/
importIFC.py
1784 lines (1612 loc) · 81.6 KB
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importIFC.py
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#***************************************************************************
#* *
#* Copyright (c) 2014 *
#* Yorik van Havre <yorik@uncreated.net> *
#* *
#* This program is free software; you can redistribute it and/or modify *
#* it under the terms of the GNU Lesser General Public License (LGPL) *
#* as published by the Free Software Foundation; either version 2 of *
#* the License, or (at your option) any later version. *
#* for detail see the LICENCE text file. *
#* *
#* This program is distributed in the hope that it will be useful, *
#* but WITHOUT ANY WARRANTY; without even the implied warranty of *
#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
#* GNU Library General Public License for more details. *
#* *
#* You should have received a copy of the GNU Library General Public *
#* License along with this program; if not, write to the Free Software *
#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
#* USA *
#* *
#***************************************************************************
__title__ = "FreeCAD IFC importer - Enhanced ifcopenshell-only version"
__author__ = "Yorik van Havre","Jonathan Wiedemann"
__url__ = "http://www.freecadweb.org"
import os,time,tempfile,uuid,FreeCAD,Part,Draft,Arch,math,DraftVecUtils
DEBUG = False
if open.__module__ == '__builtin__':
pyopen = open # because we'll redefine open below
# which IFC type must create which FreeCAD type
typesmap = { "Site": ["IfcSite"],
"Building": ["IfcBuilding"],
"Floor": ["IfcBuildingStorey"],
"Structure": ["IfcBeam", "IfcBeamStandardCase", "IfcColumn", "IfcColumnStandardCase", "IfcSlab", "IfcFooting", "IfcPile", "IfcTendon"],
"Wall": ["IfcWall", "IfcWallStandardCase", "IfcCurtainWall"],
"Window": ["IfcWindow", "IfcWindowStandardCase", "IfcDoor", "IfcDoorStandardCase"],
"Roof": ["IfcRoof"],
"Stairs": ["IfcStair", "IfcStairFlight", "IfcRamp", "IfcRampFlight"],
"Space": ["IfcSpace"],
"Rebar": ["IfcReinforcingBar"],
"Panel": ["IfcPlate"],
"Equipment": ["IfcFurnishingElement","IfcSanitaryTerminal","IfcFlowTerminal","IfcElectricAppliance"]
}
# which IFC entity (product) is a structural object
structuralifcobjects = (
"IfcStructuralCurveMember", "IfcStructuralSurfaceMember",
"IfcStructuralPointConnection", "IfcStructuralCurveConnection", "IfcStructuralSurfaceConnection",
"IfcStructuralAction", "IfcStructuralPointAction",
"IfcStructuralLinearAction", "IfcStructuralLinearActionVarying", "IfcStructuralPlanarAction"
)
# specific name translations
translationtable = { "Foundation":"Footing",
"Floor":"BuildingStorey",
"Rebar":"ReinforcingBar",
"HydroEquipment":"SanitaryTerminal",
"ElectricEquipment":"ElectricAppliance",
"Furniture":"FurnishingElement",
"Stair Flight":"StairFlight",
"Curtain Wall":"CurtainWall"
}
ifctemplate = """ISO-10303-21;
HEADER;
FILE_DESCRIPTION(('ViewDefinition [CoordinationView]'),'2;1');
FILE_NAME('$filename','$timestamp',('$owner','$email'),('$company'),'IfcOpenShell','IfcOpenShell','');
FILE_SCHEMA(('$ifcschema'));
ENDSEC;
DATA;
#1=IFCPERSON($,$,'$owner',$,$,$,$,$);
#2=IFCORGANIZATION($,'$company',$,$,$);
#3=IFCPERSONANDORGANIZATION(#1,#2,$);
#4=IFCAPPLICATION(#2,'$version','FreeCAD','118df2cf_ed21_438e_a41');
#5=IFCOWNERHISTORY(#3,#4,$,.ADDED.,$,#3,#4,$now);
#6=IFCDIRECTION((1.,0.,0.));
#7=IFCDIRECTION((0.,0.,1.));
#8=IFCCARTESIANPOINT((0.,0.,0.));
#9=IFCAXIS2PLACEMENT3D(#8,#7,#6);
#10=IFCDIRECTION((0.,1.,0.));
#11=IFCGEOMETRICREPRESENTATIONCONTEXT('Plan','Model',3,1.E-05,#9,#10);
#12=IFCDIMENSIONALEXPONENTS(0,0,0,0,0,0,0);
#13=IFCSIUNIT(*,.LENGTHUNIT.,$,.METRE.);
#14=IFCSIUNIT(*,.AREAUNIT.,$,.SQUARE_METRE.);
#15=IFCSIUNIT(*,.VOLUMEUNIT.,$,.CUBIC_METRE.);
#16=IFCSIUNIT(*,.PLANEANGLEUNIT.,$,.RADIAN.);
