IFC文件介绍

IFC是一个数据交换标准, 用于不同系统交换和共享数据。

IFC是采用EXPRESS语言定义的实体关系模型，由几百个实体对象组成。实体对象包括建筑要素如IfcWall，几何元素如IfcExtrudedAreaSolid和基本结构如IfcCartesianPoint

IFC发展历程：

IFC4 Add2 (2016)

IFC4 Add1 (2015)

IFC4 (2011)

IFC2x3 (2006)

IFC 2x (2000)

IFC 2.0 (1999)

IFC 1.5 (1997)

IFC 1.0 (1996)

1.IFC标准整体的信息描述分为四个层次：

　　资源层（IFC-Resource Layer）：

　　　　基础信息定义, 例如材料、几何、拓扑等

　　核心层(IFC-Core Layer)：

　　　　定义信息模型的整体框架

　　　　例如工程对象之间的关系、工程对象的位和几何形状等;

　　　　该层主要描述建筑工程信息的整体框架，其将资源层的信息用一个整体框架组织起来，使它们相互联系和连接，组成一个整体，真实反映现实世界的结构

　　共享层(IFC-Interoperability Layer)：

　　　　定义跨专业交换的信息, 例如墙、梁、住、门、窗等

　　领域层(IFC-Domain Layer)：

　　　　定义各自领域的信息, 例如暖通领域的锅炉、风扇、节气阀等

2.IFC文件内容

　　采用了一种面向对象的、规范化的数据描述语言EXPRESS 语言作为数据描述语言，定义所有用到的数据。

　　在IFC对象模型中，实体分为有根和无根实体，有根实体从IfcRoot派生，具备身份唯一标识（GUID）、名称、描述以及版本控制。无根实体没有身份标识（GUID），实例只有直接或间接被引用时才存在。

　　IfcRoot细分为三个抽象概念：对象定义，关系和属性集： 

IfcObjectDefinition 对象的定义 

IfcRelationship 用来描述实体对象间的相互关系

IfcPropertyDefinition 用来描述对象的特征,反映了对象在具体工程中的特殊信息

3. SPF介绍　　

　　IFC SPF(STEP Physical File)文件是 IFC 标准所使用的主要数据交换文件

　　为了数据交换的目的，STEP标准Prat 21规定了正文文件的结构，文件包括两段：

　　（1）头段

头段给出关于文件的种类和作者的信息。

在每一个IFC交换文件中头段必须出现。

该段以关键字"HEADER"开始，并且以"ENDSEC"结束。

在每一个交换文件结构中要规定头段实体，并且每一个实体要求有一个实例出现。

头段实体有文件描述(file_desctiption)、文件名(file_name)、文件模式(file_schema)，并且应该按这一顺序出现。

HEADER;

/******************************************************************************************

* STEP Physical File produced by: The EXPRESS Data Manager Version 5.01.0100.02.64mod : 6 Jun 2012

* Module: EDMstepFileFactory/EDMstandAlone

* Creation date: Thu Jun 27 16:37:58 2019

* Host: hkgi-PC

* Database: C:\Users\ADMINI~1\AppData\Local\Temp\{9CFC66D6-8A28-41DB-BCCC-A3D3104CADAA}\ifc

* Database version: 5507

* Database creation date: Thu Jun 27 16:37:57 2019

* Schema: IFC2X3

* Model: DataRepository.ifc

* Model creation date: Thu Jun 27 16:37:57 2019

* Header model: DataRepository.ifc_HeaderModel

* Header model creation date: Thu Jun 27 16:37:57 2019

* EDMuser: sdai-user

* EDMgroup: sdai-group

* License ID and type: 5605 : Permanent license. Expiry date:

* EDMstepFileFactory options: 020000

******************************************************************************************/

FILE_DESCRIPTION(('ViewDefinition [CoordinationView]'),'2;1');

FILE_NAME('\X2\987976EE7F1653F7\X0\','2019-06-27T16:37:58',(''),(''),'The EXPRESS Data Manager Version 5.01.0100.02.64mod : 6 Jun 2012','20130308_1515(x64) - Exporter 2014.0.2013.0308 - Default UI','');

