def export(exportList,filename):
"called when freecad exports a file"
try:
import IfcImport
except:
FreeCAD.Console.PrintError(translate("Arch","Error: IfcOpenShell is not installed\n"))
print """importIFC: ifcOpenShell is not installed. IFC export is unavailable.
Note: IFC export currently requires an experimental version of IfcOpenShell
available from https://github.com/aothms/IfcOpenShell"""
return
else:
if not hasattr(IfcImport,"IfcFile"):
FreeCAD.Console.PrintError(translate("Arch","Error: your IfcOpenShell version is too old\n"))
print """importIFC: The version of ifcOpenShell installed on this system doesn't
have IFC export capabilities. IFC export currently requires an experimental
version of IfcOpenShell available from https://github.com/aothms/IfcOpenShell"""
return
import ifcWriter
import Arch,Draft
# creating base IFC project
getConfig()
ifcWriter.PRECISION = Draft.precision()
p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
scaling = p.GetFloat("IfcScalingFactor",1.0)
exporttxt = p.GetBool("IfcExportList",False)
forcebrep = p.GetBool("ifcExportAsBrep",False)
application = "FreeCAD"
ver = FreeCAD.Version()
version = ver[0]+"."+ver[1]+" build"+ver[2]
owner = FreeCAD.ActiveDocument.CreatedBy
company = FreeCAD.ActiveDocument.Company
project = FreeCAD.ActiveDocument.Name
ifc = ifcWriter.IfcDocument(filename,project,owner,company,application,version)
txt = []
# get all children and reorder list to get buildings and floors processed first
objectslist = Draft.getGroupContents(exportList,walls=True,addgroups=True)
objectslist = Arch.pruneIncluded(objectslist)
buildings = []
floors = []
others = []
for obj in objectslist:
otype = Draft.getType(obj)
if otype == "Building":
buildings.append(obj)
elif otype == "Floor":
floors.append(obj)
else:
others.append(obj)
objectslist = buildings + floors + others
if DEBUG: print "adding ", len(objectslist), " objects"
global unprocessed
unprocessed = []
# process objects
for obj in objectslist:
otype = Draft.getType(obj)
name = str(obj.Label)
parent = Arch.getHost(obj)
gdata = None
fdata = None
placement = None
color = None
representation = None
descr = None
extra = None
# setting the IFC type
if hasattr(obj,"Role"):
ifctype = obj.Role.replace(" ","")
else:
ifctype = otype
if ifctype == "Foundation":
ifctype = "Footing"
elif ifctype == "Rebar":
ifctype = "ReinforcingBar"
if DEBUG: print "adding " + obj.Label + " as Ifc" + ifctype
# writing IFC data
if obj.isDerivedFrom("App::DocumentObjectGroup"):
# getting parent building
if parent:
parent = ifc.findByName("IfcBuilding",str(parent.Label))
if otype == "Building":
ifc.addBuilding( name=name )
elif otype == "Floor":
ifc.addStorey( building=parent, name=name )
else:
print " Skipping (not implemented yet)"
elif obj.isDerivedFrom("Part::Feature"):
# get color
if FreeCAD.GuiUp:
color = obj.ViewObject.ShapeColor[:3]
# get parent floor
if parent:
parent = ifc.findByName("IfcBuildingStorey",str(parent.Label))
# get representation
if not forcebrep:
gdata = Arch.getIfcExtrusionData(obj,scaling)
#if DEBUG: print " extrusion data for ",obj.Label," : ",gdata
if not gdata:
fdata = Arch.getIfcBrepFacesData(obj,scaling)
#if DEBUG: print " brep data for ",obj.Label," : ",fdata
if not fdata:
if obj.isDerivedFrom("Part::Feature"):
print "IFC export: error retrieving the shape of object ", obj.Name
continue
else:
if DEBUG: print " No geometry"
else:
if DEBUG: print " Brep"
else:
if DEBUG: print " Extrusion"
if gdata:
placement = ifc.addPlacement(origin=gdata[3][0],xaxis=gdata[3][1],zaxis=gdata[3][2])
if gdata[0] == "polyline":
representation = ifc.addExtrudedPolyline(gdata[1], gdata[2], color=color)
elif gdata[0] == "circle":
representation = ifc.addExtrudedCircle(gdata[1][0], gdata[1][1], gdata[2], color=color)
elif gdata[0] == "ellipse":
representation = ifc.addExtrudedEllipse(gdata[1][0], gdata[1][1], gdata[1][2], gdata[2], color=color)
else:
print "debug: unknow extrusion type"
elif fdata:
if JOINSOLIDS:
representation = ifc.join([ifc.addFacetedBrep(f, color=color) for f in fdata])
else:
representation = [ifc.addFacetedBrep(f, color=color) for f in fdata]
# create ifc object
ifctype = "Ifc" + ifctype
if hasattr(obj,"Description"):
descr = obj.Description
if otype == "Wall":
if gdata:
if gdata[0] == "polyline":
ifctype = "IfcWallStandardCase"
elif otype == "Structure":
if ifctype in ["IfcSlab","IfcFooting"]:
extra = ["NOTDEFINED"]
elif otype == "Window":
extra = [obj.Width.Value*scaling, obj.Height.Value*scaling]
if not ifctype in supportedIfcTypes:
if DEBUG: print " Type ",ifctype," is not supported by the current version of IfcOpenShell. Exporting as IfcBuildingElementProxy instead"
ifctype = "IfcBuildingElementProxy"
extra = ["ELEMENT"]
p = ifc.addProduct( ifctype, representation, storey=parent, placement=placement, name=name, description=descr, extra=extra )
if p:
# writing text log
spacer = ""
for i in range(36-len(obj.Label)):
spacer += " "
txt.append(obj.Label + spacer + ifctype)
else:
unprocessed.append(obj)
else:
if DEBUG: print "IFC export: object type ", otype, " is not supported yet."