#17=IFCMEASUREWITHUNIT(IFCPLANEANGLEMEASURE(0.017453292519943295),#16);
#18=IFCCONVERSIONBASEDUNIT(#12,.PLANEANGLEUNIT.,'DEGREE',#17);
#19=IFCUNITASSIGNMENT((#13,#14,#15,#18));
#20=IFCPROJECT('$projectid',#5,'$project',$,$,$,$,(#11),#19);
ENDSEC;
END-ISO-10303-21;
"""
def decode(filename,utf=False):
if isinstance(filename,unicode):
# workaround since ifcopenshell currently can't handle unicode filenames
if utf:
encoding = "utf8"
else:
import sys
encoding = sys.getfilesystemencoding()
filename = filename.encode(encoding)
return filename
def doubleClickTree(item,column):
txt = item.text(column)
if "Entity #" in txt:
eid = txt.split("#")[1].split(":")[0]
addr = tree.findItems(eid,0,0)
if addr:
tree.scrollToItem(addr[0])
addr[0].setSelected(True)
def getPreferences():
"""retrieves IFC preferences"""
global DEBUG, PREFIX_NUMBERS, SKIP, SEPARATE_OPENINGS
global ROOT_ELEMENT, GET_EXTRUSIONS, MERGE_MATERIALS
global MERGE_MODE_ARCH, MERGE_MODE_STRUCT, CREATE_CLONES
global FORCE_BREP, IMPORT_PROPERTIES, STORE_UID, SERIALIZE
p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
if FreeCAD.GuiUp and p.GetBool("ifcShowDialog",False):
import FreeCADGui
FreeCADGui.showPreferences("Import-Export",0)
DEBUG = p.GetBool("ifcDebug",False)
PREFIX_NUMBERS = p.GetBool("ifcPrefixNumbers",False)
SKIP = p.GetString("ifcSkip","").split(",")
SEPARATE_OPENINGS = p.GetBool("ifcSeparateOpenings",False)
ROOT_ELEMENT = p.GetString("ifcRootElement","IfcProduct")
GET_EXTRUSIONS = p.GetBool("ifcGetExtrusions",False)
MERGE_MATERIALS = p.GetBool("ifcMergeMaterials",False)
MERGE_MODE_ARCH = p.GetInt("ifcImportModeArch",0)
MERGE_MODE_STRUCT = p.GetInt("ifcImportModeStruct",1)
if MERGE_MODE_ARCH > 0:
SEPARATE_OPENINGS = False
GET_EXTRUSIONS = False
if not SEPARATE_OPENINGS:
SKIP.append("IfcOpeningElement")
CREATE_CLONES = p.GetBool("ifcCreateClones",True)
FORCE_BREP = p.GetBool("ifcExportAsBrep",False)
IMPORT_PROPERTIES = p.GetBool("ifcImportProperties",False)
STORE_UID = p.GetBool("ifcStoreUid",True)
SERIALIZE = p.GetBool("ifcSerialize",False)
def explore(filename=None):
"""explore([filename]): opens a dialog showing
the contents of an IFC file. If no filename is given, a dialog will
pop up to choose a file."""
getPreferences()
try:
import ifcopenshell
except:
FreeCAD.Console.PrintError("IfcOpenShell was not found on this system. IFC support is disabled\n")
return
if not filename:
from PySide import QtGui
filename = QtGui.QFileDialog.getOpenFileName(QtGui.qApp.activeWindow(),'IFC files','*.ifc')
if filename:
filename = filename[0]
from PySide import QtCore,QtGui
filename = decode(filename,utf=True)
if not os.path.exists(filename):
print "File not found"
return
ifc = ifcopenshell.open(filename)
global tree
tree = QtGui.QTreeWidget()
tree.setColumnCount(3)
tree.setWordWrap(True)
tree.header().setDefaultSectionSize(60)
tree.header().resizeSection(0,60)
tree.header().resizeSection(1,30)
tree.header().setStretchLastSection(True)
tree.headerItem().setText(0, "ID")
tree.headerItem().setText(1, "")
tree.headerItem().setText(2, "Item and Properties")
bold = QtGui.QFont()
bold.setWeight(75)
bold.setBold(True)
entities = ifc.by_type("IfcRoot")
entities += ifc.by_type("IfcRepresentation")
entities += ifc.by_type("IfcRepresentationItem")
entities += ifc.by_type("IfcPlacement")
entities += ifc.by_type("IfcProperty")
entities += ifc.by_type("IfcPhysicalSimpleQuantity")
entities += ifc.by_type("IfcMaterial")
entities += ifc.by_type("IfcProductRepresentation")
entities = sorted(entities, key=lambda eid: eid.id())
done = []
for entity in entities:
if hasattr(entity,"id"):
if entity.id() in done:
continue
done.append(entity.id())
item = QtGui.QTreeWidgetItem(tree)
item.setText(0,str(entity.id()))
if entity.is_a() in ["IfcWall","IfcWallStandardCase"]:
item.setIcon(1,QtGui.QIcon(":icons/Arch_Wall_Tree.svg"))
elif entity.is_a() in ["IfcBuildingElementProxy"]:
item.setIcon(1,QtGui.QIcon(":icons/Arch_Component.svg"))
elif entity.is_a() in ["IfcColumn","IfcColumnStandardCase","IfcBeam","IfcBeamStandardCase","IfcSlab","IfcFooting","IfcPile","IfcTendon"]:
item.setIcon(1,QtGui.QIcon(":icons/Arch_Structure_Tree.svg"))
elif entity.is_a() in ["IfcSite"]:
item.setIcon(1,QtGui.QIcon(":icons/Arch_Site_Tree.svg"))
elif entity.is_a() in ["IfcBuilding"]:
item.setIcon(1,QtGui.QIcon(":icons/Arch_Building_Tree.svg"))
elif entity.is_a() in ["IfcBuildingStorey"]:
item.setIcon(1,QtGui.QIcon(":icons/Arch_Floor_Tree.svg"))
elif entity.is_a() in ["IfcWindow","IfcWindowStandardCase","IfcDoor","IfcDoorStandardCase"]:
item.setIcon(1,QtGui.QIcon(":icons/Arch_Window_Tree.svg"))
elif entity.is_a() in ["IfcRoof"]:
item.setIcon(1,QtGui.QIcon(":icons/Arch_Roof_Tree.svg"))
elif entity.is_a() in ["IfcExtrudedAreaSolid","IfcClosedShell"]:
item.setIcon(1,QtGui.QIcon(":icons/Tree_Part.svg"))
elif entity.is_a() in ["IfcFace"]:
item.setIcon(1,QtGui.QIcon(":icons/Draft_SwitchMode.svg"))
elif entity.is_a() in ["IfcArbitraryClosedProfileDef","IfcPolyloop"]:
item.setIcon(1,QtGui.QIcon(":icons/Draft_Draft.svg"))
elif entity.is_a() in ["IfcPropertySingleValue","IfcQuantityArea","IfcQuantityVolume"]:
item.setIcon(1,QtGui.QIcon(":icons/Tree_Annotation.svg"))
elif entity.is_a() in ["IfcMaterial"]:
item.setIcon(1,QtGui.QIcon(":icons/Arch_Material.svg"))
item.setText(2,str(entity.is_a()))
item.setFont(2,bold);
i = 0
while True:
try:
argname = entity.attribute_name(i)
except:
break
else:
try:
argvalue = getattr(entity,argname)
except:
print "Error in entity ",entity
break
else:
if not argname in ["Id", "GlobalId"]:
colored = False
if isinstance(argvalue,ifcopenshell.entity_instance):
if argvalue.id() == 0:
t = str(argvalue)
else:
colored = True
t = "Entity #" + str(argvalue.id()) + ": " + str(argvalue.is_a())
elif isinstance(argvalue,list):
t = ""
elif isinstance(argvalue,str) or isinstance(argvalue,unicode):
t = argvalue.encode("latin1")
else:
t = str(argvalue)
t = " " + str(argname.encode("utf8")) + " : " + str(t)
item = QtGui.QTreeWidgetItem(tree)
item.setText(2,str(t))
if colored:
item.setForeground(2,QtGui.QBrush(QtGui.QColor("#005AFF")))
if isinstance(argvalue,list):
for argitem in argvalue:
colored = False
if isinstance(argitem,ifcopenshell.entity_instance):
if argitem.id() == 0:
t = str(argitem)
else:
colored = True
t = "Entity #" + str(argitem.id()) + ": " + str(argitem.is_a())
else:
t = argitem
t = " " + str(t)
item = QtGui.QTreeWidgetItem(tree)
item.setText(2,str(t))
if colored:
item.setForeground(2,QtGui.QBrush(QtGui.QColor("#005AFF")))
i += 1
d = QtGui.QDialog()
d.setObjectName("IfcExplorer")
d.setWindowTitle("Ifc Explorer")
d.resize(640, 480)
layout = QtGui.QVBoxLayout(d)
layout.addWidget(tree)
tree.itemDoubleClicked.connect(doubleClickTree)
d.exec_()
del tree
return
def open(filename,skip=[],only=[],root=None):
"opens an IFC file in a new document"
docname = os.path.splitext(os.path.basename(filename))[0]
docname = decode(docname,utf=True)
doc = FreeCAD.newDocument(docname)
doc.Label = docname
doc = insert(filename,doc.Name,skip,only,root)
return doc
def insert(filename,docname,skip=[],only=[],root=None):
"""insert(filename,docname,skip=[],only=[],root=None): imports the contents of an IFC file.
skip can contain a list of ids of objects to be skipped, only can restrict the import to
certain object ids (will also get their children) and root can be used to
import only the derivates of a certain element type (default = ifcProduct)."""
getPreferences()
try:
import ifcopenshell
except:
FreeCAD.Console.PrintError("IfcOpenShell was not found on this system. IFC support is disabled\n")
return
if DEBUG: print "Opening ",filename,"...",
try:
doc = FreeCAD.getDocument(docname)
except:
doc = FreeCAD.newDocument(docname)
FreeCAD.ActiveDocument = doc
if DEBUG: print "done."
