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;
（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); #49= IFCCONVERSIONBASEDUNIT(#47,.PLANEANGLEUNIT.,'DEGREE',#48); #50= IFCSIUNIT(*,.MASSUNIT.,.KILO.,.GRAM.); #51= IFCSIUNIT(*,.TIMEUNIT.,$,.SECOND.); #52= IFCSIUNIT(*,.THERMODYNAMICTEMPERATUREUNIT.,$,.KELVIN.); #53= IFCDERIVEDUNITELEMENT(#50,1); #54= IFCDERIVEDUNITELEMENT(#52,-1); #55= IFCDERIVEDUNITELEMENT(#51,-3); #56= IFCDERIVEDUNIT((#53,#54,#55),.THERMALTRANSMITTANCEUNIT.,$); #58= IFCDERIVEDUNITELEMENT(#43,3); #59= IFCDERIVEDUNITELEMENT(#51,-1); #60= IFCDERIVEDUNIT((#58,#59),.VOLUMETRICFLOWRATEUNIT.,$); #62= IFCSIUNIT(*,.POWERUNIT.,$,.WATT.); #63= IFCUNITASSIGNMENT((#42,#44,#45,#49,#50,#51,#52,#56,#60,#62)); #65= IFCAXIS2PLACEMENT3D(#6,$,$); #66= IFCDIRECTION((2.,6.12303176911189E-17,1.)); #68= IFCGEOMETRICREPRESENTATIONCONTEXT($,'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.,$); #79= IFCPROJECT('1NRr9jkFTE4hOJz7NTfk1r',#41,'\X2\987976EE7F1653F7\X0\',$,$,'\X2\987976EE540D79F0\X0\','\X2\987976EE72B66001\X0\',(#68,#76),#63); #85= IFCPOSTALADDRESS($,$,$,$,('\X2\8BF757286B6459048F93516557305740\X0\'),$,'','','','\X2\4E2D56FD53174EAC\X0\'); #89= IFCBUILDING('1NRr9jkFTE4hOJz7NTfk1q',#41,'',$,$,#32,$,'',.ELEMENT.,$,$,#85); #95= IFCCARTESIANPOINT((0.,0.,-4600.)); #97= IFCAXIS2PLACEMENT3D(#95,$,$); #556= IFCRELCONNECTSPATHELEMENTS('17Z0jV8aH2tgKd3p90Ojvi',#41,$,$,$,#312,#386,(),(),.ATSTART.,.ATEND.); #430= IFCSITE('1NRr9jkFTE4hOJz7NTfk1t',#41,'Default',$,'',#429,$,$,.ELEMENT.,(39,54,57,601318),(116,25,58,795166),0.,$,$); #102= IFCCARTESIANPOINT((0.,0.,-4300.)); #104= IFCAXIS2PLACEMENT3D(#102,$,$); #551= IFCRELCONNECTSPATHELEMENTS('327X5fp$zBKvjc4ZwR6VRA',#41,$,$,$,#175,#312,(),(),.ATSTART.,.ATEND.); #429= IFCLOCALPLACEMENT($,#428); #108= IFCCARTESIANPOINT((0.,0.,-4000.)); #110= IFCAXIS2PLACEMENT3D(#108,$,$); #548= IFCRELDEFINESBYPROPERTIES('0ngq2HaCj7ZfpdWsu5FIgH',#41,$,$,(#122),#470); #428= IFCAXIS2PLACEMENT3D(#6,$,$); #114= IFCCARTESIANPOINT((0.,0.,-300.)); #116= IFCAXIS2PLACEMENT3D(#114,$,$); #545= IFCRELDEFINESBYPROPERTIES('3z8aG71cX3YvsnFsU$0fNA',#41,$,$,(#122),#468); #425= IFCRELDEFINESBYPROPERTIES('2foTOIKR5DLB2oGjR_Y2aC',#41,$,$,(#386),#423); #120= IFCAXIS2PLACEMENT3D(#6,$,$); #121= IFCLOCALPLACEMENT(#32,#120); #122= IFCBUILDINGSTOREY('1NRr9jkFTE4hOJz7KYMHxc',#41,'\X2\68079AD8\X0\ 