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Arch: implemented reading & writing of Ifc properties in IFC files

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Yorik van Havre
2014-12-31 18:35:39 -02:00
parent 4377a3100f
commit 547da23712
1 changed files with 43 additions and 2 deletions
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45
src/Mod/Arch/importIFC.py
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@@ -255,12 +255,16 @@ def insert(filename,docname,skip=[]):
objects = {} # { id:object, ... }
additions = {} # { host:[child,...], ... }
subtractions = [] # [ [opening,host], ... ]
properties = {} # { host:[property, ...], ... }
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("IfcRelVoidsElement"):
subtractions.append([r.RelatedOpeningElement.id(), r.RelatingBuildingElement.id()])
for r in ifcfile.by_type("IfcRelDefinesByProperties"):
for obj in r.RelatedObjects:
properties.setdefault(obj.id(),[]).extend([e.id() for e in r.RelatingPropertyDefinition.HasProperties])
# products
for product in products:
@@ -311,6 +315,15 @@ def insert(filename,docname,skip=[]):
sols = str(baseobj.Shape.Solids) if hasattr(baseobj,"Shape") else ""
if DEBUG: print "creating object ",pid," : ",ptype, " with shape: ",sh," ",sols
objects[pid] = obj
# properties
if pid in properties:
if hasattr(obj,"IfcAttributes"):
a = obj.IfcAttributes
for p in properties[pid]:
o = ifcfile[p]
a[o.Name] = str(o.NominalValue)
obj.IfcAttributes = a
# subtractions
if SEPARATE_OPENINGS:
@@ -325,6 +338,7 @@ def insert(filename,docname,skip=[]):
if cobs:
Arch.addComponents(cobs,objects[host])
FreeCAD.ActiveDocument.recompute()
# cleaning bad shapes
@@ -345,7 +359,7 @@ def export(exportList,filename):
p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
FORCEBREP = p.GetBool("ifcExportAsBrep",False)
DEBUG = p.GetBool("ifcDebug",False)
DEBUG = p.GetBool("ifcDebug",False)
try:
global ifcopenshell
@@ -354,6 +368,10 @@ def export(exportList,filename):
if DEBUG: print "using legacy exporter"
import importIFClegacy
return importIFClegacy.export(exportList,filename)
if isinstance(filename,unicode):
import sys #workaround since ifcopenshell currently can't handle unicode filenames
filename = filename.encode(sys.getfilesystemencoding())
version = FreeCAD.Version()
owner = FreeCAD.ActiveDocument.CreatedBy
@@ -470,7 +488,30 @@ def export(exportList,filename):
if DEBUG: print " subtracting ",c2," : ",str(o.Label)
prod2 = ifcfile.createIfcOpeningElement(ifcopenshell.guid.compress(uuid.uuid1().hex),history,str(o.Label),None,None,p2,r2,None)
ifcfile.createIfcRelVoidsElement(ifcopenshell.guid.compress(uuid.uuid1().hex),history,'Subtraction','',product,prod2)
# properties
if hasattr(obj,"IfcAttributes"):
props = []
for key in obj.IfcAttributes:
if not (key in ["IfcUID","FlagForceBrep"]):
tp,val = obj.IfcAttributes[key].strip(")").split("(")
val = val.strip("'")
val = val.strip('"')
if tp == "IfcLabel":
val = str(val)
elif tp == "IfcBoolean":
if val == ".T.":
val = True
else:
val = False
else:
val = float(val)
if DEBUG: print " property ",key," : ",str(val), " (", str(tp), ")"
props.append(ifcfile.createIfcPropertySingleValue(str(key),None,ifcfile.create_entity(str(tp),val),None))
if props:
pset = ifcfile.createIfcPropertySet(ifcopenshell.guid.compress(uuid.uuid1().hex),history,'PropertySet',None,props)
ifcfile.createIfcRelDefinesByProperties(ifcopenshell.guid.compress(uuid.uuid1().hex),history,None,None,[product],pset)
count += 1
# relationships