global ROOT_ELEMENT
if root:
ROOT_ELEMENT = root
#global ifcfile # keeping global for debugging purposes
filename = decode(filename,utf=True)
ifcfile = ifcopenshell.open(filename)
from ifcopenshell import geom
settings = ifcopenshell.geom.settings()
settings.set(settings.USE_BREP_DATA,True)
settings.set(settings.SEW_SHELLS,True)
settings.set(settings.USE_WORLD_COORDS,True)
if SEPARATE_OPENINGS:
settings.set(settings.DISABLE_OPENING_SUBTRACTIONS,True)
sites = ifcfile.by_type("IfcSite")
buildings = ifcfile.by_type("IfcBuilding")
floors = ifcfile.by_type("IfcBuildingStorey")
products = ifcfile.by_type(ROOT_ELEMENT)
openings = ifcfile.by_type("IfcOpeningElement")
annotations = ifcfile.by_type("IfcAnnotation")
materials = ifcfile.by_type("IfcMaterial")
if DEBUG: print "Building relationships table...",
# building relations tables
objects = {} # { id:object, ... }
additions = {} # { host:[child,...], ... }
groups = {} # { host:[child,...], ... } # used in structural IFC
subtractions = [] # [ [opening,host], ... ]
properties = {} # { obj : { cat : [property, ... ], ... }, ... }
colors = {} # { id:(r,g,b) }
shapes = {} # { id:shaoe } only used for merge mode
structshapes = {} # { id:shaoe } only used for merge mode
mattable = {} # { objid:matid }
sharedobjects = {} # { representationmapid:object }
for r in ifcfile.by_type("IfcRelContainedInSpatialStructure"):
additions.setdefault(r.RelatingStructure.id(),[]).extend([e.id() for e in r.RelatedElements])
for r in ifcfile.by_type("IfcRelAggregates"):
additions.setdefault(r.RelatingObject.id(),[]).extend([e.id() for e in r.RelatedObjects])
for r in ifcfile.by_type("IfcRelAssignsToGroup"):
groups.setdefault(r.RelatingGroup.id(),[]).extend([e.id() for e in r.RelatedObjects])
for r in ifcfile.by_type("IfcRelVoidsElement"):
subtractions.append([r.RelatedOpeningElement.id(), r.RelatingBuildingElement.id()])
for r in ifcfile.by_type("IfcRelDefinesByProperties"):
for obj in r.RelatedObjects:
if not obj.id() in properties :
properties[obj.id()] = {}
prop_by_category = {}
prop = []
if r.RelatingPropertyDefinition.is_a("IfcPropertySet"):
prop.extend([e.id() for e in r.RelatingPropertyDefinition.HasProperties])
prop_by_category[r.RelatingPropertyDefinition.id()] = prop
properties[obj.id()].update(prop_by_category)
for r in ifcfile.by_type("IfcRelAssociatesMaterial"):
for o in r.RelatedObjects:
mattable[o.id()] = r.RelatingMaterial.id()
for r in ifcfile.by_type("IfcStyledItem"):
if r.Styles:
if r.Styles[0].is_a("IfcPresentationStyleAssignment"):
if r.Styles[0].Styles[0].is_a("IfcSurfaceStyle"):
if r.Styles[0].Styles[0].Styles[0].is_a("IfcSurfaceStyleRendering"):
if r.Styles[0].Styles[0].Styles[0].SurfaceColour:
c = r.Styles[0].Styles[0].Styles[0].SurfaceColour
if r.Item:
for p in ifcfile.by_type("IfcProduct"):
if hasattr(p,"Representation"):
if p.Representation:
for it in p.Representation.Representations:
if it.Items:
if it.Items[0].id() == r.Item.id():
colors[p.id()] = (c.Red,c.Green,c.Blue)
elif it.Items[0].is_a("IfcBooleanResult"):
if (it.Items[0].FirstOperand.id() == r.Item.id()):
colors[p.id()] = (c.Red,c.Green,c.Blue)
else:
for m in ifcfile.by_type("IfcMaterialDefinitionRepresentation"):
for it in m.Representations:
if it.Items:
if it.Items[0].id() == r.id():
colors[m.RepresentedMaterial.id()] = (c.Red,c.Green,c.Blue)
if only: # only import a list of IDs and their children
ids = []
while only:
currentid = only.pop()
ids.append(currentid)
if currentid in additions.keys():
only.extend(additions[currentid])
products = [ifcfile[currentid] for currentid in ids]
if DEBUG: print "done."
count = 0
from FreeCAD import Base
progressbar = Base.ProgressIndicator()
progressbar.start("Importing IFC objects...",len(products))
if DEBUG: print "Processing objects..."
