00:46:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

add rigid connections - add spring stiffness for point connections

Browse Source
This commit is contained in:
Jesusbill
2020-08-17 17:05:31 +02:00
parent eac72dc852
commit 7f48923153
4 changed files with 151 additions and 83 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ifc2ca/ca2ifc.py
+42 -9
View File
@@ -30,7 +30,8 @@ class CA2IFC:
localPlacement = self.f.createIfcLocalPlacement(None, globalAxes)
# TODO: create units
unitAssignment = self.f.createIfcUnitAssignment()
lengthUnit = self.f.createIfcSIUnit(None, 'LENGTHUNIT', None, 'METRE')
unitAssignment = self.f.createIfcUnitAssignment((lengthUnit,))
# create owner history
ownerHistory = self.create_owner_history()
@@ -60,7 +61,7 @@ class CA2IFC:
materialIndex = [mat['ifcName'] for mat in self.data['db']['materials']].index(mpSet.split('-')[0])
profileIndex = [prof['ifcName'] for prof in self.data['db']['profiles']].index(mpSet.split('-')[1])
material = ifcMaterials[materialIndex]
profile = ifcProfiles[materialIndex]
profile = ifcProfiles[profileIndex]
matProf = self.f.createIfcMaterialProfile(self.data['db']['materials'][materialIndex]['name'] + ' | ' + self.data['db']['profiles'][profileIndex]['profileName'], None, material, profile)
ifcMaterialProfileSets[i] = self.f.createIfcMaterialProfileSet(None, None, (matProf,))
@@ -89,8 +90,8 @@ class CA2IFC:
localAxes = self.create_orientation(conn['orientation'])
# boundary conditions
if conn['appliedCondition']:
bc = conn['appliedCondition']
appliedCondition = self.f.createIfcBoundaryNodeCondition(None, self.f.createIfcBoolean(bc['dx']), self.f.createIfcBoolean(bc['dy']), self.f.createIfcBoolean(bc['dz']), self.f.createIfcBoolean(bc['drx']), self.f.createIfcBoolean(bc['dry']), self.f.createIfcBoolean(bc['drz']))
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'])
else:
appliedCondition = None
@@ -122,15 +123,18 @@ class CA2IFC:
for conn in el['connections']:
localAxes = self.create_orientation(conn['orientation'])
if conn['appliedCondition']:
bc = conn['appliedCondition']
appliedCondition = self.f.createIfcBoundaryNodeCondition(None, self.f.createIfcBoolean(bc['dx']), self.f.createIfcBoolean(bc['dy']), self.f.createIfcBoolean(bc['dz']), self.f.createIfcBoolean(bc['drx']), self.f.createIfcBoolean(bc['dry']), self.f.createIfcBoolean(bc['drz']))
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'])
else:
appliedCondition = None
j = [c['ifcName'] for c in self.data['connections']].index(conn['relatedConnection'])
if not conn['eccentricity']:
self.f.createIfcRelConnectsStructuralMember(self.guid(), ownerHistory, None, None, ifcElements[i], ifcConnections[j], appliedCondition, None, None, localAxes)
else:
pass
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)
@@ -283,9 +287,38 @@ class CA2IFC:
return faceProdDefShape
def create_node_applied_conditions(self, bc):
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])
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])
return bc
if __name__ == '__main__':
inputFilename = '' # json file to read
outputFilename = '' # ifc file to write
inputFilename = 'grid_of_beams.json'
outputFilename = 'grid_of_beams.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()