-
-
Notifications
You must be signed in to change notification settings - Fork 3.8k
/
importIFC.py
1151 lines (1021 loc) · 53.2 KB
/
importIFC.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#***************************************************************************
#* *
#* 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"
__url__ = "http://www.freecadweb.org"
import os,time,tempfile,uuid,FreeCAD,Part,Draft,Arch,math,DraftVecUtils
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"],
"Equipment": ["IfcFurnishingElement","IfcSanitaryTerminal","IfcFlowTerminal","IfcElectricAppliance"]
}
# 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'),('$company'),'IfcOpenShell','IfcOpenShell','');
FILE_SCHEMA(('IFC2X3'));
ENDSEC;
DATA;
#1=IFCPERSON($,$,'$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 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 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."""
p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
DEBUG = p.GetBool("ifcDebug",False)
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
if isinstance(filename,unicode):
import sys #workaround since ifcopenshell currently can't handle unicode filenames
filename = filename.encode(sys.getfilesystemencoding())
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 = 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 = ""
else:
t = str(argvalue)
t = " " + str(argname) + " : " + 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]
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)."""
p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
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)
if root:
ROOT_ELEMENT = root
MERGE_MODE = p.GetInt("ifcImportMode",0)
if MERGE_MODE > 0:
SEPARATE_OPENINGS = False
GET_EXTRUSIONS = False
if not SEPARATE_OPENINGS:
SKIP.append("IfcOpeningElement")
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 ifcfile # keeping global for debugging purposes
if isinstance(filename,unicode):
import sys #workaround since ifcopenshell currently can't handle unicode filenames
filename = filename.encode(sys.getfilesystemencoding())
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,...], ... }
subtractions = [] # [ [opening,host], ... ]
properties = {} # { host:[property, ...], ... }
colors = {} # { id:(r,g,b) }
shapes = {} # { id:shaoe } only used for merge mode
mattable = {} # { objid:matid }
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:
if r.RelatingPropertyDefinition.is_a("IfcPropertySet"):
properties.setdefault(obj.id(),[]).extend([e.id() for e in r.RelatingPropertyDefinition.HasProperties])
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[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 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))
# products
for product in products:
pid = product.id()
guid = product.GlobalId
ptype = product.is_a()
if DEBUG: print count,"/",len(products)," creating object ",pid," : ",ptype,
name = str(ptype[3:])
if product.Name:
name = product.Name.decode("unicode_escape").encode("utf8")
if PREFIX_NUMBERS: name = "ID" + str(pid) + " " + name
obj = None
baseobj = None
brep = None
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
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 > 0:
if ptype == "IfcSpace": # do not add spaces to compounds
if DEBUG: print "skipping space ",pid
else:
shapes[pid] = shape
if DEBUG: print shape.Solids
baseobj = shape
else:
if GET_EXTRUSIONS:
ex = Arch.getExtrusionData(shape)
if ex:
print "extrusion ",
baseface = FreeCAD.ActiveDocument.addObject("Part::Feature",name+"_footprint")
baseface.Shape = ex[0]
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 == 0:
# full Arch objects
for freecadtype,ifctypes in typesmap.items():
if ptype in ifctypes:
obj = getattr(Arch,"make"+freecadtype)(baseobj=baseobj,name=name)
obj.Label = name
if FreeCAD.GuiUp and baseobj:
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 == 1:
# 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 == 2:
# 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 hasattr(obj,"IfcAttributes"):
a = obj.IfcAttributes
for p in properties[pid]:
o = ifcfile[p]
if o.is_a("IfcPropertySingleValue"):
a[o.Name.decode("unicode_escape").encode("utf8")] = str(o.NominalValue)
obj.IfcAttributes = a
# color
if FreeCAD.GuiUp and (pid in colors) and hasattr(obj.ViewObject,"ShapeColor"):
if DEBUG: print " setting color: ",colors[pid]
obj.ViewObject.ShapeColor = colors[pid]
# if DEBUG is on, recompute after each shape
if DEBUG: FreeCAD.ActiveDocument.recompute()
count += 1
progressbar.next()
progressbar.stop()
FreeCAD.ActiveDocument.recompute()
if MERGE_MODE == 3:
if DEBUG: print "Joining shapes..."
for host,children in additions.items():
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 shapes
obj = FreeCAD.ActiveDocument.addObject("Part::Feature","Unclaimed")
obj.Shape = Part.makeCompound(shapes.values())
else:
if DEBUG: print "Processing 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..."