# products
for product in products:
pid = product.id()
guid = product.GlobalId
ptype = product.is_a()
if DEBUG: print count+1,"/",len(products)," creating object #",pid," : ",ptype,
name = str(ptype[3:])
if product.Name:
name = product.Name.encode("utf8")
if PREFIX_NUMBERS: name = "ID" + str(pid) + " " + name
obj = None
baseobj = None
brep = None
shape = None
archobj = True # assume all objects not in structuralifcobjects are architecture
structobj = False
if ptype in structuralifcobjects:
archobj = False
structobj = True
if DEBUG: print " (struct)",
else:
if DEBUG: print " (arch)",
if MERGE_MODE_ARCH == 4 and archobj:
if DEBUG: print " skipped."
continue
if MERGE_MODE_STRUCT == 3 and not archobj:
if DEBUG: print " skipped."
continue
if pid in skip: # user given id skip list
if DEBUG: print " skipped."
continue
if ptype in SKIP: # preferences-set type skip list
if DEBUG: print " skipped."
continue
# detect if this object is sharing its shape
clone = None
store = None
prepr = None
try:
prepr = product.Representation
except:
if DEBUG: print " ERROR unable to get object representation",
if prepr and (MERGE_MODE_ARCH == 0) and archobj and CREATE_CLONES:
for s in prepr.Representations:
if s.RepresentationIdentifier.upper() == "BODY":
if s.Items[0].is_a("IfcMappedItem"):
bid = s.Items[0].MappingSource.id()
if bid in sharedobjects:
clone = sharedobjects[bid]
else:
sharedobjects[bid] = None
store = bid
if structobj:
settings.set(settings.INCLUDE_CURVES,True)
else:
settings.set(settings.INCLUDE_CURVES,False)
try:
cr = ifcopenshell.geom.create_shape(settings,product)
brep = cr.geometry.brep_data
except:
pass # IfcOpenShell will yield an error if a given product has no shape, but we don't care
if brep:
if DEBUG: print " ",str(len(brep)/1000),"k ",
shape = Part.Shape()
shape.importBrepFromString(brep)
shape.scale(1000.0) # IfcOpenShell always outputs in meters
if not shape.isNull():
if (MERGE_MODE_ARCH > 0 and archobj) or structobj:
if ptype == "IfcSpace": # do not add spaces to compounds
if DEBUG: print "skipping space ",pid
elif structobj:
structshapes[pid] = shape
if DEBUG: print shape.Solids," ",
baseobj = shape
else:
shapes[pid] = shape
if DEBUG: print shape.Solids," ",
baseobj = shape
else:
if clone:
if DEBUG: print "clone ",
else:
if GET_EXTRUSIONS:
ex = Arch.getExtrusionData(shape)
if ex:
print "extrusion ",
baseface = FreeCAD.ActiveDocument.addObject("Part::Feature",name+"_footprint")
# bug in ifcopenshell? Some faces of a shell may have non-null placement
# workaround to remove the bad placement: exporting/reimporting as step
if not ex[0].Placement.isNull():
import tempfile
fd, tf = tempfile.mkstemp(suffix=".stp")
ex[0].exportStep(tf)
f = Part.read(tf)
os.close(fd)
os.remove(tf)
else:
f = ex[0]
baseface.Shape = f
baseobj = FreeCAD.ActiveDocument.addObject("Part::Extrusion",name+"_body")
baseobj.Base = baseface
baseobj.Dir = ex[1]
if FreeCAD.GuiUp:
baseface.ViewObject.hide()
if (not baseobj):
baseobj = FreeCAD.ActiveDocument.addObject("Part::Feature",name+"_body")
baseobj.Shape = shape
else:
if DEBUG: print "null shape ",
if not shape.isValid():
if DEBUG: print "invalid shape ",
#continue
else:
if DEBUG: print " no brep ",
if MERGE_MODE_ARCH == 0 and archobj:
# full Arch objects
for freecadtype,ifctypes in typesmap.items():
if ptype in ifctypes:
if clone:
obj = getattr(Arch,"make"+freecadtype)(name=name)
obj.CloneOf = clone
if shape:
if shape.Solids:
s1 = shape.Solids[0]
else:
s1 = shape
if clone.Shape.Solids:
s2 = clone.Shape.Solids[0]
else:
s1 = clone.Shape
if hasattr(s1,"CenterOfMass") and hasattr(s2,"CenterOfMass"):
v = s1.CenterOfMass.sub(s2.CenterOfMass)
if product.Representation:
r = getRotation(product.Representation.Representations[0].Items[0].MappingTarget)
if not r.isNull():
v = v.add(s2.CenterOfMass)
v = v.add(r.multVec(s2.CenterOfMass.negative()))
obj.Placement.Rotation = r
obj.Placement.move(v)
else:
print "failed to compute placement ",
else:
obj = getattr(Arch,"make"+freecadtype)(baseobj=baseobj,name=name)
if store:
sharedobjects[store] = obj
obj.Label = name
if hasattr(obj,"Description") and hasattr(product,"Description"):
if product.Description:
obj.Description = product.Description
if FreeCAD.GuiUp and baseobj:
if hasattr(baseobj,"ViewObject"):
baseobj.ViewObject.hide()
# setting role
try:
r = ptype[3:]
tr = dict((v,k) for k, v in translationtable.iteritems())
if r in tr.keys():
r = tr[r]
# remove the "StandardCase"
if "StandardCase" in r:
r = r[:-12]
obj.Role = r
except:
pass
# setting uid
if hasattr(obj,"IfcAttributes"):
a = obj.IfcAttributes
a["IfcUID"] = str(guid)
obj.IfcAttributes = a
break
if not obj:
obj = Arch.makeComponent(baseobj,name=name)
if obj:
sols = str(obj.Shape.Solids) if hasattr(obj,"Shape") else ""
if DEBUG: print sols
objects[pid] = obj
elif (MERGE_MODE_ARCH == 1 and archobj) or (MERGE_MODE_STRUCT == 0 and not archobj):
# non-parametric Arch objects
if ptype in ["IfcSite","IfcBuilding","IfcBuildingStorey"]:
for freecadtype,ifctypes in typesmap.items():
if ptype in ifctypes:
obj = getattr(Arch,"make"+freecadtype)(baseobj=None,name=name)
elif baseobj:
obj = Arch.makeComponent(baseobj,name=name,delete=True)
elif (MERGE_MODE_ARCH == 2 and archobj) or (MERGE_MODE_STRUCT == 1 and not archobj):
# Part shapes
if ptype in ["IfcSite","IfcBuilding","IfcBuildingStorey"]:
for freecadtype,ifctypes in typesmap.items():
if ptype in ifctypes:
obj = getattr(Arch,"make"+freecadtype)(baseobj=None,name=name)
elif baseobj:
obj = FreeCAD.ActiveDocument.addObject("Part::Feature",name)
obj.Shape = shape
if obj:
obj.Label = name
objects[pid] = obj
# properties
if pid in properties:
if IMPORT_PROPERTIES and hasattr(obj,"IfcProperties") :
ifc_spreadsheet = Arch.makeIfcSpreadsheet()
n=2
for c in properties[pid].keys():
o = ifcfile[c]
if DEBUG : print("propertyset Name",o.Name,type(o.Name))
catname = o.Name
for p in properties[pid][c]:
l = ifcfile[p]
if l.is_a("IfcPropertySingleValue"):
if DEBUG :
print("property name",l.Name,type(l.Name))
ifc_spreadsheet.set(str('A'+str(n)), catname.encode("utf8"))
ifc_spreadsheet.set(str('B'+str(n)), l.Name.encode("utf8"))
if l.NominalValue :
if DEBUG :
print("property NominalValue",l.NominalValue.is_a(),type(l.NominalValue.is_a()))
print("property NominalValue.wrappedValue",l.NominalValue.wrappedValue,type(l.NominalValue.wrappedValue))
#print("l.NominalValue.Unit",l.NominalValue.Unit,type(l.NominalValue.Unit))
ifc_spreadsheet.set(str('C'+str(n)), l.NominalValue.is_a())
if l.NominalValue.is_a() in ['IfcLabel','IfcText','IfcIdentifier','IfcDescriptiveMeasure']:
ifc_spreadsheet.set(str('D'+str(n)), "'" + str(l.NominalValue.wrappedValue.encode("utf8")))
else :
ifc_spreadsheet.set(str('D'+str(n)), str(l.NominalValue.wrappedValue))
if hasattr(l.NominalValue,'Unit') :
ifc_spreadsheet.set(str('E'+str(n)), str(l.NominalValue.Unit))
n += 1
obj.IfcProperties = ifc_spreadsheet
elif hasattr(obj,"IfcAttributes"):
a = obj.IfcAttributes
for c in properties[pid].keys():
for p in properties[pid][c]:
l = ifcfile[p]
if l.is_a("IfcPropertySingleValue"):
a[l.Name.encode("utf8")] = str(l.NominalValue)
obj.IfcAttributes = a
# color
if FreeCAD.GuiUp and (pid in colors) and hasattr(obj.ViewObject,"ShapeColor"):
#if DEBUG: print " setting color: ",int(colors[pid][0]*255),"/",int(colors[pid][1]*255),"/",int(colors[pid][2]*255)
obj.ViewObject.ShapeColor = colors[pid]
# if DEBUG is on, recompute after each shape
if DEBUG: FreeCAD.ActiveDocument.recompute()
# attached 2D elements
if product.Representation:
for r in product.Representation.Representations:
if r.RepresentationIdentifier == "FootPrint":
annotations.append(product)
break
count += 1
progressbar.next()
progressbar.stop()
FreeCAD.ActiveDocument.recompute()
if MERGE_MODE_STRUCT == 2:
if DEBUG: print "Joining Structural shapes..."
for host,children in groups.items(): # Structural
if ifcfile[host].is_a("IfcStructuralAnalysisModel"):
compound = []
for c in children:
if c in structshapes.keys():
compound.append(structshapes[c])
del structshapes[c]
if compound:
name = ifcfile[host].Name or "AnalysisModel"
if PREFIX_NUMBERS: name = "ID" + str(host) + " " + name
obj = FreeCAD.ActiveDocument.addObject("Part::Feature",name)
obj.Label = name
obj.Shape = Part.makeCompound(compound)
if structshapes: # remaining Structural shapes
obj = FreeCAD.ActiveDocument.addObject("Part::Feature","UnclaimedStruct")
obj.Shape = Part.makeCompound(structshapes.values())
else:
if DEBUG: print "Processing Struct relationships..."