FILE_SCHEMA(('IFC2X3'));

ENDSEC;

View Code

　　（2）数据段

　　　　数据段包括要被交换结构传送的产品数据。

　　　　每一个IFC文件都应该有数据段。该段以关键字"DATA"开始，并且以"ENDSEC"结束。

DATA;

#1= IFCORGANIZATION($,'Autodesk Revit 2014 (CHS)',$,$,$);

#5= IFCAPPLICATION(#1,'2014','Autodesk Revit 2014 (CHS)','Revit');

#6= IFCCARTESIANPOINT((0.,0.,0.));

#9= IFCCARTESIANPOINT((0.,0.));

#11= IFCDIRECTION((1.,0.,0.));

#13= IFCDIRECTION((-1.,0.,0.));

#15= IFCDIRECTION((0.,1.,0.));

#17= IFCDIRECTION((0.,-1.,0.));

#19= IFCDIRECTION((0.,0.,1.));

#21= IFCDIRECTION((0.,0.,-1.));

#23= IFCDIRECTION((1.,0.));

#25= IFCDIRECTION((-1.,0.));

#27= IFCDIRECTION((0.,1.));

#29= IFCDIRECTION((0.,-1.));

#31= IFCAXIS2PLACEMENT3D(#6,$,$);

#32= IFCLOCALPLACEMENT(#429,#31);

#35= IFCPERSON($,'','Administrator',$,$,$,$,$);

#37= IFCORGANIZATION($,'','',$,$);

#38= IFCPERSONANDORGANIZATION(#35,#37,$);

#41= IFCOWNERHISTORY(#38,#5,$,.NOCHANGE.,$,$,$,0);

#42= IFCSIUNIT(*,.LENGTHUNIT.,.MILLI.,.METRE.);

#43= IFCSIUNIT(*,.LENGTHUNIT.,$,.METRE.);

#44= IFCSIUNIT(*,.AREAUNIT.,$,.SQUARE_METRE.);

#45= IFCSIUNIT(*,.VOLUMEUNIT.,$,.CUBIC_METRE.);

#46= IFCSIUNIT(*,.PLANEANGLEUNIT.,$,.RADIAN.);

#47= IFCDIMENSIONALEXPONENTS(0,0,0,0,0,0,0);

#48= IFCMEASUREWITHUNIT(IFCRATIOMEASURE(0.0174532925199433),#46);

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#50= IFCSIUNIT(*,.MASSUNIT.,.KILO.,.GRAM.);

#51= IFCSIUNIT(*,.TIMEUNIT.,$,.SECOND.);

#52= IFCSIUNIT(*,.THERMODYNAMICTEMPERATUREUNIT.,$,.KELVIN.);

#53= IFCDERIVEDUNITELEMENT(#50,1);

#54= IFCDERIVEDUNITELEMENT(#52,-1);

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#56= IFCDERIVEDUNIT((#53,#54,#55),.THERMALTRANSMITTANCEUNIT.,$);

#58= IFCDERIVEDUNITELEMENT(#43,3);

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#60= IFCDERIVEDUNIT((#58,#59),.VOLUMETRICFLOWRATEUNIT.,$);

#62= IFCSIUNIT(*,.POWERUNIT.,$,.WATT.);

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#65= IFCAXIS2PLACEMENT3D(#6,$,$);

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#68= IFCGEOMETRICREPRESENTATIONCONTEXT($,'Model',3,1.00000000000000E-5,#65,#66);

#71= IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Axis','Model',*,*,*,*,#68,$,.GRAPH_VIEW.,$);

#73= IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Body','Model',*,*,*,*,#68,$,.MODEL_VIEW.,$);

#74= IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Box','Model',*,*,*,*,#68,$,.MODEL_VIEW.,$);

#75= IFCGEOMETRICREPRESENTATIONSUBCONTEXT('FootPrint','Model',*,*,*,*,#68,$,.MODEL_VIEW.,$);

#76= IFCGEOMETRICREPRESENTATIONCONTEXT($,'Annotation',3,1.00000000000000E-5,#65,#66);

#77= IFCGEOMETRICREPRESENTATIONSUBCONTEXT($,'Annotation',*,*,*,*,#76,0.01,.PLAN_VIEW.,$);