for annotation in annotations:
aid = annotation.id()
if aid in skip: continue # user given id skip list
if "IfcAnnotation" in SKIP: continue # preferences-set type skip list
name = "Annotation"
if annotation.Name:
name = annotation.Name.decode("unicode_escape").encode("utf8")
if PREFIX_NUMBERS: name = "ID" + str(aid) + " " + name
shapes2d = []
for repres in annotation.Representation.Representations:
shapes2d.extend(setRepresentation(repres))
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
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.decode("unicode_escape").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"
p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
FORCEBREP = p.GetBool("ifcExportAsBrep",False)
DEBUG = p.GetBool("ifcDebug",False)
try:
global ifcopenshell
import ifcopenshell
except:
FreeCAD.Console.PrintError("IfcOpenShell was not found on this system. IFC support is disabled\n")
return
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
email = ''
if ("@" in owner) and ("<" in owner):
s = owner.split("<")
owner = s[0]
email = s[1].strip(">")
global ifctemplate
ifctemplate = ifctemplate.replace("$version",version[0]+"."+version[1]+" build "+version[2])
ifctemplate = ifctemplate.replace("$owner",owner)
ifctemplate = ifctemplate.replace("$company",FreeCAD.ActiveDocument.Company)
ifctemplate = ifctemplate.replace("$email",email)
ifctemplate = ifctemplate.replace("$now",str(int(time.time())))
ifctemplate = ifctemplate.replace("$projectid",FreeCAD.ActiveDocument.Uid[:22].replace("-","_"))
ifctemplate = ifctemplate.replace("$project",FreeCAD.ActiveDocument.Name)
ifctemplate = ifctemplate.replace("$filename",filename)
ifctemplate = ifctemplate.replace("$timestamp",str(time.strftime("%Y-%m-%dT%H:%M:%S", time.gmtime())))
template = tempfile.mkstemp(suffix=".ifc")[1]
of = pyopen(template,"wb")
of.write(ifctemplate)
of.close()
global ifcfile, surfstyles
ifcfile = ifcopenshell.open(template)
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, ... }
count = 1
# 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)
# setting the IFC type + name conversions
if hasattr(obj,"Role"):
ifctype = obj.Role.replace(" ","")
else:
ifctype = Draft.getType(obj)
if ifctype in translationtable.keys():
ifctype = translationtable[ifctype]
ifctype = "Ifc" + ifctype
if ifctype == "IfcGroup":
continue
ifctypes = []
for v in typesmap.values():
ifctypes.extend(v)
if not ifctype in ifctypes:
ifctype = "IfcBuildingElementProxy"
# getting the "Force BREP" flag
brepflag = False
if hasattr(obj,"IfcAttributes"):
if "FlagForceBrep" in obj.IfcAttributes.keys():
if obj.IfcAttributes["FlagForceBrep"] == "True":
brepflag = True
# getting the representation
representation,placement,shapetype = getRepresentation(ifcfile,context,obj,forcebrep=(brepflag or FORCEBREP))
if DEBUG: print str(count).ljust(3)," : ", ifctype, " (",shapetype,") : ",name
# setting the arguments
args = [uid,history,name,description,None,placement,representation,None]
if ifctype in ["IfcSlab","IfcFooting","IfcRoof"]:
args = args + ["NOTDEFINED"]
elif ifctype in ["IfcWindow","IfcDoor"]:
args = args + [obj.Width.Value/1000.0, obj.Height.Value/1000.0]
elif ifctype == "IfcSpace":
args = args + ["ELEMENT","INTERNAL",obj.Shape.BoundBox.ZMin/1000.0]
elif ifctype == "IfcBuildingElementProxy":
args = args + ["ELEMENT"]
elif ifctype == "IfcSite":
latitude = None
longitude = None
elevation = None
landtitlenumber = None
address = None
args = args + ["ELEMENT",latitude,longitude,elevation,landtitlenumber,address]
elif ifctype == "IfcBuilding":
args = args + ["ELEMENT",None,None,None]
elif ifctype == "IfcBuildingStorey":
args = args + ["ELEMENT",obj.Placement.Base.z]
# creating the product
product = getattr(ifcfile,"create"+ifctype)(*args)
products[obj.Name] = product
# additions
if hasattr(obj,"Additions") and (shapetype == "extrusion"):
for o in obj.Additions:
r2,p2,c2 = getRepresentation(ifcfile,context,o,forcebrep=True)
if DEBUG: print " adding ",c2," : ",str(o.Label)
prod2 = ifcfile.createIfcBuildingElementProxy(ifcopenshell.guid.compress(uuid.uuid1().hex),history,str(o.Label),None,None,p2,r2,None,"ELEMENT")
ifcfile.createIfcRelAggregates(ifcopenshell.guid.compress(uuid.uuid1().hex),history,'Addition','',product,[prod2])
# subtractions
if hasattr(obj,"Subtractions") and (shapetype == "extrusion"):
for o in obj.Subtractions:
r2,p2,c2 = getRepresentation(ifcfile,context,o,forcebrep=True,subtraction=True)
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"]):
r = obj.IfcAttributes[key].strip(")").split("(")
if len(r) == 1:
tp = "IfcText"
val = r[0]
else:
tp = r[0]
val = "(".join(r[1:])
val = val.strip("'")
val = val.strip('"')
if DEBUG: print " property ",key," : ",str(val), " (", str(tp), ")"
if tp in ["IfcLabel","IfcText","IfcIdentifier"]:
val = str(val)
elif tp == "IfcBoolean":
if val == ".T.":
val = True
else:
val = False
elif tp == "IfcInteger":
val = int(val)
else:
val = float(val)
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
sites = []
buildings = []
floors = []
for site in Draft.getObjectsOfType(objectslist,"Site"):
for building in Draft.getObjectsOfType(site.Group,"Building"):
for floor in Draft.getObjectsOfType(building.Group,"Floor"):
children = Draft.getGroupContents(floor,walls=True)
children = Arch.pruneIncluded(children)
children = [products[c.Name] for c in children if c.Name in products.keys()]
floor = products[floor.Name]
ifcfile.createIfcRelContainedInSpatialStructure(ifcopenshell.guid.compress(uuid.uuid1().hex),history,'StoreyLink','',children,floor)
floors.append(floor)
building = products[building.Name]
if floors:
ifcfile.createIfcRelAggregates(ifcopenshell.guid.compress(uuid.uuid1().hex),history,'BuildingLink','',building,floors)
buildings.append(building)
site = products[site.Name]
if buildings:
ifcfile.createIfcRelAggregates(ifcopenshell.guid.compress(uuid.uuid1().hex),history,'SiteLink','',site,buildings)
sites.append(site)
if not sites:
if DEBUG: print "adding default site"
sites = [ifcfile.createIfcSite(ifcopenshell.guid.compress(uuid.uuid1().hex),history,"Default Site",'',None,None,None,None,"ELEMENT",None,None,None,None,None)]
ifcfile.createIfcRelAggregates(ifcopenshell.guid.compress(uuid.uuid1().hex),history,'ProjectLink','',project,sites)
if not buildings:
if DEBUG: print "adding default building"
buildings = [ifcfile.createIfcBuilding(ifcopenshell.guid.compress(uuid.uuid1().hex),history,"Default Building",'',None,None,None,None,"ELEMENT",None,None,None)]
ifcfile.createIfcRelAggregates(ifcopenshell.guid.compress(uuid.uuid1().hex),history,'SiteLink','',sites[0],buildings)
ifcfile.createIfcRelContainedInSpatialStructure(ifcopenshell.guid.compress(uuid.uuid1().hex),history,'BuildingLink','',products.values(),buildings[0])
# materials
materials = {}
for m in Arch.getDocumentMaterials():
mat = ifcfile.createIfcMaterial(m.Label.encode("utf8"))
materials[m.Label] = mat
if "Color" in m.Material:
rgb = tuple([float(f) for f in m.Material['Color'].strip("()").split(",")])
col = ifcfile.createIfcColourRgb(None,rgb[0],rgb[1],rgb[2])
ssr = ifcfile.createIfcSurfaceStyleRendering(col,None,None,None,None,None,None,None,"FLAT")
iss = ifcfile.createIfcSurfaceStyle(None,"BOTH",[ssr])
psa = ifcfile.createIfcPresentationStyleAssignment([iss])
isi = ifcfile.createIfcStyledItem(None,[psa],None)
isr = ifcfile.createIfcStyledRepresentation(context,"Style","Material",[isi])
imd = ifcfile.createIfcMaterialDefinitionRepresentation(None,None,[isr],mat)
relobjs = []
for o in m.InList:
if hasattr(o,"BaseMaterial"):
if o.BaseMaterial:
if o.BaseMaterial.Name == m.Name:
if o.Name in products:
relobjs.append(products[o.Name])
if relobjs:
ifcfile.createIfcRelAssociatesMaterial(ifcopenshell.guid.compress(uuid.uuid1().hex),history,'MaterialLink','',relobjs,mat)
if DEBUG: print "writing ",filename,"..."