# groups
for host,children in groups.items():
if ifcfile[host].is_a("IfcStructuralAnalysisModel"):
# print host, ' --> ', children
obj = FreeCAD.ActiveDocument.addObject("App::DocumentObjectGroup","AnalysisModel")
objects[host] = obj
if host in objects.keys():
cobs = []
childs_to_delete = []
for child in children:
if child in objects.keys():
cobs.append(objects[child])
childs_to_delete.append(child)
for c in childs_to_delete:
children.remove(c) # to not process the child again in remaining groups
if cobs:
if DEBUG: print "adding ",len(cobs), " object(s) to ", objects[host].Label
Arch.addComponents(cobs,objects[host])
if DEBUG: FreeCAD.ActiveDocument.recompute()
if MERGE_MODE_ARCH > 2: # if ArchObj is compound or ArchObj not imported
FreeCAD.ActiveDocument.recompute()
# cleaning bad shapes
for obj in objects.values():
if obj.isDerivedFrom("Part::Feature"):
if obj.Shape.isNull():
Arch.rebuildArchShape(obj)
# processing remaining (normal) groups
for host,children in groups.items():
if ifcfile[host].is_a("IfcGroup"):
if ifcfile[host].Name:
grp_name = ifcfile[host].Name
else:
if DEBUG: print "no group name specified for entity: #", ifcfile[host].id(), ", entity type is used!"
grp_name = ifcfile[host].is_a() + "_" + str(ifcfile[host].id())
grp = FreeCAD.ActiveDocument.addObject("App::DocumentObjectGroup",grp_name)
objects[host] = grp
for child in children:
if child in objects.keys():
grp.addObject(objects[child])
else:
if DEBUG: print "unable to add object: #", child, " to group: #", ifcfile[host].id(), ", ", grp_name
if MERGE_MODE_ARCH == 3:
if DEBUG: print "Joining Arch shapes..."
for host,children in additions.items(): # Arch
if ifcfile[host].is_a("IfcBuildingStorey"):
compound = []
for c in children:
if c in shapes.keys():
compound.append(shapes[c])
del shapes[c]
if c in additions.keys():
for c2 in additions[c]:
if c2 in shapes.keys():
compound.append(shapes[c2])
del shapes[c2]
if compound:
name = ifcfile[host].Name or "Floor"
if PREFIX_NUMBERS: name = "ID" + str(host) + " " + name
obj = FreeCAD.ActiveDocument.addObject("Part::Feature",name)
obj.Label = name
obj.Shape = Part.makeCompound(compound)
if shapes: # remaining Arch shapes
obj = FreeCAD.ActiveDocument.addObject("Part::Feature","UnclaimedArch")
obj.Shape = Part.makeCompound(shapes.values())
else:
if DEBUG: print "Processing Arch relationships..."
# subtractions
if SEPARATE_OPENINGS:
for subtraction in subtractions:
if (subtraction[0] in objects.keys()) and (subtraction[1] in objects.keys()):
if DEBUG: print "subtracting ",objects[subtraction[0]].Label, " from ", objects[subtraction[1]].Label
Arch.removeComponents(objects[subtraction[0]],objects[subtraction[1]])
if DEBUG: FreeCAD.ActiveDocument.recompute()
# additions
for host,children in additions.items():
if host in objects.keys():
cobs = [objects[child] for child in children if child in objects.keys()]
if cobs:
if DEBUG and (len(cobs) > 10) and ( not(Draft.getType(objects[host]) in ["Site","Building","Floor"])):
# avoid huge fusions
print "more than 10 shapes to add: skipping."
else:
if DEBUG: print "adding ",len(cobs), " object(s) to ", objects[host].Label
Arch.addComponents(cobs,objects[host])
if DEBUG: FreeCAD.ActiveDocument.recompute()
FreeCAD.ActiveDocument.recompute()
# cleaning bad shapes
for obj in objects.values():
if obj.isDerivedFrom("Part::Feature"):
if obj.Shape.isNull():
Arch.rebuildArchShape(obj)
FreeCAD.ActiveDocument.recompute()
# 2D elements
if DEBUG and annotations: print "Creating 2D geometry..."
