Below is the comparison of reading IfcGloballyUniqueId
from IFC file by using
ifcopenshell
(Python2.7) in different OS.
Download IFC file: GNE_TDP202.ifc
On Ubuntu:
root@98a1aa8ab4a9:/share# lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.2 LTS Release: 18.04 Codename: bionic root@98a1aa8ab4a9:/share# ipython Python 2.7.15rc1 (default, Nov 12 2018, 14:31:15) Type "copyright", "credits" or "license" for more information. IPython 5.8.0 -- An enhanced Interactive Python. ? -> Introduction and overview of IPython's features. %quickref -> Quick reference. help -> Python's own help system. object? -> Details about 'object', use 'object??' for extra details. In [1]: import ifcopenshell as ifc In [2]: f = ifc.open("GNE_TDP202.ifc") In [3]: products = f.by_type("ifcproduct") In [4]: products Out[4]: [#22=IfcSite('2oAZ$Cu_aHwBkVc2Blr0Hl',#5,'GNE College','',$,$,$,$,.ELEMENT.,(30,51,31),(75,51,37),0.245512,$,#21), #23=IfcBuilding('2oAZ$Du_aHwBkVc2Blr0Hl',#5,'Nanak Tower II','',$,$,$,$,.ELEMENT.,$,$,$), #108=IfcGrid('2oAZ$Fu_aHwBkVc2Blr0Hl',#5,'Axes','',$,#104,#107,(#27,#31,#35,#39),(#43,#47,#51,#55,#59,#63,#67,#71,#75,#79,#83,#87,#91,#95,#99,#103),$), #126=IfcBuildingStorey('2oAZ$Hu_aHwBkVc2Blr0Hl',#5,'Level 0','',$,$,$,$,.ELEMENT.,0.), #127=IfcBuildingElementProxy('2oAZ$Iu_aHwBkVc2Blr0Hl',#5,'WPProxy','',$,$,$,$,.ELEMENT.), #128=IfcBuildingStorey('2oAZ$Ju_aHwBkVc2Blr0Hl',#5,'Level 1','',$,$,$,$,.ELEMENT.,3.6), #129=IfcBuildingElementProxy('2oAZ$Ku_aHwBkVc2Blr0Hl',#5,'WPProxy001','',$,$,$,$,.ELEMENT.), #130=IfcBuildingStorey('2oAZ$Lu_aHwBkVc2Blr0Hl',#5,'Level 2','',$,$,$,$,.ELEMENT.,7.2), #131=IfcBuildingElementProxy('2oAZ$Mu_aHwBkVc2Blr0Hl',#5,'WPProxy002','',$,$,$,$,.ELEMENT.), #132=IfcBuildingStorey('2oAZ$Nu_aHwBkVc2Blr0Hl',#5,'Level 3','',$,$,$,$,.ELEMENT.,10.8), #133=IfcBuildingElementProxy('2oAZ$Ou_aHwBkVc2Blr0Hl',#5,'WPProxy003','',$,$,$,$,.ELEMENT.), #134=IfcBuildingStorey('2oAZ$Pu_aHwBkVc2Blr0Hl',#5,'Level 4','',$,$,$,$,.ELEMENT.,14.4), #135=IfcBuildingElementProxy('2oAZ$Qu_aHwBkVc2Blr0Hl',#5,'WPProxy004','',$,$,$,$,.ELEMENT.), #179=IfcAnnotation('2oAZ$du_aHwBkVc2Blr0Hl',#5,'Building Outline','',$,#9,#178), #187=IfcAnnotation('2oAZ$eu_aHwBkVc2Blr0Hl',#5,'Building Label','',$,#9,#186)] In [5]: entity = products[0] In [6]: entity Out[6]: #22=IfcSite('2oAZ$Cu_aHwBkVc2Blr0Hl',#5,'GNE College','',$,$,$,$,.ELEMENT.,(30,51,31),(75,51,37),0.245512,$,#21) In [7]: entity.GlobalId Out[7]: u'\U006f0032\U005a0041\U00430024\U005f0075\U00480061\U00420077\U0056006b\U00320063\U006c0042\U00300072\U006c0048\x00\x03\x00\U3b99aea0\u55ef\x08\x00\U99b25b86\U5ba20919\x01\U626f6c47' In [8]: str(entity.GlobalId) --------------------------------------------------------------------------- UnicodeEncodeError Traceback (most recent call last) in () ----> 1 str(entity.GlobalId) UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-10: ordinal not in range(128)
On Mac OSx:
λ ~/ uname -a Darwin Amritpals-MacBook-Pro.local 18.2.0 Darwin Kernel Version 18.2.0: Thu Dec 20 20:46:53 PST 2018; root:xnu-4903.241.1~1/RELEASE_X86_64 x86_64 λ ~/ ipython Python 2.7.15 (default, Jan 12 2019, 21:07:57) Type "copyright", "credits" or "license" for more information. IPython 5.8.0 -- An enhanced Interactive Python. ? -> Introduction and overview of IPython's features. %quickref -> Quick reference. help -> Python's own help system. object? -> Details about 'object', use 'object??' for extra details. In [1]: import ifcopenshell as ifc In [2]: f = ifc.open("GNE_TDP202.ifc") In [3]: products = f.by_type("ifcproduct") In [4]: products Out[4]: [#22=IfcSite('2oAZ$Cu_aHwBkVc2Blr0Hl',#5,'GNE College','',$,$,$,$,.ELEMENT.,(30,51,31),(75,51,37),0.245512,$,#21), #23=IfcBuilding('2oAZ$Du_aHwBkVc2Blr0Hl',#5,'Nanak Tower II','',$,$,$,$,.ELEMENT.,$,$,$), #108=IfcGrid('2oAZ$Fu_aHwBkVc2Blr0Hl',#5,'Axes','',$,#104,#107,(#27,#31,#35,#39),(#43,#47,#51,#55,#59,#63,#67,#71,#75,#79,#83,#87,#91,#95,#99,#103),$), #126=IfcBuildingStorey('2oAZ$Hu_aHwBkVc2Blr0Hl',#5,'Level 0','',$,$,$,$,.ELEMENT.,0.), #127=IfcBuildingElementProxy('2oAZ$Iu_aHwBkVc2Blr0Hl',#5,'WPProxy','',$,$,$,$,.ELEMENT.), #128=IfcBuildingStorey('2oAZ$Ju_aHwBkVc2Blr0Hl',#5,'Level 1','',$,$,$,$,.ELEMENT.,3.6), #129=IfcBuildingElementProxy('2oAZ$Ku_aHwBkVc2Blr0Hl',#5,'WPProxy001','',$,$,$,$,.ELEMENT.), #130=IfcBuildingStorey('2oAZ$Lu_aHwBkVc2Blr0Hl',#5,'Level 2','',$,$,$,$,.ELEMENT.,7.2), #131=IfcBuildingElementProxy('2oAZ$Mu_aHwBkVc2Blr0Hl',#5,'WPProxy002','',$,$,$,$,.ELEMENT.), #132=IfcBuildingStorey('2oAZ$Nu_aHwBkVc2Blr0Hl',#5,'Level 3','',$,$,$,$,.ELEMENT.,10.8), #133=IfcBuildingElementProxy('2oAZ$Ou_aHwBkVc2Blr0Hl',#5,'WPProxy003','',$,$,$,$,.ELEMENT.), #134=IfcBuildingStorey('2oAZ$Pu_aHwBkVc2Blr0Hl',#5,'Level 4','',$,$,$,$,.ELEMENT.,14.4), #135=IfcBuildingElementProxy('2oAZ$Qu_aHwBkVc2Blr0Hl',#5,'WPProxy004','',$,$,$,$,.ELEMENT.), #179=IfcAnnotation('2oAZ$du_aHwBkVc2Blr0Hl',#5,'Building Outline','',$,#9,#178), #187=IfcAnnotation('2oAZ$eu_aHwBkVc2Blr0Hl',#5,'Building Label','',$,#9,#186)] In [5]: entity = products[0] In [6]: entity Out[6]: #22=IfcSite('2oAZ$Cu_aHwBkVc2Blr0Hl',#5,'GNE College','',$,$,$,$,.ELEMENT.,(30,51,31),(75,51,37),0.245512,$,#21) In [7]: entity.GlobalId Out[7]: u'2oAZ$Cu_aHwBkVc2Blr0Hl' In [8]: str(entity.GlobalId) Out[8]: '2oAZ$Cu_aHwBkVc2Blr0Hl'
Conclusion:
When we read IfcGloballyUniqueId
from IFC file on Ubuntu, it gives UnicodeEncodeError
but on MacOSx ifcopenshell
successfully parse IfcGloballyUniqueID
(i.e. 2oAZ$Cu_aHwBkVc2Blr0Hl
).