1',$,$,#121,$,'\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); #130= IFCCARTESIANPOINT((-9443.5218503172,4840.47853215994,0.)); #132= IFCDIRECTION((0.601815023152047,-0.798635510047294,0.)); #134= IFCAXIS2PLACEMENT3D(#130,#19,#132); #135= IFCLOCALPLACEMENT(#121,#134); #137= IFCCARTESIANPOINT((11305.3780125281,0.)); #139= IFCPOLYLINE((#9,#137)); #141= IFCSHAPEREPRESENTATION(#71,'Axis','Curve2D',(#139)); #144= IFCCARTESIANPOINT((11305.3780125281,-100.)); #146= IFCCARTESIANPOINT((11294.8964566715,100.)); #148= IFCCARTESIANPOINT((11094.6219874719,100.)); #150= IFCCARTESIANPOINT((-0.,100.)); #152= IFCCARTESIANPOINT((-0.,-100.)); #154= IFCPOLYLINE((#144,#146,#148,#150,#152,#144)); #156= IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#154); #157= IFCAXIS2PLACEMENT3D(#6,$,$); #158= IFCEXTRUDEDAREASOLID(#156,#157,#19,8000.); #159= IFCCOLOURRGB($,0.501960784313725,0.501960784313725,0.501960784313725); #160= IFCSURFACESTYLERENDERING(#159,0.,$,$,$,$,IFCNORMALISEDRATIOMEASURE(0.5),IFCSPECULAREXPONENT(64.),.NOTDEFINED.); #161= IFCSURFACESTYLE('\X2\9ED88BA45899\X0\',.BOTH.,(#160)); #163= IFCPRESENTATIONSTYLEASSIGNMENT((#161)); #165= IFCSTYLEDITEM(#158,(#163),$); #168= IFCSHAPEREPRESENTATION(#73,'Body','SweptSolid',(#158)); #171= IFCPRODUCTDEFINITIONSHAPE($,$,(#141,#168)); #175= IFCWALLSTANDARDCASE('1N3ZKiDC9FugEh2duUkk4c',#41,'\X2\57FA672C5899\X0\:\X2\5E3889C4\X0\ - 200mm:154820',$,'\X2\57FA672C5899\X0\:\X2\5E3889C4\X0\ - 200mm:1740',#135,#171,'154820'); #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\',$,IFCBOOLEAN(.F.),$); #191= IFCPROPERTYSINGLEVALUE('\X2\5E9590E85EF64F388DDD79BB\X0\',$,IFCLENGTHMEASURE(0.),$); #192= IFCPROPERTYSINGLEVALUE('\X2\5B9A4F4D7EBF\X0\',$,IFCIDENTIFIER('\X2\58994E2D5FC37EBF\X0\'),$); #193= IFCPROPERTYSINGLEVALUE('\X2\5DF296447740987690E8\X0\',$,IFCBOOLEAN(.F.),$); #194= IFCPROPERTYSINGLEVALUE('\X2\4F5379EF\X0\',$,IFCVOLUMEMEASURE(18.0802195753597),$); #195= IFCPROPERTYSINGLEVALUE('\X2\4E0E4F5391CF76F85173\X0\',$,IFCBOOLEAN(.F.),$); #196= IFCPROPERTYSINGLEVALUE('\X2\987690E8504F79FB\X0\',$,IFCLENGTHMEASURE(0.),$); #197= IFCPROPERTYSINGLEVALUE('\X2\5E9590E89650523667614EF6\X0\',$,IFCLABEL('\X2\68079AD8\X0\: \X2\68079AD8\X0\ 1'),$); #198= IFCPROPERTYSINGLEVALUE('\X2\542F7528520667906A21578B\X0\',$,IFCBOOLEAN(.F.),$); #199= IFCPROPERTYSINGLEVALUE('\X2\5E9590E8504F79FB\X0\',$,IFCLENGTHMEASURE(0.),$); #200= IFCPROPERTYSINGLEVALUE('\X2\521B5EFA768496366BB5\X0\',$,IFCLABEL('\X2\96366BB5\X0\ 1'),$); #201= IFCPROPERTYSINGLEVALUE('\X2\976279EF\X0\',$,IFCAREAMEASURE(90.4430241002248),$); #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\',$,IFCINTEGER(3),$); #206= IFCPROPERTYSINGLEVALUE('\X2\57287AEF70B953057EDC\X0\',$,IFCIDENTIFIER('\X2\65E0\X0\'),$); #207= IFCPROPERTYSINGLEVALUE('\X2\529F80FD\X0\',$,IFCIDENTIFIER('\X2\591690E8\X0\'),$); #208= IFCPROPERTYSINGLEVALUE('\X2\543865367387\X0\',$,IFCREAL(0.7),$); #209= IFCPROPERTYSINGLEVALUE('\X2\572863D2516570B953057EDC\X0\',$,IFCIDENTIFIER('\X2\4E0D53057EDC\X0\'),$); #210= IFCPROPERTYSINGLEVALUE('\X2\90E84EF68BF4660E\X0\',$,IFCTEXT(''),$); #211= IFCPROPERTYSET('204EqNJpD4DBCJqFB7ciWP',#41,'\X2\9650523667614EF6\X0\',$,(#184,#185,#188,#190,#191,#192,#193,#195,#196,#197,#199)); #216= IFCRELDEFINESBYPROPERTIES('2O4dkBMj9EqPWvdkv5il_j',#41,$,$,(#175),#211); #220= IFCPROPERTYSET('0KP9zWO3L6MOsL62Ttg14e',#41,'\X2\5C3A5BF868076CE8\X0\',$,(#186,#194,#201)); #222= IFCRELDEFINESBYPROPERTIES('1AMu$K8cPFL9NPm6Qft8YV',#41,$,$,(#175),#220); #225= IFCPROPERTYSET('0SOqQduqbB4hftIhiII$EF',#41,'\X2\7ED36784\X0\',$,(#187,#189,#198)); #227= IFCRELDEFINESBYPROPERTIES('3D0kgCeXz8LPHBGE_s4221',#41,$,$,(#175),#225); #230= IFCPROPERTYSET('0gmlxoOU5E_Bvoi7XSeyHS',#41,'\X2\96366BB55316\X0\',$,(#200)); #232= IFCRELDEFINESBYPROPERTIES('2Z3_Izp0b0RRhwJfasFjKp',#41,$,$,(#175),#230); #235= IFCPROPERTYSET('2JGuyUPN17t9KMpqIfzAXy',#41,'\X2\68078BC66570636E\X0\',$,(#202,#210)); #237= IFCPROPERTYSET('2U2hNxmgv2BRRSvq$RztgA',#41,'\X2\520667905C5E6027\X0\',$,(#205,#208)); #239= IFCPROPERTYSET('00b9OglM1FNhVRbEO49vne',#41,'\X2\56FE5F62\X0\',$,(#204)); #241= IFCPROPERTYSET('1EC7lb1n98_ug1vECA_RB1',#41,'\X2\67849020\X0\',$,(#203,#206,#207,#209)); #243= IFCMATERIAL('\X2\9ED88BA45899\X0\'); #246= IFCPRESENTATIONSTYLEASSIGNMENT((#161)); #248= IFCSTYLEDITEM($,(#246),$); #250= IFCSTYLEDREPRESENTATION(#68,'Style','Material',(#248)); #253= IFCMATERIALDEFINITIONREPRESENTATION($,$,(#250),#243); #256= IFCMATERIALLAYER(#243,200.,$); #258= IFCMATERIALLAYERSET((#256),'\X2\57FA672C5899\X0\:\X2\5E3889C4\X0\ - 200mm'); #261= IFCMATERIALLAYERSETUSAGE(#258,.AXIS2.,.NEGATIVE.,100.); #262= IFCWALLTYPE('3kSL0VGKv3gxJCujeqtuWE',#41,'\X2\57FA672C5899\X0\:\X2\5E3889C4\X0\ - 200mm',$,$,(#235,#237,#239,#241),$,'1740',$,.STANDARD.); #269= IFCPROPERTYSINGLEVALUE('Reference',$,IFCIDENTIFIER('\X2\5E3889C4\X0\ - 