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#85= IFCPOSTALADDRESS($,$,$,$,('\X2\8BF757286B6459048F93516557305740\X0\'),$,'','','','\X2\4E2D56FD53174EAC\X0\');

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#95= IFCCARTESIANPOINT((0.,0.,-4600.));

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#110= IFCAXIS2PLACEMENT3D(#108,$,$);

#548= IFCRELDEFINESBYPROPERTIES('0ngq2HaCj7ZfpdWsu5FIgH',#41,$,$,(#122),#470);

#428= IFCAXIS2PLACEMENT3D(#6,$,$);

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#425= IFCRELDEFINESBYPROPERTIES('2foTOIKR5DLB2oGjR_Y2aC',#41,$,$,(#386),#423);

#120= IFCAXIS2PLACEMENT3D(#6,$,$);

#121= IFCLOCALPLACEMENT(#32,#120);

#122= IFCBUILDINGSTOREY('1NRr9jkFTE4hOJz7KYMHxc',#41,'\X2\68079AD8\X0\ 1',$,$,#121,$,'\X2\68079AD8\X0\ 1',.ELEMENT.,0.);

#124= IFCCARTESIANPOINT((0.,0.,4000.));

#126= IFCAXIS2PLACEMENT3D(#124,$,$);

#542= IFCRELDEFINESBYPROPERTIES('1nQui$zpvAohcgbZbwiBas',#41,$,$,(#312,#386),#241);

#472= IFCRELCONTAINEDINSPATIALSTRUCTURE('3Aw$FV5MbAufEo59tkoNgA',#41,$,$,(#175,#312,#386),#122);

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#158= IFCEXTRUDEDAREASOLID(#156,#157,#19,8000.);

#159= IFCCOLOURRGB($,0.501960784313725,0.501960784313725,0.501960784313725);

#160= IFCSURFACESTYLERENDERING(#159,0.,$,$,$,$,IFCNORMALISEDRATIOMEASURE(0.5),IFCSPECULAREXPONENT(64.),.NOTDEFINED.);

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#163= IFCPRESENTATIONSTYLEASSIGNMENT((#161));

#165= IFCSTYLEDITEM(#158,(#163),$);

#168= IFCSHAPEREPRESENTATION(#73,'Body','SweptSolid',(#158));

#171= IFCPRODUCTDEFINITIONSHAPE($,$,(#141,#168));

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#184= IFCPROPERTYSINGLEVALUE('\X2\987690E85EF64F388DDD79BB\X0\',$,IFCLENGTHMEASURE(0.),$);

#185= IFCPROPERTYSINGLEVALUE('\X2\65E08FDE63A59AD85EA6\X0\',$,IFCLENGTHMEASURE(8000.),$);

#186= IFCPROPERTYSINGLEVALUE('\X2\957F5EA6\X0\',$,IFCLENGTHMEASURE(11200.),$);

#187= IFCPROPERTYSINGLEVALUE('\X2\7ED3678475289014\X0\',$,IFCIDENTIFIER('\X2\975E627F91CD\X0\'),$);

#188= IFCPROPERTYSINGLEVALUE('\X2\623F95F48FB9754C\X0\',$,IFCBOOLEAN(.T.),$);

#189= IFCPROPERTYSINGLEVALUE('\X2\7ED36784\X0\',$,IFCBOOLEAN(.F.),$);

#190= IFCPROPERTYSINGLEVALUE('\X2\5DF2964477405E9590E8\X0\',$,IFCBOOLEAN(.F.),$);

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#194= IFCPROPERTYSINGLEVALUE('\X2\4F5379EF\X0\',$,IFCVOLUMEMEASURE(18.0802195753597),$);

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#198= IFCPROPERTYSINGLEVALUE('\X2\542F7528520667906A21578B\X0\',$,IFCBOOLEAN(.F.),$);

#199= IFCPROPERTYSINGLEVALUE('\X2\5E9590E8504F79FB\X0\',$,IFCLENGTHMEASURE(0.),$);

#200= IFCPROPERTYSINGLEVALUE('\X2\521B5EFA768496366BB5\X0\',$,IFCLABEL('\X2\96366BB5\X0\ 1'),$);

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#202= IFCPROPERTYSINGLEVALUE('\X2\90E84EF64EE37801\X0\',$,IFCTEXT(''),$);

#203= IFCPROPERTYSINGLEVALUE('\X2\539A5EA6\X0\',$,IFCLENGTHMEASURE(200.),$);

#204= IFCPROPERTYSINGLEVALUE('\X2\7C9775656BD44F8B586B5145989C8272\X0\',$,IFCINTEGER(0),$);

#205= IFCPROPERTYSINGLEVALUE('\X2\7C977CD95EA6\X0\',$,IFCINTEGER(3),$);

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#220= IFCPROPERTYSET('0KP9zWO3L6MOsL62Ttg14e',#41,'\X2\5C3A5BF868076CE8\X0\',$,(#186,#194,#201));

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#271= IFCPROPERTYSINGLEVALUE('ExtendToStructure',$,IFCBOOLEAN(.F.),$);

#272= IFCPROPERTYSINGLEVALUE('IsExternal',$,IFCBOOLEAN(.T.),$);

#273= IFCPROPERTYSET('1N3ZKiDC9FugEh2dyUkk4c',#41,'Pset_WallCommon',$,(#269,#270,#271,#272));

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#308= IFCSHAPEREPRESENTATION(#73,'Body','SweptSolid',(#304));

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#315= IFCPROPERTYSINGLEVALUE('\X2\6CE891CA\X0\',$,IFCTEXT('aaa'),$);

#316= IFCPROPERTYSINGLEVALUE('\X2\59076CE8\X0\',$,IFCTEXT('ccc'),$);

#317= IFCPROPERTYSINGLEVALUE('\X2\976279EF\X0\',$,IFCAREAMEASURE(58.5564715594044),$);

#318= IFCPROPERTYSINGLEVALUE('\X2\68078BB0\X0\',$,IFCTEXT('bbb'),$);

#319= IFCPROPERTYSINGLEVALUE('\X2\65E08FDE63A59AD85EA6\X0\',$,IFCLENGTHMEASURE(8000.),$);

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#335= IFCRELDEFINESBYPROPERTIES('3QdAJi_pf8y9C$E52R8T1v',#41,$,$,(#312),#333);

#338= IFCPROPERTYSET('2UIWyKl2b9fRVFmJzabay4',#41,'\X2\7ED36784\X0\',$,(#189,#187,#198));

#340= IFCRELDEFINESBYPROPERTIES('19o_zMKun2JhKsB5d3G4bZ',#41,$,$,(#312),#338);

#343= IFCPROPERTYSET('3RVYf_HGX4xAaKAvs01i3T',#41,'\X2\96366BB55316\X0\',$,(#200));

#345= IFCRELDEFINESBYPROPERTIES('16fRod_qH4veVe7ZzBoAiB',#41,$,$,(#312),#343);

#348= IFCMATERIALLAYERSETUSAGE(#258,.AXIS2.,.NEGATIVE.,100.);

#349= IFCPROPERTYSET('1N3ZKiDC9FugEh2dyUkk4q',#41,'Pset_WallCommon',$,(#269,#270,#271,#272));

#351= IFCRELDEFINESBYPROPERTIES('2YL23x2pXB7vdYYdsDllf9',#41,$,$,(#312),#349);

#354= IFCCARTESIANPOINT((2600.99973247117,337.002008356899,0.));

#356= IFCDIRECTION((0.951056516295154,0.309016994374947,0.));

#358= IFCAXIS2PLACEMENT3D(#354,#19,#356);

#359= IFCLOCALPLACEMENT(#121,#358);

#360= IFCCARTESIANPOINT((9180.56196908623,0.));

#362= IFCPOLYLINE((#9,#360));

#364= IFCSHAPEREPRESENTATION(#71,'Axis','Curve2D',(#362));

#366= IFCCARTESIANPOINT((9180.56196908623,-100.));

#368= IFCCARTESIANPOINT((9180.56196908623,100.));

#370= IFCCARTESIANPOINT((495.01737068326,100.));

#372= IFCCARTESIANPOINT((0.,-100.));

#374= IFCPOLYLINE((#366,#368,#370,#372,#366));

#376= IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#374);

#377= IFCAXIS2PLACEMENT3D(#6,$,$);

#378= IFCEXTRUDEDAREASOLID(#376,#377,#19,8000.);

#379= IFCSTYLEDITEM(#378,(#163),$);

#382= IFCSHAPEREPRESENTATION(#73,'Body','SweptSolid',(#378));

#384= IFCPRODUCTDEFINITIONSHAPE($,$,(#364,#382));

#386= IFCWALLSTANDARDCASE('1N3ZKiDC9FugEh2duUkk4O',#41,'\X2\57FA672C5899\X0\:\X2\5E3889C4\X0\ - 200mm:154874',$,'\X2\57FA672C5899\X0\:\X2\5E3889C4\X0\ - 200mm:1740',#359,#384,'154874');

#389= IFCPROPERTYSINGLEVALUE('\X2\6CE891CA\X0\',$,IFCTEXT('test1'),$);

#390= IFCPROPERTYSINGLEVALUE('\X2\59076CE8\X0\',$,IFCTEXT('test3'),$);

#391= IFCPROPERTYSINGLEVALUE('\X2\957F5EA6\X0\',$,IFCLENGTHMEASURE(9200.),$);

#392= IFCPROPERTYSINGLEVALUE('\X2\65E08FDE63A59AD85EA6\X0\',$,IFCLENGTHMEASURE(8000.),$);

#393= IFCPROPERTYSINGLEVALUE('\X2\4F5379EF\X0\',$,IFCVOLUMEMEASURE(14.2928852539914),$);

#394= IFCPROPERTYSINGLEVALUE('\X2\68078BB0\X0\',$,IFCTEXT('test2'),$);

#395= IFCPROPERTYSINGLEVALUE('\X2\976279EF\X0\',$,IFCAREAMEASURE(73.4444957526898),$);

#396= IFCPROPERTYSET('2eg73fTjj2eB2hW8pyupn0',#41,'\X2\9650523667614EF6\X0\',$,(#197,#191,#192,#193,#195,#392,#184,#199,#196,#188,#190));

#398= IFCRELDEFINESBYPROPERTIES('1sOrOAGMz4IPooZOa1gH0q',#41,$,$,(#386),#396);

#402= IFCPROPERTYSET('2WKPiCeMr5VB5ac0gWvVx3',#41,'\X2\68078BC66570636E\X0\',$,(#389,#390,#394));

#404= IFCRELDEFINESBYPROPERTIES('0QV5QooRr6UvChBAIw1CwF',#41,$,$,(#386),#402);

#407= IFCPROPERTYSET('1eiXcDRJXCsQS1_IlF5aKa',#41,'\X2\5C3A5BF868076CE8\X0\',$,(#391,#393,#395));

#409= IFCRELDEFINESBYPROPERTIES('3L1CtdBTT8oQRQNyikl41S',#41,$,$,(#386),#407);

#412= IFCPROPERTYSET('3s1p2JXKv35B2wRbcI28G4',#41,'\X2\7ED36784\X0\',$,(#198,#189,#187));

#414= IFCRELDEFINESBYPROPERTIES('1XKSa2xKD4NeFstIQvKO8u',#41,$,$,(#386),#412);

#417= IFCPROPERTYSET('2kJgC0RPL4LPq7HfI1kE3N',#41,'\X2\96366BB55316\X0\',$,(#200));

#419= IFCRELDEFINESBYPROPERTIES('2Db12sL2LCY9jo7psNObS9',#41,$,$,(#386),#417);

#422= IFCMATERIALLAYERSETUSAGE(#258,.AXIS2.,.NEGATIVE.,100.);

#423= IFCPROPERTYSET('1N3ZKiDC9FugEh2dyUkk4O',#41,'Pset_WallCommon',$,(#269,#270,#271,#272));

#435= IFCPROPERTYSINGLEVALUE('AboveGround',$,IFCLOGICAL(.U.),$);

#436= IFCPROPERTYSET('3CDTyeUuf1YA4MgHvgGlqi',#41,'Pset_BuildingStoreyCommon',$,(#435));

#438= IFCRELDEFINESBYPROPERTIES('2A0_1M_N12q9aVqWIbvGCh',#41,$,$,(#122),#436);

#442= IFCPROPERTYSINGLEVALUE('\X2\8BA17B979AD85EA6\X0\',$,IFCLENGTHMEASURE(0.),$);

#443= IFCPROPERTYSINGLEVALUE('\X2\540D79F0\X0\',$,IFCTEXT('\X2\68079AD8\X0\ 1'),$);

#444= IFCPROPERTYSINGLEVALUE('\X2\7ACB9762\X0\',$,IFCLENGTHMEASURE(0.),$);

#445= IFCPROPERTYSINGLEVALUE('\X2\5EFA7B51697C5C42\X0\',$,IFCBOOLEAN(.T.),$);

#446= IFCPROPERTYSINGLEVALUE('\X2\7EBF578B56FE6848\X0\',$,IFCLABEL('-3000010'),$);

#447= IFCPROPERTYSINGLEVALUE('\X2\57FA9762\X0\',$,IFCIDENTIFIER('\X2\987976EE57FA70B9\X0\'),$);

#448= IFCPROPERTYSINGLEVALUE('\X2\7B2653F7\X0\',$,IFCLABEL('\X2\68079AD868075934\X0\_\X2\6B638D1F96F6\X0\: \X2\68079AD868075934\X0\_\X2\6B638D1F96F6\X0\'),$);

#449= IFCPROPERTYSINGLEVALUE('\X2\7AEF70B9\X0\ 1 \X2\590476849ED88BA47B2653F7\X0\',$,IFCBOOLEAN(.F.),$);

#450= IFCPROPERTYSINGLEVALUE('\X2\7EBF5BBD\X0\',$,IFCIDENTIFIER('1'),$);

#451= IFCPROPERTYSINGLEVALUE('\X2\7AEF70B9\X0\ 2 \X2\590476849ED88BA47B2653F7\X0\',$,IFCBOOLEAN(.T.),$);

#452= IFCPROPERTYSINGLEVALUE('\X2\989C8272\X0\',$,IFCINTEGER(0),$);

#453= IFCPROPERTYSET('1vigyR5a55HADXPcOU7$$a',#41,'\X2\5C3A5BF868076CE8\X0\',$,(#442));

#455= IFCRELDEFINESBYPROPERTIES('0GyZLtKTP0Pwn9auhvaTI3',#41,$,$,(#122),#453);

#458= IFCPROPERTYSET('0kNTWH4rPAhPfc$JvZAwOV',#41,'\X2\68078BC66570636E\X0\',$,(#189,#443,#445));

#460= IFCRELDEFINESBYPROPERTIES('38bBmhXPf9NhrDJeTvFYxi',#41,$,$,(#122),#458);

#463= IFCPROPERTYSET('1Y9lYCAz98wAHMEr4URel$',#41,'\X2\9650523667614EF6\X0\',$,(#444));

#465= IFCRELDEFINESBYPROPERTIES('2F29K6G$59Rw1PPnCbaTyp',#41,$,$,(#122),#463);

#468= IFCPROPERTYSET('3JiJgsnQT9YOIxT058eIwd',#41,'\X2\56FE5F62\X0\',$,(#446,#448,#449,#450,#451,#452));

#470= IFCPROPERTYSET('0r8Ghq7Ab2Tx5hkih6LyDl',#41,'\X2\9650523667614EF6\X0\',$,(#447));

#478= IFCRELAGGREGATES('3WNAPr2050PfY$wov_1xzm',#41,$,$,#79,(#430));

#482= IFCRELAGGREGATES('0R9khTrvLCkOsPILApGdQC',#41,$,$,#430,(#89));

#486= IFCRELAGGREGATES('0bEVwXRmbBleAvzFSJirAn',#41,$,$,#89,(#122));

#490= IFCPROPERTYSINGLEVALUE('NumberOfStoreys',$,IFCINTEGER(1),$);

#491= IFCPROPERTYSET('1L8lIlVLb8MPS3VzRiBwO_',#41,'Pset_BuildingCommon',$,(#490));

#493= IFCRELDEFINESBYPROPERTIES('0G0kyvhxfFBB$dzugLZA_o',#41,$,$,(#89),#491);

#497= IFCPROPERTYSINGLEVALUE('\X2\987976EE57305740\X0\',$,IFCTEXT('\X2\8BF757286B6459048F93516557305740\X0\'),$);

#498= IFCPROPERTYSINGLEVALUE('\X2\4F5C8005\X0\',$,IFCTEXT(''),$);

#499= IFCPROPERTYSINGLEVALUE('\X2\987976EE53D15E0365E5671F\X0\',$,IFCTEXT('\X2\51FA56FE65E5671F\X0\'),$);

#500= IFCPROPERTYSINGLEVALUE('\X2\987976EE72B66001\X0\',$,IFCTEXT('\X2\987976EE72B66001\X0\'),$);

#501= IFCPROPERTYSINGLEVALUE('\X2\987976EE540D79F0\X0\',$,IFCTEXT('\X2\987976EE540D79F0\X0\'),$);

#502= IFCPROPERTYSINGLEVALUE('\X2\987976EE7F1653F7\X0\',$,IFCTEXT('\X2\987976EE7F1653F7\X0\'),$);

#503= IFCPROPERTYSINGLEVALUE('\X2\5BA2623759D3540D\X0\',$,IFCTEXT('\X2\624067098005\X0\'),$);

#504= IFCPROPERTYSINGLEVALUE('\X2\5EFA7B51540D79F0\X0\',$,IFCTEXT(''),$);

#505= IFCPROPERTYSINGLEVALUE('\X2\987976EE8D1F8D234EBA\X0\',$,IFCTEXT(''),$);

#506= IFCPROPERTYSINGLEVALUE('\X2\7EC47EC763CF8FF0\X0\',$,IFCTEXT(''),$);

#507= IFCPROPERTYSINGLEVALUE('\X2\7EC47EC7540D79F0\X0\',$,IFCTEXT(''),$);

#508= IFCPROPERTYSET('0loSh2md5Fg8aybgKZmuD5',#41,'\X2\51764ED6\X0\',$,(#497,#499,#500,#501,#502,#503,#505));

#510= IFCRELDEFINESBYPROPERTIES('30wpN4tzv5tPCry0sknUaV',#41,$,$,(#89),#508);

#513= IFCPROPERTYSET('019xRWKCrBrBwefSZ_vAE5',#41,'\X2\68078BC66570636E\X0\',$,(#498,#504,#506,#507));

#515= IFCRELDEFINESBYPROPERTIES('3hR4Fo$BT8JwXar5hu6iZt',#41,$,$,(#89),#513);

#518= IFCRELASSOCIATESMATERIAL('06WN5p5Qv8tv8sBi9DjcTh',#41,$,$,(#175),#261);

#521= IFCRELASSOCIATESMATERIAL('2Npk$jm1H0oxmMXqcuDIKi',#41,$,$,(#262),#258);

#524= IFCRELASSOCIATESMATERIAL('3fUcgQrovBXP1TOLvj3IUw',#41,$,$,(#312),#348);

#527= IFCRELASSOCIATESMATERIAL('0gGoBVk9X6pRwA4LH8JV3k',#41,$,$,(#386),#422);

#530= IFCRELDEFINESBYTYPE('03J3GvDlf3eOieOMxPbYSe',#41,$,$,(#175,#312,#386),#262);

#533= IFCRELDEFINESBYPROPERTIES('3iuGumasz5qAayuvY94LdR',#41,$,$,(#312,#386),#235);

#536= IFCRELDEFINESBYPROPERTIES('2v2DvWpm17ZgODusO39BCE',#41,$,$,(#312,#386),#237);

#539= IFCRELDEFINESBYPROPERTIES('2vfkZZnSH6fBAnz8CxN7BL',#41,$,$,(#312,#386),#239);

#561= IFCPRESENTATIONLAYERASSIGNMENT('A-WALL-____-OTLN',$,(#141,#168,#288,#308,#364,#382),$);

ENDSEC;

View Code

　　　　实体实例格式：　　　　# = ();

参考链接