def insert(filename, docname=None, preferences=None):
"""imports the contents of an IFC file in the given document"""
import ifcopenshell
from ifcopenshell import geom
# reset global values
global layers
global materials
global objects
global adds
global subs
layers = {}
materials = {}
objects = {}
adds = {}
subs = {}
# statistics
starttime = time.time() # in seconds
filesize = os.path.getsize(filename) * 0.000001 # in megabytes
print("Opening", filename + ",", round(filesize, 2), "Mb")
# setup ifcopenshell
if not preferences:
preferences = importIFC.getPreferences()
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 preferences['SEPARATE_OPENINGS']:
settings.set(settings.DISABLE_OPENING_SUBTRACTIONS, True)
if preferences['SPLIT_LAYERS'] and hasattr(settings, "APPLY_LAYERSETS"):
settings.set(settings.APPLY_LAYERSETS, True)
# setup document
if not FreeCAD.ActiveDocument:
if not docname:
docname = os.path.splitext(os.path.basename(filename))[0]
doc = FreeCAD.newDocument(docname)
doc.Label = docname
FreeCAD.setActiveDocument(doc.Name)
# open the file
ifcfile = ifcopenshell.open(filename)
progressbar = Base.ProgressIndicator()
productscount = len(ifcfile.by_type("IfcProduct"))
progressbar.start("Importing " + str(productscount) + " products...",
productscount)
cores = preferences["MULTICORE"]
iterator = ifcopenshell.geom.iterator(settings, ifcfile, cores)
iterator.initialize()
count = 0
# process objects
while True:
item = iterator.get()
if item:
brep = item.geometry.brep_data
ifcproduct = ifcfile.by_id(item.guid)
obj = createProduct(ifcproduct, brep)
progressbar.next(True)
writeProgress(count, productscount, starttime)
count += 1
if not iterator.next():
break
# post-processing
processRelationships()
storeColorDict()
# finished
progressbar.stop()
FreeCAD.ActiveDocument.recompute()
endtime = round(time.time() - starttime, 1)
fs = round(filesize, 1)
ratio = int(endtime / filesize)
endtime = "%02d:%02d" % (divmod(endtime, 60))
writeProgress() # this cleans the line
print("Finished importing", fs, "Mb in", endtime, "s, or", ratio, "s/Mb")
return FreeCAD.ActiveDocument
def getsettings(self):
return importIFC.getPreferences()