200mm'),$); #270= IFCPROPERTYSINGLEVALUE('LoadBearing',$,IFCBOOLEAN(.F.),$); #271= IFCPROPERTYSINGLEVALUE('ExtendToStructure',$,IFCBOOLEAN(.F.),$); #272= IFCPROPERTYSINGLEVALUE('IsExternal',$,IFCBOOLEAN(.T.),$); #273= IFCPROPERTYSET('1N3ZKiDC9FugEh2dyUkk4c',#41,'Pset_WallCommon',$,(#269,#270,#271,#272)); #275= IFCRELDEFINESBYPROPERTIES('3ixdIfkTL0vvCQIQpgRrH0',#41,$,$,(#175),#273); #278= IFCCARTESIANPOINT((-2630.4986877094,-4043.24091381817,0.)); #280= IFCDIRECTION((0.766044443118979,0.642787609686539,0.)); #282= IFCAXIS2PLACEMENT3D(#278,#19,#280); #283= IFCLOCALPLACEMENT(#121,#282); #284= IFCCARTESIANPOINT((7319.55894492555,-0.)); #286= IFCPOLYLINE((#9,#284)); #288= IFCSHAPEREPRESENTATION(#71,'Axis','Curve2D',(#286)); #290= IFCCARTESIANPOINT((7319.55894492555,-100.)); #292= IFCCARTESIANPOINT((6824.54157424229,100.)); #294= IFCCARTESIANPOINT((10.4815558566095,100.)); #296= IFCCARTESIANPOINT((0.,-100.)); #298= IFCCARTESIANPOINT((6785.66551241474,-100.)); #300= IFCPOLYLINE((#290,#292,#294,#296,#298,#290)); #302= IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#300); #303= IFCAXIS2PLACEMENT3D(#6,$,$); #304= IFCEXTRUDEDAREASOLID(#302,#303,#19,8000.); #305= IFCSTYLEDITEM(#304,(#163),$); #308= IFCSHAPEREPRESENTATION(#73,'Body','SweptSolid',(#304)); #310= IFCPRODUCTDEFINITIONSHAPE($,$,(#288,#308)); #312= IFCWALLSTANDARDCASE('1N3ZKiDC9FugEh2duUkk4q',#41,'\X2\57FA672C5899\X0\:\X2\5E3889C4\X0\ - 200mm:154838',$,'\X2\57FA672C5899\X0\:\X2\5E3889C4\X0\ - 200mm:1740',#283,#310,'154838'); #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\',$,IFCLENGTHMEASURE(8000.),$); #320= IFCPROPERTYSINGLEVALUE('\X2\957F5EA6\X0\',$,IFCLENGTHMEASURE(6900.),$); #321= IFCPROPERTYSINGLEVALUE('\X2\4F5379EF\X0\',$,IFCVOLUMEMEASURE(11.306895170649),$); #322= IFCPROPERTYSET('1TVDdwqzXCyAJv$WBg$LoU',#41,'\X2\68078BC66570636E\X0\',$,(#315,#316,#318)); #324= IFCRELDEFINESBYPROPERTIES('0RODkkBPTBV82JsSCFKoAY',#41,$,$,(#312),#322); #328= IFCPROPERTYSET('2xIbby7fPC9vrFdUhxIe4Y',#41,'\X2\5C3A5BF868076CE8\X0\',$,(#317,#320,#321)); #330= IFCRELDEFINESBYPROPERTIES('0kbWYiYiP7FRU67cDB0V1q',#41,$,$,(#312),#328); #333= IFCPROPERTYSET('3Utay$aYXEuvjiHu801W$W',#41,'\X2\9650523667614EF6\X0\',$,(#192,#190,#197,#184,#195,#319,#196,#191,#199,#193,#188)); #335= IFCRELDEFINESBYPROPERTIES('3QdAJi_pf8y9C$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;
实体实例格式：
#<integer value> = <entity name> (<attribute values>);