ifc.write()
if exporttxt:
import time, os
txtstring = "List of objects exported by FreeCAD in file\n"
txtstring += filename + "\n"
txtstring += "On " + time.ctime() + "\n"
txtstring += "\n"
txtstring += str(len(txt)) + " objects exported:\n"
txtstring += "\n"
txtstring += "Nr Name Type\n"
txtstring += "\n"
for i in range(len(txt)):
idx = str(i+1)
sp = ""
for j in range(8-len(idx)):
sp += " "
txtstring += idx + sp + txt[i] + "\n"
txtfile = os.path.splitext(filename)[0]+".txt"
f = pyopen(txtfile,"wb")
f.write(txtstring)
f.close()
FreeCAD.ActiveDocument.recompute()
if unprocessed:
print "Some objects were not exported. See importIFC.unprocessed"
def export(exportList, filename):
"called when freecad exports a file"
try:
import IfcImport
except:
print """importIFC: ifcOpenShell is not installed. IFC export is unavailable.
Note: IFC export currently requires an experimental version of IfcOpenShell
available from https://github.com/aothms/IfcOpenShell"""
return
else:
if not hasattr(IfcImport, "IfcFile"):
print """importIFC: The version of ifcOpenShell installed on this system doesn't
have IFC export capabilities. IFC export currently requires an experimental
version of IfcOpenShell available from https://github.com/aothms/IfcOpenShell"""
return
import ifcWriter
# creating base IFC project
import Arch, Draft
getConfig()
ifcWriter.PRECISION = Draft.precision()
p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
scaling = p.GetFloat("IfcScalingFactor", 1.0)
application = "FreeCAD"
ver = FreeCAD.Version()
version = ver[0] + "." + ver[1] + " build" + ver[2]
owner = FreeCAD.ActiveDocument.CreatedBy
company = FreeCAD.ActiveDocument.Company
project = FreeCAD.ActiveDocument.Name
ifc = ifcWriter.IfcDocument(filename, project, owner, company, application,
version)
# get all children and reorder list to get buildings and floors processed first
objectslist = Draft.getGroupContents(exportList,
walls=True,
addgroups=True)
objectslist = Arch.pruneIncluded(objectslist)
buildings = []
floors = []
others = []
for obj in objectslist:
otype = Draft.getType(obj)
if otype == "Building":
buildings.append(obj)
elif otype == "Floor":
floors.append(obj)
else:
others.append(obj)
objectslist = buildings + floors + others
if DEBUG: print "adding ", len(objectslist), " objects"
# process objects
for obj in objectslist:
if DEBUG: print "adding ", obj.Label
otype = Draft.getType(obj)
name = str(obj.Label)
parent = Arch.getHost(obj)
gdata = Arch.getExtrusionData(obj, scaling)
if not gdata:
fdata = Arch.getBrepFacesData(obj, scaling)
if not fdata:
if obj.isDerivedFrom("Part::Feature"):
print "IFC export: error retrieving the shape of object ", obj.Name
continue
if otype == "Building":
ifc.addBuilding(name=name)
elif otype == "Floor":
if parent:
parent = ifc.findByName("IfcBuilding", str(parent.Label))
ifc.addStorey(building=parent, name=name)
elif otype == "Wall":
if parent:
parent = ifc.findByName("IfcBuildingStorey", str(parent.Label))
if gdata:
ifc.addWall(ifc.addExtrudedPolyline(gdata[0], gdata[1]),
storey=parent,
name=name)
elif fdata:
ifc.addWall([ifc.addFacetedBrep(f) for f in fdata],
storey=parent,
name=name)
elif otype == "Structure":
if parent:
parent = ifc.findByName("IfcBuildingStorey", str(parent.Label))
role = "IfcBeam"
if hasattr(obj, "Role"):
if obj.Role == "Column":
role = "IfcColumn"
elif obj.Role == "Slab":
role = "IfcSlab"
elif obj.Role == "Foundation":
role = "IfcFooting"
if gdata:
if FreeCAD.Vector(gdata[1]).getAngle(FreeCAD.Vector(0, 0,
1)) < .01:
# Workaround for non-Z extrusions, apparently not supported by ifc++ TODO: fix this
ifc.addStructure(role,
ifc.addExtrudedPolyline(
gdata[0], gdata[1]),
storey=parent,
name=name)
else:
fdata = Arch.getBrepFacesData(obj, scaling)
ifc.addStructure(role,
[ifc.addFacetedBrep(f) for f in fdata],
storey=parent,
name=name)
elif fdata:
ifc.addStructure(role, [ifc.addFacetedBrep(f) for f in fdata],
storey=parent,
name=name)
elif otype == "Window":
if parent:
p = ifc.findByName("IfcWallStandardCase", str(parent.Label))
if not p:
p = ifc.findByName("IfcColumn", str(parent.Label))
if not p:
p = ifc.findByName("IfcBeam", str(parent.Label))
if not p:
p = ifc.findByName("IfcSlab", str(parent.Label))
parent = p
role = "IfcWindow"
if hasattr(obj, "Role"):
if obj.Role == "Door":
role = "IfcDoor"
if gdata:
ifc.addWindow(role,
obj.Width * scaling,
obj.Height * scaling,
ifc.addExtrudedPolyline(gdata[0], gdata[1]),
host=parent,
name=name)
elif fdata:
ifc.addWindow(role,
obj.Width * scaling,
obj.Height * scaling,
[ifc.addFacetedBrep(f) for f in fdata],
host=parent,
name=name)
else:
print "IFC export: object type ", otype, " is not supported yet."
ifc.write()