,,ISO-10303-21;
HEADER;
/* NOTE a valid model view name has to be asserted, replacing 'notYetAssigned' ----------------- */
FILE_DESCRIPTION(('ViewDefinition [notYetAssigned]','Comment [manual creation of example file]'),'2;1');
/* NOTE standard header information according to ISO 10303-21 ---------------------------------- */
FILE_NAME('IfcBuildingElementProxy_Tessellation.ifc','2012-07-04T18:00:00',('Thomas Liebich'),('buildingSMART International'),'IFC text editor','IFC text editor','reference file created for the IFC4 specification');
/* NOTE schema name to be replaced with 'IFC4' after the final release ------------------------ */
FILE_SCHEMA(('IFC4'));
ENDSEC;
DATA;
/* --------------------------------------------------------------------------------------------- */
/* general entities required for all IFC data sets, defining the context for the exchange ------ */
#100=IFCPROJECT('0xScRe4drECQ4DMSqUjd6d',#110,'proxy with tessellation',$,$,$,$,(#201),#301);
/* single owner history sufficient if not otherwise required by the view definition ------------ */
/* provides the person and application creating the data set, and the time it is created ------- */
#110=IFCOWNERHISTORY(#111,#115,$,.ADDED.,1320688800,$,$,1320688800);
#111=IFCPERSONANDORGANIZATION(#112,#113,$);
#112=IFCPERSON($,'Liebich','Thomas',$,$,$,$,$);
#113=IFCORGANIZATION($,'buildingSMART International',$,$,$);
#115=IFCAPPLICATION(#113,'1.0','IFC text editor','ifcTE');
/* each IFC data set containing geometry has to define a geometric representation context ------ */
/* the attribute 'ContextType' has to be 'Model' for 3D model geometry ------------------------- */
#201=IFCGEOMETRICREPRESENTATIONCONTEXT($,'Model',3,1.0E-5,#210,$);
/* the attribute 'ContextIdentifier' has to be 'Body' for the main 3D shape representation ----- */
#202=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Body','Model',*,*,*,*,#201,$,.MODEL_VIEW.,$);
#210=IFCAXIS2PLACEMENT3D(#901,$,$);
/* each IFC data set containing geometry has to define at absolute minimum length and angle ---- */
/* here length is milli metre as SI unit, and plane angle is 'degree' as non SI unit ----------- */
#301=IFCUNITASSIGNMENT((#311,#312));
#311=IFCSIUNIT(*,.LENGTHUNIT.,.MILLI.,.METRE.);
#312=IFCCONVERSIONBASEDUNIT(#313,.PLANEANGLEUNIT.,'degree',#314);
#313=IFCDIMENSIONALEXPONENTS(0,0,0,0,0,0,0);
#314=IFCMEASUREWITHUNIT(IFCPLANEANGLEMEASURE(0.017453293),#315);
#315=IFCSIUNIT(*,.PLANEANGLEUNIT.,$,.RADIAN.);
/* each IFC data set containing elements in a building context has to include a building ------- */
/* at absolute minimum (could have a site and stories as well) --------------------------------- */
#500=IFCBUILDING('2FCZDorxHDT8NI01kdXi8P',$,'Test Building',$,$,#511,$,$,.ELEMENT.,$,$,$);
/* if the building is the uppermost spatial structure element it defines the absolut position -- */
#511=IFCLOCALPLACEMENT($,#512);
/* no rotation - z and x axes set to '$' are therefore identical to "world coordinate system" -- */
#512=IFCAXIS2PLACEMENT3D(#901,$,$);
/* if the building is the uppermost spatial structure element it is assigned to the project ---- */
#519=IFCRELAGGREGATES('2YBqaV_8L15eWJ9DA1sGmT',$,$,$,#100,(#500));
/* shared coordinates - it is permissable to share common instances to reduce file size -------- */
#901=IFCCARTESIANPOINT((0.,0.,0.));
#902=IFCDIRECTION((1.,0.,0.));
#903=IFCDIRECTION((0.,1.,0.));
#904=IFCDIRECTION((0.,0.,1.));
#905=IFCDIRECTION((-1.,0.,0.));
#906=IFCDIRECTION((0.,-1.,0.));
#907=IFCDIRECTION((0.,0.,-1.));
/* --------------------------------------------------------------------------------------------- */
/* proxy element with tessellated shape representation, assigned to the building --------------- */
#1000=IFCBUILDINGELEMENTPROXY('1kTvXnbbzCWw8lcMd1dR4o',$,'P-1','sample proxy',$,#1001,#1010,$,$);
/* proxy element placement relative to the building -------------------------------------------- */
#1001=IFCLOCALPLACEMENT(#511,#1002);
/* set local placement to 1 meter on x-axis, and 0 on y, and 0 on z axes ----------------------- */
/* no rotation - z and x axes set to '$' are therefore identical to those of building ---------- */
#1002=IFCAXIS2PLACEMENT3D(#1003,$,$);
#1003=IFCCARTESIANPOINT((1000.,0.,0.));
/* proxy element shape representation ---------------------------------------------------------- */
#1010=IFCPRODUCTDEFINITIONSHAPE($,$,(#1020));
/* a single shape representation of type 'Tessellation' is included ---------------------------- */
#1020=IFCSHAPEREPRESENTATION(#202,'Body','Tessellation',(#1021));
/* tessellated surface representation by triangulation ----------------------------------------- */
/* cube, 1m width, 1m depth, 2m height --------------------------------------------------------- */
#1021=IFCTRIANGULATEDFACESET(#1022,$,.T.,((1,6,5)(1,6,5),(1,2,6)(1,2,6),(6,2,7)(6,2,7),(7,2,3)(7,2,3),(7,8,6)(7,8,6),(6,8,5)(6,8,5),(5,8,1)(5,8,1),(1,8,4)(1,8,4),(4,2,1)(4,2,1),(2,4,3)(2,4,3),(4,8,7)(4,8,7),(7,3,4)(7,3,4)),$);
#1022=IFCCARTESIANPOINTLIST3D(((-500.,-500.,0.)(-500.,-500.,0.),(500.,-500.,0.)(500.,-500.,0.),(500.,500.,0.)(500.,500.,0.),(-500.,500.,0.)(-500.,500.,0.),(-500.,-500.,2000.)(-500.,-500.,2000.),(500.,-500.,2000.)(500.,-500.,2000.),(500.,500.,2000.)(500.,500.,2000.),(-500.,500.,2000.)(-500.,500.,2000.)));
/* proxy element assigned to the building ------------------------------------------------------ */
#10000=IFCRELCONTAINEDINSPATIALSTRUCTURE('2TnxZkTXT08eDuMuhUUFNy',$,'Physical model',$,(#1000),#500);
ENDSEC;
END-ISO-10303-21;