ifcfile.write(filename)
def getRepresentation(ifcfile,context,obj,forcebrep=False,subtraction=False,tessellation=1):
"""returns an IfcShapeRepresentation object or None"""
import Part,math,DraftGeomUtils,DraftVecUtils
shapes = []
placement = None
productdef = None
shapetype = "no shape"
if not forcebrep:
profile = None
if hasattr(obj,"Proxy"):
if hasattr(obj.Proxy,"getProfiles"):
p = obj.Proxy.getProfiles(obj,noplacement=True)
extrusionv = obj.Proxy.getExtrusionVector(obj,noplacement=True)
if not DraftVecUtils.isNull(extrusionv):
extrusionv.multiply(0.001) # to meters
if (len(p) == 1) and extrusionv:
p = p[0]
p.scale(0.001) # to meters
r = obj.Proxy.getPlacement(obj)
r.Base = r.Base.multiply(0.001) # to meters
if len(p.Edges) == 1:
pxvc = ifcfile.createIfcDirection((1.0,0.0))
povc = ifcfile.createIfcCartesianPoint((0.0,0.0))
pt = ifcfile.createIfcAxis2Placement2D(povc,pxvc)
# extruded circle
if isinstance(p.Edges[0].Curve,Part.Circle):
profile = ifcfile.createIfcCircleProfileDef("AREA",None,pt, p.Edges[0].Curve.Radius)
# extruded ellipse
elif isinstance(p.Edges[0].Curve,Part.Ellipse):
profile = ifcfile.createIfcEllipseProfileDef("AREA",None,pt, p.Edges[0].Curve.MajorRadius, p.Edges[0].Curve.MinorRadius)
else:
curves = False
for e in p.Edges:
if isinstance(e.Curve,Part.Circle):
curves = True
# extruded polyline
if not curves:
w = Part.Wire(DraftGeomUtils.sortEdges(p.Edges))
pts = [ifcfile.createIfcCartesianPoint(tuple(v.Point)[:2]) for v in w.Vertexes+[w.Vertexes[0]]]
pol = ifcfile.createIfcPolyline(pts)
# extruded composite curve
else:
segments = []
last = None
edges = DraftGeomUtils.sortEdges(p.Edges)
for e in edges:
if isinstance(e.Curve,Part.Circle):
follow = True
if last:
if not DraftVecUtils.equals(last,e.Vertexes[0].Point):
follow = False
last = e.Vertexes[0].Point
else:
last = e.Vertexes[-1].Point
else:
last = e.Vertexes[-1].Point
p1 = math.degrees(-DraftVecUtils.angle(e.Vertexes[0].Point.sub(e.Curve.Center)))
p2 = math.degrees(-DraftVecUtils.angle(e.Vertexes[-1].Point.sub(e.Curve.Center)))
da = DraftVecUtils.angle(e.valueAt(e.FirstParameter+0.1).sub(e.Curve.Center),e.Vertexes[0].Point.sub(e.Curve.Center))
if p1 < 0:
p1 = 360 + p1
if p2 < 0:
p2 = 360 + p2
if da > 0:
follow = not(follow)
xvc = ifcfile.createIfcDirection((1.0,0.0))
ovc = ifcfile.createIfcCartesianPoint(tuple(e.Curve.Center)[:2])
plc = ifcfile.createIfcAxis2Placement2D(ovc,xvc)
cir = ifcfile.createIfcCircle(plc,e.Curve.Radius)
curve = ifcfile.createIfcTrimmedCurve(cir,[ifcfile.createIfcParameterValue(p1)],[ifcfile.createIfcParameterValue(p2)],follow,"PARAMETER")
else:
verts = [vertex.Point for vertex in e.Vertexes]
if last:
if not DraftVecUtils.equals(last,verts[0]):
verts.reverse()
last = e.Vertexes[0].Point
else:
last = e.Vertexes[-1].Point
else:
last = e.Vertexes[-1].Point
pts = [ifcfile.createIfcCartesianPoint(tuple(v)[:2]) for v in verts]
curve = ifcfile.createIfcPolyline(pts)
segment = ifcfile.createIfcCompositeCurveSegment("CONTINUOUS",True,curve)
segments.append(segment)
pol = ifcfile.createIfcCompositeCurve(segments,False)
profile = ifcfile.createIfcArbitraryClosedProfileDef("AREA",None,pol)
if profile:
xvc = ifcfile.createIfcDirection(tuple(r.Rotation.multVec(FreeCAD.Vector(1,0,0))))
zvc = ifcfile.createIfcDirection(tuple(r.Rotation.multVec(FreeCAD.Vector(0,0,1))))
ovc = ifcfile.createIfcCartesianPoint(tuple(r.Base))
lpl = ifcfile.createIfcAxis2Placement3D(ovc,zvc,xvc)
edir = ifcfile.createIfcDirection(tuple(FreeCAD.Vector(extrusionv).normalize()))
shape = ifcfile.createIfcExtrudedAreaSolid(profile,lpl,edir,extrusionv.Length)
shapes.append(shape)
solidType = "SweptSolid"
shapetype = "extrusion"
if not shapes:
# brep representation
fcshape = None
solidType = "Brep"
if subtraction:
if hasattr(obj,"Proxy"):
if hasattr(obj.Proxy,"getSubVolume"):
fcshape = obj.Proxy.getSubVolume(obj)