scaling = getScaling(ifcfile)
#print "scaling factor =",scaling
for annotation in annotations:
aid = annotation.id()
if aid in skip: continue # user given id skip list
if annotation.is_a() in SKIP: continue # preferences-set type skip list
name = "Annotation"
if annotation.Name:
name = annotation.Name.encode("utf8")
if not "annotation" in name.lower():
name = "Annotation " + name
if PREFIX_NUMBERS: name = "ID" + str(aid) + " " + name
shapes2d = []
for rep in annotation.Representation.Representations:
if rep.RepresentationIdentifier in ["Annotation","FootPrint","Axis"]:
shapes2d.extend(setRepresentation(rep,scaling))
if shapes2d:
sh = Part.makeCompound(shapes2d)
pc = str(int((float(count)/(len(products)+len(annotations))*100)))+"% "
if DEBUG: print pc,"creating object ",aid," : Annotation with shape: ",sh
o = FreeCAD.ActiveDocument.addObject("Part::Feature",name)
o.Shape = sh
p = getPlacement(annotation.ObjectPlacement,scaling)
if p: # and annotation.is_a("IfcAnnotation"):
o.Placement = p
count += 1
FreeCAD.ActiveDocument.recompute()
# Materials
if DEBUG and materials: print "Creating materials..."
fcmats = {}
for material in materials:
name = "Material"
if material.Name:
name = material.Name.encode("utf8")
if MERGE_MATERIALS and (name in fcmats.keys()):
mat = fcmats[name]
else:
mat = Arch.makeMaterial(name=name)
mdict = {}
if material.id() in colors:
mdict["Color"] = str(colors[material.id()])
if mdict:
mat.Material = mdict
fcmats[name] = mat
for o,m in mattable.items():
if m == material.id():
if o in objects:
if hasattr(objects[o],"BaseMaterial"):
objects[o].BaseMaterial = mat
FreeCAD.ActiveDocument.recompute()
if FreeCAD.GuiUp:
import FreeCADGui
FreeCADGui.SendMsgToActiveView("ViewFit")
print "Finished importing."
return doc
def export(exportList,filename):
"exports FreeCAD contents to an IFC file"
getPreferences()
try:
global ifcopenshell
import ifcopenshell
except:
FreeCAD.Console.PrintError("IfcOpenShell was not found on this system. IFC support is disabled\n")
return
version = FreeCAD.Version()
owner = FreeCAD.ActiveDocument.CreatedBy
email = ''
if ("@" in owner) and ("<" in owner):
s = owner.split("<")
owner = s[0]
email = s[1].strip(">")
global template
template = ifctemplate.replace("$version",version[0]+"."+version[1]+" build "+version[2])
template = template.replace("$ifcschema",ifcopenshell.schema_identifier)
template = template.replace("$owner",owner)
template = template.replace("$company",FreeCAD.ActiveDocument.Company)
template = template.replace("$email",email)
template = template.replace("$now",str(int(time.time())))
template = template.replace("$projectid",FreeCAD.ActiveDocument.Uid[:22].replace("-","_"))
template = template.replace("$project",FreeCAD.ActiveDocument.Name)
template = template.replace("$filename",filename)
template = template.replace("$timestamp",str(time.strftime("%Y-%m-%dT%H:%M:%S", time.gmtime())))
templatefilehandle,templatefile = tempfile.mkstemp(suffix=".ifc")
of = pyopen(templatefile,"wb")
of.write(template.encode("utf8"))
of.close()
os.close(templatefilehandle)
global ifcfile, surfstyles, clones, sharedobjects
ifcfile = ifcopenshell.open(templatefile)
history = ifcfile.by_type("IfcOwnerHistory")[0]
context = ifcfile.by_type("IfcGeometricRepresentationContext")[0]
project = ifcfile.by_type("IfcProject")[0]
objectslist = Draft.getGroupContents(exportList,walls=True,addgroups=True)
objectslist = Arch.pruneIncluded(objectslist)
products = {} # { Name: IfcEntity, ... }
surfstyles = {} # { (r,g,b): IfcEntity, ... }
clones = {} # { Basename:[Clonename1,Clonename2,...] }
sharedobjects = {} # { BaseName: IfcRepresentationMap }
count = 1
groups = {} # { Host: [Child,Child,...] }
# build clones table
if CREATE_CLONES:
for o in objectslist:
b = Draft.getCloneBase(o,strict=True)
if b:
clones.setdefault(b.Name,[]).append(o.Name)
#print "clones table: ",clones
#print objectslist
# testing if more than one site selected (forbidden in IFC)
if len(Draft.getObjectsOfType(objectslist,"Site")) > 1:
FreeCAD.Console.PrintError("More than one site is selected, which is forbidden by IFC standards. Please export only one site by IFC file.\n")
return
# products
for obj in objectslist:
# getting generic data
name = str(obj.Label.encode("utf8"))
description = str(obj.Description) if hasattr(obj,"Description") else ""
# getting uid
uid = None
if hasattr(obj,"IfcAttributes"):
if "IfcUID" in obj.IfcAttributes.keys():
uid = str(obj.IfcAttributes["IfcUID"])
if not uid:
uid = ifcopenshell.guid.compress(uuid.uuid1().hex)
# storing the uid for further use
if STORE_UID and hasattr(obj,"IfcAttributes"):
d = obj.IfcAttributes
d["IfcUID"] = uid
obj.IfcAttributes = d
# setting the IFC type + name conversions
if hasattr(obj,"Role"):
ifctype = obj.Role.replace(" ","")
else: