def getPoint(self, point=None, obj=None):
"this function is called by the snapper when it has a 3D point"
if obj:
if Draft.getType(obj) == "Wall":
if not obj in self.existing:
self.existing.append(obj)
if point == None:
self.tracker.finalize()
return
self.points.append(point)
if len(self.points) == 1:
self.tracker.on()
FreeCADGui.Snapper.getPoint(last=self.points[0],
callback=self.getPoint,
movecallback=self.update,
extradlg=self.taskbox())
elif len(self.points) == 2:
import Part
add = False
l = Part.Line(self.points[0], self.points[1])
self.tracker.finalize()
FreeCAD.ActiveDocument.openTransaction("Wall")
if not self.existing:
self.addDefault(l)
else:
w = joinWalls(self.existing)
if w:
if areSameWallTypes([w, self]):
w.Base.addGeometry(l)
else:
nw = self.addDefault(l)
add = True
else:
self.addDefault(l)
FreeCAD.ActiveDocument.commitTransaction()
FreeCAD.ActiveDocument.recompute()
if add:
import ArchCommands
ArchCommands.addComponents(nw, w)
def getPoint(self,point=None,obj=None):
"this function is called by the snapper when it has a 3D point"
if obj:
if Draft.getType(obj) == "Wall":
if not obj in self.existing:
self.existing.append(obj)
if point == None:
self.tracker.finalize()
return
self.points.append(point)
if len(self.points) == 1:
self.tracker.on()
FreeCADGui.Snapper.getPoint(last=self.points[0],callback=self.getPoint,movecallback=self.update,extradlg=self.taskbox())
elif len(self.points) == 2:
import Part
add = False
l = Part.Line(self.points[0],self.points[1])
self.tracker.finalize()
FreeCAD.ActiveDocument.openTransaction("Wall")
if not self.existing:
self.addDefault(l)
else:
w = joinWalls(self.existing)
if w:
if areSameWallTypes([w,self]):
w.Base.addGeometry(l)
else:
nw = self.addDefault(l)
add = True
else:
self.addDefault(l)
FreeCAD.ActiveDocument.commitTransaction()
FreeCAD.ActiveDocument.recompute()
if add:
import ArchCommands
ArchCommands.addComponents(nw,w)
if self.continueCmd:
self.Activated()
def read(filename):
"Parses an IFC file"
# parsing the IFC file
t1 = time.time()
num_lines = sum(1 for line in pyopen(filename))
if getIfcOpenShell() and not FORCE_PYTHON_PARSER:
# use the IfcOpenShell parser
# preparing IfcOpenShell
if DEBUG: global ifcObjects,ifcParents
ifcObjects = {} # a table to relate ifc id with freecad object
ifcParents = {} # a table to relate ifc id with parent id
if hasattr(IfcImport,"DISABLE_OPENING_SUBTRACTIONS") and SEPARATE_OPENINGS:
IfcImport.Settings(IfcImport.DISABLE_OPENING_SUBTRACTIONS,True)
else:
SKIP.append("IfcOpeningElement")
useShapes = False
if hasattr(IfcImport,"USE_BREP_DATA"):
IfcImport.Settings(IfcImport.USE_BREP_DATA,True)
useShapes = True
else:
if DEBUG: print "Warning: IfcOpenShell version very old, unable to handle Brep data"
# processing geometry
if IfcImport.Init(filename):
while True:
obj = IfcImport.Get()
if DEBUG: print "["+str(int((float(obj.id)/num_lines)*100))+"%] parsing ",obj.id,": ",obj.name," of type ",obj.type
# retrieving name
n = getName(obj)
# skip types
if obj.type in SKIP:
if DEBUG: print "skipping because type is in skip list"
nobj = None
else:
# build shape
shape = None
if useShapes:
shape = getShape(obj)
# walls
if obj.type in ["IfcWallStandardCase","IfcWall"]:
nobj = makeWall(obj.id,shape,n)
# windows
elif obj.type in ["IfcWindow","IfcDoor"]:
nobj = makeWindow(obj.id,shape,n)
# structs
elif obj.type in ["IfcBeam","IfcColumn","IfcSlab","IfcFooting"]:
nobj = makeStructure(obj.id,shape,obj.type,n)
# roofs
elif obj.type in ["IfcRoof"]:
nobj = makeRoof(obj.id,shape,n)
# furniture
elif obj.type in ["IfcFurnishingElement"]:
nobj = FreeCAD.ActiveDocument.addObject("Part::Feature",n)
nobj.Shape = shape
# sites
elif obj.type in ["IfcSite"]:
nobj = makeSite(obj.id,shape,n)
# spaces
elif obj.type in ["IfcSpace"]:
nobj = makeSpace(obj.id,shape,n)
elif shape:
# treat as dumb parts
#if DEBUG: print "Fixme: Shape-containing object not handled: ",obj.id, " ", obj.type
nobj = FreeCAD.ActiveDocument.addObject("Part::Feature",n)
nobj.Shape = shape
else:
# treat as meshes
if DEBUG: print "Warning: Object without shape: ",obj.id, " ", obj.type
me,pl = getMesh(obj)
nobj = FreeCAD.ActiveDocument.addObject("Mesh::Feature",n)
nobj.Mesh = me
nobj.Placement = pl
# registering object number and parent
if obj.parent_id > 0:
ifcParents[obj.id] = [obj.parent_id,not (obj.type in subtractiveTypes)]
ifcObjects[obj.id] = nobj
if not IfcImport.Next():
break
# processing non-geometry and relationships
parents_temp = dict(ifcParents)
import ArchCommands
while parents_temp:
id, c = parents_temp.popitem()
parent_id = c[0]
additive = c[1]
if (id <= 0) or (parent_id <= 0):
# root dummy object
parent = None
elif parent_id in ifcObjects:
parent = ifcObjects[parent_id]
# check if parent is a subtraction, if yes parent to grandparent
if parent_id in ifcParents:
if ifcParents[parent_id][1] == False:
grandparent_id = ifcParents[parent_id][0]
if grandparent_id in ifcObjects:
parent = ifcObjects[grandparent_id]
else:
# creating parent if needed
parent_ifcobj = IfcImport.GetObject(parent_id)
if DEBUG: print "["+str(int((float(parent_ifcobj.id)/num_lines)*100))+"%] parsing ",parent_ifcobj.id,": ",parent_ifcobj.name," of type ",parent_ifcobj.type
n = getName(parent_ifcobj)
if parent_ifcobj.id <= 0:
parent = None
elif parent_ifcobj.type == "IfcBuildingStorey":
parent = Arch.makeFloor(name=n)
parent.Label = n
elif parent_ifcobj.type == "IfcBuilding":
parent = Arch.makeBuilding(name=n)
parent.Label = n
elif parent_ifcobj.type == "IfcSite":
parent = Arch.makeSite(name=n)
parent.Label = n
elif parent_ifcobj.type == "IfcWindow":
parent = Arch.makeWindow(name=n)
parent.Label = n
else:
if DEBUG: print "Fixme: skipping unhandled parent: ", parent_ifcobj.id, " ", parent_ifcobj.type
parent = None
# registering object number and parent
if parent_ifcobj.parent_id > 0:
ifcParents[parent_ifcobj.id] = [parent_ifcobj.parent_id,True]
parents_temp[parent_ifcobj.id] = [parent_ifcobj.parent_id,True]
if parent and (not parent_ifcobj.id in ifcObjects):
ifcObjects[parent_ifcobj.id] = parent
# attributing parent
if parent and (id in ifcObjects):
if ifcObjects[id]:
if additive:
ArchCommands.addComponents(ifcObjects[id],parent)
else:
ArchCommands.removeComponents(ifcObjects[id],parent)
IfcImport.CleanUp()
else:
# use only the internal python parser
FreeCAD.Console.PrintWarning(str(translate("Arch","IfcOpenShell not found or disabled, falling back on internal parser.\n")))
schema=getSchema()
if schema:
if DEBUG: global ifc
if DEBUG: print "opening",filename,"..."
ifc = ifcReader.IfcDocument(filename,schema=schema,debug=DEBUG)
else:
FreeCAD.Console.PrintWarning(str(translate("Arch","IFC Schema not found, IFC import disabled.\n")))
return None
t2 = time.time()
if DEBUG: print "Successfully loaded",ifc,"in %s s" % ((t2-t1))
# getting walls
for w in ifc.getEnt("IfcWallStandardCase"):
nobj = makeWall(w)
# getting windows and doors
for w in (ifc.getEnt("IfcWindow") + ifc.getEnt("IfcDoor")):
nobj = makeWindow(w)
# getting structs
for w in (ifc.getEnt("IfcSlab") + ifc.getEnt("IfcBeam") + ifc.getEnt("IfcColumn") \
+ ifc.getEnt("IfcFooting")):
nobj = makeStructure(w)
# getting floors
for f in ifc.getEnt("IfcBuildingStorey"):
group(f,ifc,"Floor")
# getting buildings
for b in ifc.getEnt("IfcBuilding"):
group(b,ifc,"Building")
# getting sites
for s in ifc.getEnt("IfcSite"):
group(s,ifc,"Site")
if DEBUG: print "done parsing. Recomputing..."
FreeCAD.ActiveDocument.recompute()
t3 = time.time()
if DEBUG: print "done processing IFC file in %s s" % ((t3-t1))
return None
def read(filename):
"Parses an IFC file"
# parsing the IFC file
t1 = time.time()
num_lines = sum(1 for line in pyopen(filename))
if getIfcOpenShell() and not FORCE_PYTHON_PARSER:
# use the IfcOpenShell parser
# preparing IfcOpenShell
if DEBUG: global ifcObjects, ifcParents
ifcObjects = {} # a table to relate ifc id with freecad object
ifcParents = {} # a table to relate ifc id with parent id
if hasattr(IfcImport,
"DISABLE_OPENING_SUBTRACTIONS") and SEPARATE_OPENINGS:
IfcImport.Settings(IfcImport.DISABLE_OPENING_SUBTRACTIONS, True)
else:
SKIP.append("IfcOpeningElement")
useShapes = False
if hasattr(IfcImport, "USE_BREP_DATA"):
IfcImport.Settings(IfcImport.USE_BREP_DATA, True)
useShapes = True
else:
if DEBUG:
print "Warning: IfcOpenShell version very old, unable to handle Brep data"
# processing geometry
if IfcImport.Init(filename):
while True:
obj = IfcImport.Get()
if DEBUG:
print "[" + str(
int((float(obj.id) / num_lines) * 100)
) + "%] parsing ", obj.id, ": ", obj.name, " of type ", obj.type
# retrieving name
n = getName(obj)
# skip types
if obj.type in SKIP:
if DEBUG: print "skipping because type is in skip list"
nobj = None
else:
# build shape
shape = None
if useShapes:
shape = getShape(obj)
# walls
if obj.type in ["IfcWallStandardCase", "IfcWall"]:
nobj = makeWall(obj.id, shape, n)
# windows
elif obj.type in ["IfcWindow", "IfcDoor"]:
nobj = makeWindow(obj.id, shape, n)
# structs
elif obj.type in [
"IfcBeam", "IfcColumn", "IfcSlab", "IfcFooting"
]:
nobj = makeStructure(obj.id, shape, n)
# roofs
elif obj.type in ["IfcRoof"]:
nobj = makeRoof(obj.id, shape, n)
# furniture
elif obj.type in ["IfcFurnishingElement"]:
nobj = FreeCAD.ActiveDocument.addObject(
"Part::Feature", n)
nobj.Shape = shape
# sites
elif obj.type in ["IfcSite"]:
nobj = makeSite(obj.id, shape, n)
# spaces
elif obj.type in ["IfcSpace"]:
nobj = makeSpace(obj.id, shape, n)
elif shape:
# treat as dumb parts
#if DEBUG: print "Fixme: Shape-containing object not handled: ",obj.id, " ", obj.type
nobj = FreeCAD.ActiveDocument.addObject(
"Part::Feature", n)
nobj.Shape = shape
else:
# treat as meshes
if DEBUG:
print "Warning: Object without shape: ", obj.id, " ", obj.type
me, pl = getMesh(obj)
nobj = FreeCAD.ActiveDocument.addObject(
"Mesh::Feature", n)
nobj.Mesh = me
nobj.Placement = pl
# registering object number and parent
if obj.parent_id > 0:
ifcParents[obj.id] = [
obj.parent_id, not (obj.type in subtractiveTypes)
]
ifcObjects[obj.id] = nobj
if not IfcImport.Next():
break
# processing non-geometry and relationships
parents_temp = dict(ifcParents)
import ArchCommands
while parents_temp:
id, c = parents_temp.popitem()
parent_id = c[0]
additive = c[1]
if (id <= 0) or (parent_id <= 0):
# root dummy object
parent = None
elif parent_id in ifcObjects:
parent = ifcObjects[parent_id]
# check if parent is a subtraction, if yes parent to grandparent
if parent_id in ifcParents:
if ifcParents[parent_id][1] == False:
grandparent_id = ifcParents[parent_id][0]
if grandparent_id in ifcObjects:
parent = ifcObjects[grandparent_id]
else:
# creating parent if needed
parent_ifcobj = IfcImport.GetObject(parent_id)
if DEBUG:
print "[" + str(
int((float(parent_ifcobj.id) / num_lines) * 100)
) + "%] parsing ", parent_ifcobj.id, ": ", parent_ifcobj.name, " of type ", parent_ifcobj.type
n = getName(parent_ifcobj)
if parent_ifcobj.id <= 0:
parent = None
elif parent_ifcobj.type == "IfcBuildingStorey":
parent = Arch.makeFloor(name=n)
elif parent_ifcobj.type == "IfcBuilding":
parent = Arch.makeBuilding(name=n)
elif parent_ifcobj.type == "IfcSite":
parent = Arch.makeSite(name=n)
elif parent_ifcobj.type == "IfcWindow":
parent = Arch.makeWindow(name=n)
else:
if DEBUG:
print "Fixme: skipping unhandled parent: ", parent_ifcobj.id, " ", parent_ifcobj.type
parent = None
# registering object number and parent
if parent_ifcobj.parent_id > 0:
ifcParents[parent_ifcobj.id] = [
parent_ifcobj.parent_id, True
]
parents_temp[parent_ifcobj.id] = [
parent_ifcobj.parent_id, True
]
if parent and (not parent_ifcobj.id in ifcObjects):
ifcObjects[parent_ifcobj.id] = parent
# attributing parent
if parent and (id in ifcObjects):
if ifcObjects[id]:
if additive:
ArchCommands.addComponents(ifcObjects[id], parent)
else:
ArchCommands.removeComponents(ifcObjects[id], parent)
IfcImport.CleanUp()
else:
# use only the internal python parser
FreeCAD.Console.PrintWarning(
str(
translate(
"Arch",
"IfcOpenShell not found, falling back on internal parser.\n"
)))
schema = getSchema()
if schema:
if DEBUG: global ifc
if DEBUG: print "opening", filename, "..."
ifc = ifcReader.IfcDocument(filename, schema=schema, debug=DEBUG)
else:
FreeCAD.Console.PrintWarning(
str(
translate("Arch",
"IFC Schema not found, IFC import disabled.\n")))
return None
t2 = time.time()
if DEBUG: print "Successfully loaded", ifc, "in %s s" % ((t2 - t1))
# getting walls
for w in ifc.getEnt("IfcWallStandardCase"):
nobj = makeWall(w)
# getting windows and doors
for w in (ifc.getEnt("IfcWindow") + ifc.getEnt("IfcDoor")):
nobj = makeWindow(w)
# getting structs
for w in (ifc.getEnt("IfcSlab") + ifc.getEnt("IfcBeam") + ifc.getEnt("IfcColumn") \
+ ifc.getEnt("IfcFooting")):
nobj = makeStructure(w)
# getting floors
for f in ifc.getEnt("IfcBuildingStorey"):
group(f, ifc, "Floor")
# getting buildings
for b in ifc.getEnt("IfcBuilding"):
group(b, ifc, "Building")
# getting sites
for s in ifc.getEnt("IfcSite"):
group(s, ifc, "Site")
if DEBUG: print "done parsing. Recomputing..."
FreeCAD.ActiveDocument.recompute()
t3 = time.time()
if DEBUG: print "done processing IFC file in %s s" % ((t3 - t1))
return None
def read(filename):
"Parses an IFC file"
# parsing the IFC file
t1 = time.time()
processedIds = []
if getIfcOpenShell() and not FORCE_PYTHON_PARSER:
# use the IfcOpenShell parser
# check for IFcOpenShellVersion
global IOC_ADVANCED
if hasattr(IfcImport,"IfcFile"):
IOC_ADVANCED = True
else:
IOC_ADVANCED = False
# preparing IfcOpenShell
if DEBUG: global ifcObjects,ifcParents
ifcObjects = {} # a table to relate ifc id with freecad object
ifcParents = {} # a table to relate ifc id with parent id
if SEPARATE_OPENINGS:
if hasattr(IfcImport,"DISABLE_OPENING_SUBTRACTIONS"):
IfcImport.Settings(IfcImport.DISABLE_OPENING_SUBTRACTIONS,True)
else:
SKIP.append("IfcOpeningElement")
useShapes = False
if IOC_ADVANCED:
useShapes = True
elif hasattr(IfcImport,"USE_BREP_DATA"):
IfcImport.Settings(IfcImport.USE_BREP_DATA,True)
useShapes = True
else:
if DEBUG: print "Warning: IfcOpenShell version very old, unable to handle Brep data"
# opening file
if IOC_ADVANCED:
global ifc
ifc = IfcImport.open(filename)
objects = ifc.by_type("IfcProduct")
num_lines = len(objects)
relations = ifc.by_type("IfcRelAggregates") + ifc.by_type("IfcRelContainedInSpatialStructure") + ifc.by_type("IfcRelVoidsElement")
if not objects:
print "Error opening IFC file"
return
else:
num_lines = sum(1 for line in pyopen(filename))
if not IfcImport.Init(filename):
print "Error opening IFC file"
return
# processing geometry
idx = 0
while True:
if IOC_ADVANCED:
obj = objects[idx]
idx += 1
objid = int(str(obj).split("=")[0].strip("#"))
objname = obj.get_argument(obj.get_argument_index("Name"))
objtype = str(obj).split("=")[1].split("(")[0]
objparentid = -1
for r in relations:
if r.is_a("IfcRelAggregates"):
for c in getAttr(r,"RelatedObjects"):
if str(obj) == str(c):
objparentid = int(str(getAttr(r,"RelatingObject")).split("=")[0].strip("#"))
elif r.is_a("IfcRelContainedInSpatialStructure"):
for c in getAttr(r,"RelatedElements"):
if str(obj) == str(c):
objparentid = int(str(getAttr(r,"RelatingStructure")).split("=")[0].strip("#"))
elif r.is_a("IfcRelVoidsElement"):
if str(obj) == str(getAttr(r,"RelatedOpeningElement")):
objparentid = int(str(getAttr(r,"RelatingBuildingElement")).split("=")[0].strip("#"))
else:
if hasattr(IfcImport, 'GetBrepData'):
obj = IfcImport.GetBrepData()
else:
obj = IfcImport.Get()
objid = obj.id
idx = objid
objname = obj.name
objtype = obj.type
objparentid = obj.parent_id
if DEBUG: print "["+str(int((float(idx)/num_lines)*100))+"%] parsing ",objid,": ",objname," of type ",objtype
# retrieving name
n = getCleanName(objname,objid,objtype)
# skip types
if objtype in SKIP:
if DEBUG: print "skipping because type is in skip list"
nobj = None
# check if object was already processed, to workaround an ifcopenshell bug
elif objid in processedIds:
if DEBUG: print "skipping because this object was already processed"
else:
# build shape
shape = None
if useShapes:
shape = getShape(obj,objid)
# walls
if objtype in ["IfcWallStandardCase","IfcWall"]:
nobj = makeWall(objid,shape,n)
# windows
elif objtype in ["IfcWindow","IfcDoor"]:
nobj = makeWindow(objid,shape,n)
# structs
elif objtype in ["IfcBeam","IfcColumn","IfcSlab","IfcFooting"]:
nobj = makeStructure(objid,shape,objtype,n)
# roofs
elif objtype in ["IfcRoof"]:
nobj = makeRoof(objid,shape,n)
# furniture
elif objtype in ["IfcFurnishingElement"]:
nobj = FreeCAD.ActiveDocument.addObject("Part::Feature",n)
nobj.Shape = shape
# sites
elif objtype in ["IfcSite"]:
nobj = makeSite(objid,shape,n)
# floors
elif objtype in ["IfcBuildingStorey"]:
nobj = Arch.makeFloor(name=n)
nobj.Label = n
# floors
elif objtype in ["IfcBuilding"]:
nobj = Arch.makeBuilding(name=n)
nobj.Label = n
# spaces
elif objtype in ["IfcSpace"]:
nobj = makeSpace(objid,shape,n)
elif shape:
# treat as dumb parts
#if DEBUG: print "Fixme: Shape-containing object not handled: ",obj.id, " ", obj.type
nobj = FreeCAD.ActiveDocument.addObject("Part::Feature",n)
nobj.Label = n
nobj.Shape = shape
else:
# treat as meshes
if DEBUG: print "Warning: Object without shape: ",objid, " ", objtype
if hasattr(obj,"mesh"):
if not hasattr(obj.mesh, 'verts'):
obj = IfcImport.Get() # Get triangulated rep of same product
me,pl = getMesh(obj)
nobj = FreeCAD.ActiveDocument.addObject("Mesh::Feature",n)
nobj.Label = n
nobj.Mesh = me
nobj.Placement = pl
else:
if DEBUG: print "Error: Skipping object without mesh: ",objid, " ", objtype
# registering object number and parent
if objparentid > 0:
ifcParents[objid] = [objparentid,not (objtype in subtractiveTypes)]
ifcObjects[objid] = nobj
processedIds.append(objid)
if IOC_ADVANCED:
if idx >= len(objects):
break
else:
if not IfcImport.Next():
break
# processing non-geometry and relationships
parents_temp = dict(ifcParents)
import ArchCommands
#print parents_temp
while parents_temp:
id, c = parents_temp.popitem()
parent_id = c[0]
additive = c[1]
if (id <= 0) or (parent_id <= 0):
# root dummy object
parent = None
elif parent_id in ifcObjects:
parent = ifcObjects[parent_id]
# check if parent is a subtraction, if yes parent to grandparent
if parent_id in ifcParents:
if ifcParents[parent_id][1] == False:
grandparent_id = ifcParents[parent_id][0]
if grandparent_id in ifcObjects:
parent = ifcObjects[grandparent_id]
else:
# creating parent if needed
if IOC_ADVANCED:
parent_ifcobj = ifc.by_id(parent_id)
parentid = int(str(obj).split("=")[0].strip("#"))
parentname = obj.get_argument(obj.get_argument_index("Name"))
parenttype = str(obj).split("=")[1].split("(")[0]
else:
parent_ifcobj = IfcImport.GetObject(parent_id)
parentid = obj.id
parentname = obj.name
parenttype = obj.type
#if DEBUG: print "["+str(int((float(idx)/num_lines)*100))+"%] parsing ",parentid,": ",parentname," of type ",parenttype
n = getCleanName(parentname,parentid,parenttype)
if parentid <= 0:
parent = None
elif parenttype == "IfcBuildingStorey":
parent = Arch.makeFloor(name=n)
parent.Label = n
elif parenttype == "IfcBuilding":
parent = Arch.makeBuilding(name=n)
parent.Label = n
elif parenttype == "IfcSite":
parent = Arch.makeSite(name=n)
parent.Label = n
elif parenttype == "IfcWindow":
parent = Arch.makeWindow(name=n)
parent.Label = n
else:
if DEBUG: print "Fixme: skipping unhandled parent: ", parentid, " ", parenttype
parent = None
# registering object number and parent
if not IOC_ADVANCED:
if parent_ifcobj.parent_id > 0:
ifcParents[parentid] = [parent_ifcobj.parent_id,True]
parents_temp[parentid] = [parent_ifcobj.parent_id,True]
if parent and (not parentid in ifcObjects):
ifcObjects[parentid] = parent
# attributing parent
if parent and (id in ifcObjects):
if ifcObjects[id] and (ifcObjects[id].Name != parent.Name):
if additive:
if DEBUG: print "adding ",ifcObjects[id].Name, " to ",parent.Name
ArchCommands.addComponents(ifcObjects[id],parent)
else:
if DEBUG: print "removing ",ifcObjects[id].Name, " from ",parent.Name
ArchCommands.removeComponents(ifcObjects[id],parent)
if not IOC_ADVANCED:
IfcImport.CleanUp()
else:
# use only the internal python parser
FreeCAD.Console.PrintWarning(translate("Arch","IfcOpenShell not found or disabled, falling back on internal parser.\n"))
schema=getSchema()
if schema:
if DEBUG: print "opening",filename,"..."
ifc = ifcReader.IfcDocument(filename,schema=schema,debug=DEBUG)
else:
FreeCAD.Console.PrintWarning(translate("Arch","IFC Schema not found, IFC import disabled.\n"))
return None
t2 = time.time()
if DEBUG: print "Successfully loaded",ifc,"in %s s" % ((t2-t1))
# getting walls
for w in ifc.getEnt("IfcWallStandardCase"):
nobj = makeWall(w)
# getting windows and doors
for w in (ifc.getEnt("IfcWindow") + ifc.getEnt("IfcDoor")):
nobj = makeWindow(w)
# getting structs
for w in (ifc.getEnt("IfcSlab") + ifc.getEnt("IfcBeam") + ifc.getEnt("IfcColumn") \
+ ifc.getEnt("IfcFooting")):
nobj = makeStructure(w)
# getting floors
for f in ifc.getEnt("IfcBuildingStorey"):
group(f,ifc,"Floor")
# getting buildings
for b in ifc.getEnt("IfcBuilding"):
group(b,ifc,"Building")
# getting sites
for s in ifc.getEnt("IfcSite"):
group(s,ifc,"Site")
if DEBUG: print "done parsing. Recomputing..."
FreeCAD.ActiveDocument.recompute()
t3 = time.time()
if DEBUG: print "done processing IFC file in %s s" % ((t3-t1))
return None
def read(filename,skip=None):
"Parses an IFC file"
# parsing the IFC file
t1 = time.time()
processedIds = []
skipIds = skip
if not skipIds:
skipIds = []
elif isinstance(skipIds,int):
skipIds = [skipIds]
if getIfcOpenShell() and not FORCE_PYTHON_PARSER:
# use the IfcOpenShell parser
# check for IFcOpenShellVersion
global IFCOPENSHELL5
if hasattr(IfcImport,"IfcFile"):
IFCOPENSHELL5 = True
else:
IFCOPENSHELL5 = False
# preparing IfcOpenShell
if DEBUG: global ifcObjects,ifcParents
ifcObjects = {} # a table to relate ifc id with freecad object
ifcParents = {} # a table to relate ifc id with parent id
if SEPARATE_OPENINGS:
if not IFCOPENSHELL5:
if hasattr(IfcImport,"DISABLE_OPENING_SUBTRACTIONS"):
IfcImport.Settings(IfcImport.DISABLE_OPENING_SUBTRACTIONS,True)
else:
SKIP.append("IfcOpeningElement")
useShapes = False
if IFCOPENSHELL5:
useShapes = True
if hasattr(IfcImport,"clean"):
IfcImport.clean()
elif hasattr(IfcImport,"USE_BREP_DATA"):
IfcImport.Settings(IfcImport.USE_BREP_DATA,True)
useShapes = True
else:
if DEBUG: print "Warning: IfcOpenShell version very old, unable to handle Brep data"
# opening file
if IFCOPENSHELL5:
global ifc
ifc = IfcImport.open(filename)
objects = ifc.by_type("IfcProduct")
num_lines = len(objects)
relations = ifc.by_type("IfcRelAggregates") + ifc.by_type("IfcRelContainedInSpatialStructure") + ifc.by_type("IfcRelVoidsElement")
if not objects:
print "Error opening IFC file"
return
else:
num_lines = sum(1 for line in pyopen(filename))
if not IfcImport.Init(filename):
print "Error opening IFC file"
return
# processing geometry
idx = 0
while True:
objparentid = []
if IFCOPENSHELL5:
obj = objects[idx]
idx += 1
objid = int(str(obj).split("=")[0].strip("#"))
objname = obj.get_argument(obj.get_argument_index("Name"))
objtype = str(obj).split("=")[1].split("(")[0]
for r in relations:
if r.is_a("IfcRelAggregates"):
for c in getAttr(r,"RelatedObjects"):
if str(obj) == str(c):
objparentid.append(int(str(getAttr(r,"RelatingObject")).split("=")[0].strip("#")))
elif r.is_a("IfcRelContainedInSpatialStructure"):
for c in getAttr(r,"RelatedElements"):
if str(obj) == str(c):
objparentid.append(int(str(getAttr(r,"RelatingStructure")).split("=")[0].strip("#")))
elif r.is_a("IfcRelVoidsElement"):
if str(obj) == str(getAttr(r,"RelatedOpeningElement")):
objparentid.append(int(str(getAttr(r,"RelatingBuildingElement")).split("=")[0].strip("#")))
else:
if hasattr(IfcImport, 'GetBrepData'):
obj = IfcImport.GetBrepData()
else:
obj = IfcImport.Get()
objid = obj.id
idx = objid
objname = obj.name
objtype = obj.type
objparentid.append(obj.parent_id)
if DEBUG: print "["+str(int((float(idx)/num_lines)*100))+"%] parsing ",objid,": ",objname," of type ",objtype
# retrieving name
n = getCleanName(objname,objid,objtype)
# skip IDs
if objid in skipIds:
if DEBUG: print " skipping because object ID is in skip list"
nobj = None
# skip types
elif objtype in SKIP:
if DEBUG: print " skipping because type is in skip list"
nobj = None
# check if object was already processed, to workaround an ifcopenshell bug
elif objid in processedIds:
if DEBUG: print " skipping because this object was already processed"
else:
# build shape
shape = None
if useShapes:
shape = getShape(obj,objid)
# walls
if objtype in ["IfcWallStandardCase","IfcWall"]:
nobj = makeWall(objid,shape,n)
# windows
elif objtype in ["IfcWindow","IfcDoor"]:
nobj = makeWindow(objid,shape,n)
# structs
elif objtype in ["IfcBeam","IfcColumn","IfcSlab","IfcFooting"]:
nobj = makeStructure(objid,shape,objtype,n)
# roofs
elif objtype in ["IfcRoof"]:
nobj = makeRoof(objid,shape,n)
# furniture
elif objtype in ["IfcFurnishingElement"]:
nobj = FreeCAD.ActiveDocument.addObject("Part::Feature",n)
nobj.Shape = shape
# sites
elif objtype in ["IfcSite"]:
nobj = makeSite(objid,shape,n)
# floors
elif objtype in ["IfcBuildingStorey"]:
nobj = Arch.makeFloor(name=n)
nobj.Label = n
# floors
elif objtype in ["IfcBuilding"]:
nobj = Arch.makeBuilding(name=n)
nobj.Label = n
# spaces
elif objtype in ["IfcSpace"]:
nobj = makeSpace(objid,shape,n)
elif shape:
# treat as dumb parts
if DEBUG: print "Fixme: Shape-containing object not handled: ",objid, " ", objtype
nobj = FreeCAD.ActiveDocument.addObject("Part::Feature",n)
nobj.Label = n
nobj.Shape = shape
else:
# treat as meshes
if DEBUG: print "Warning: Object without shape: ",objid, " ", objtype
if hasattr(obj,"mesh"):
if not hasattr(obj.mesh, 'verts'):
obj = IfcImport.Get() # Get triangulated rep of same product
me,pl = getMesh(obj)
nobj = FreeCAD.ActiveDocument.addObject("Mesh::Feature",n)
nobj.Label = n
nobj.Mesh = me
nobj.Placement = pl
else:
if DEBUG: print "Error: Skipping object without mesh: ",objid, " ", objtype
# registering object number and parent
if objparentid:
ifcParents[objid] = []
for p in objparentid:
ifcParents[objid].append([p,not (objtype in subtractiveTypes)])
ifcObjects[objid] = nobj
processedIds.append(objid)
if IFCOPENSHELL5:
if idx >= len(objects):
break
else:
if not IfcImport.Next():
break
# processing non-geometry and relationships
parents_temp = dict(ifcParents)
import ArchCommands
#print parents_temp
while parents_temp:
id, comps = parents_temp.popitem()
for c in comps:
parent_id = c[0]
additive = c[1]
if (id <= 0) or (parent_id <= 0):
# root dummy object
parent = None
elif parent_id in ifcObjects:
parent = ifcObjects[parent_id]
# check if parent is a subtraction, if yes parent to grandparent
if parent_id in ifcParents:
for p in ifcParents[parent_id]:
if p[1] == False:
grandparent_id = p[0]
if grandparent_id in ifcObjects:
parent = ifcObjects[grandparent_id]
else:
# creating parent if needed
if IFCOPENSHELL5:
obj = ifc.by_id(parent_id)
parentid = int(str(obj).split("=")[0].strip("#"))
parentname = obj.get_argument(obj.get_argument_index("Name"))
parenttype = str(obj).split("=")[1].split("(")[0]
else:
obj = IfcImport.GetObject(parent_id)
parentid = obj.id
parentname = obj.name
parenttype = obj.type
#if DEBUG: print "["+str(int((float(idx)/num_lines)*100))+"%] parsing ",parentid,": ",parentname," of type ",parenttype
n = getCleanName(parentname,parentid,parenttype)
if parentid <= 0:
parent = None
elif parenttype == "IfcBuildingStorey":
parent = Arch.makeFloor(name=n)
parent.Label = n
elif parenttype == "IfcBuilding":
parent = Arch.makeBuilding(name=n)
parent.Label = n
elif parenttype == "IfcSite":
parent = Arch.makeSite(name=n)
parent.Label = n
elif parenttype == "IfcWindow":
parent = Arch.makeWindow(name=n)
parent.Label = n
elif parenttype == "IfcProject":
parent = None
else:
if DEBUG: print "Fixme: skipping unhandled parent: ", parentid, " ", parenttype
parent = None
# registering object number and parent
if not IFCOPENSHELL5:
if parent_ifcobj.parent_id > 0:
ifcParents[parentid] = [parent_ifcobj.parent_id,True]
parents_temp[parentid] = [parent_ifcobj.parent_id,True]
if parent and (not parentid in ifcObjects):
ifcObjects[parentid] = parent
# attributing parent
if parent and (id in ifcObjects):
if ifcObjects[id] and (ifcObjects[id].Name != parent.Name):
if additive:
if DEBUG: print "adding ",ifcObjects[id].Name, " to ",parent.Name
ArchCommands.addComponents(ifcObjects[id],parent)
else:
if DEBUG: print "removing ",ifcObjects[id].Name, " from ",parent.Name
ArchCommands.removeComponents(ifcObjects[id],parent)
if not IFCOPENSHELL5:
IfcImport.CleanUp()
else:
# use only the internal python parser
FreeCAD.Console.PrintWarning(translate("Arch","IfcOpenShell not found or disabled, falling back on internal parser.\n"))
schema=getSchema()
if schema:
if DEBUG: print "opening",filename,"..."
ifcReader.DEBUG = DEBUG
ifc = ifcReader.IfcDocument(filename,schema=schema)
else:
FreeCAD.Console.PrintWarning(translate("Arch","IFC Schema not found, IFC import disabled.\n"))
return None
t2 = time.time()
if DEBUG: print "Successfully loaded",ifc,"in %s s" % ((t2-t1))
# getting walls
for w in ifc.getEnt("IfcWallStandardCase"):
nobj = makeWall(w)
# getting windows and doors
for w in (ifc.getEnt("IfcWindow") + ifc.getEnt("IfcDoor")):
nobj = makeWindow(w)
# getting structs
for w in (ifc.getEnt("IfcSlab") + ifc.getEnt("IfcBeam") + ifc.getEnt("IfcColumn") \
+ ifc.getEnt("IfcFooting")):
nobj = makeStructure(w)
# getting floors
for f in ifc.getEnt("IfcBuildingStorey"):
group(f,ifc,"Floor")
# getting buildings
for b in ifc.getEnt("IfcBuilding"):
group(b,ifc,"Building")
# getting sites
for s in ifc.getEnt("IfcSite"):
group(s,ifc,"Site")
if DEBUG: print "done parsing. Recomputing..."
FreeCAD.ActiveDocument.recompute()
t3 = time.time()
if DEBUG: print "done processing IFC file in %s s" % ((t3-t1))
return None
