int main(int argc, char** argv) {
	const char filename[] = "IfcArbitraryOpenProfileDef.ifc";
	IfcHierarchyHelper file;
	file.filename(filename);

	double coords1[] = {-50.0, 0.0};
	double coords2[] = { 50.0, 0.0};
	IfcSchema::IfcCartesianPoint::list points (new IfcTemplatedEntityList<IfcSchema::IfcCartesianPoint>());
	points->push(new IfcSchema::IfcCartesianPoint(std::vector<double>(coords1, coords1+2)));
	points->push(new IfcSchema::IfcCartesianPoint(std::vector<double>(coords2, coords2+2)));
	file.addEntities(points->generalize());
	IfcSchema::IfcPolyline* poly = new IfcSchema::IfcPolyline(points);
	file.addEntity(poly);

	create_products_from_curve(file, poly);

	IfcSchema::IfcEllipse* ellipse = new IfcSchema::IfcEllipse(file.addPlacement2d(), 50., 25.);
	file.addEntity(ellipse);
	IfcEntityList::ptr trim1(new IfcEntityList);
	IfcEntityList::ptr trim2(new IfcEntityList);
	trim1->push(new IfcWrite::IfcSelectHelper(  0., Ifc2x3::Type::IfcParameterValue));
	trim2->push(new IfcWrite::IfcSelectHelper(180., Ifc2x3::Type::IfcParameterValue));
	IfcSchema::IfcTrimmedCurve* trim = new IfcSchema::IfcTrimmedCurve(ellipse, trim1, trim2, true, IfcSchema::IfcTrimmingPreference::IfcTrimmingPreference_PARAMETER);
	file.addEntity(trim);

	create_products_from_curve(file, trim);

	file.getSingle<Ifc2x3::IfcProject>()->setName("IfcArbitraryOpenProfileDef");

	std::ofstream f(filename);
	f << file;
}
int main(int argc, char** argv) {
	const char filename[] = "IfcCompositeProfileDef.ifc";
	IfcHierarchyHelper file;
	file.header().file_name().name(filename);

	double coords1[] = {100.0, 0.0};
	double coords2[] = {200.0, 0.0};
	double coords3[] = {300.0, 0.0};

	IfcSchema::IfcProfileDef::list::ptr profiles (new IfcSchema::IfcProfileDef::list());

	IfcSchema::IfcCartesianTransformationOperator2D* transform1 = new IfcSchema::IfcCartesianTransformationOperator2D(file.addDoublet<IfcSchema::IfcDirection>(1, 0), file.addDoublet<IfcSchema::IfcDirection>(0, -1), file.addDoublet<IfcSchema::IfcCartesianPoint>(40, 0), null);
	IfcSchema::IfcCartesianTransformationOperator2D* transform2 = new IfcSchema::IfcCartesianTransformationOperator2D(file.addDoublet<IfcSchema::IfcDirection>(0, -1), file.addDoublet<IfcSchema::IfcDirection>(1, 0), file.addDoublet<IfcSchema::IfcCartesianPoint>(40, 0), 0.3);
	
	IfcSchema::IfcProfileDef* p1 = new Ifc2x3::IfcIShapeProfileDef(
		IfcSchema::IfcProfileTypeEnum::IfcProfileType_AREA,
		null, file.addPlacement2d(),    25.0,    50.0,     5.0,     5.0,     2.0);

	IfcSchema::IfcProfileDef* p2 = new Ifc2x3::IfcLShapeProfileDef(
		IfcSchema::IfcProfileTypeEnum::IfcProfileType_AREA,
		null, file.addPlacement2d(),    50.0,    25.0,     5.0,      1.0,     2.0,     2.0,    null,    null);

	IfcSchema::IfcProfileDef* p3 = new Ifc2x3::IfcTShapeProfileDef(
		IfcSchema::IfcProfileTypeEnum::IfcProfileType_AREA,
		null, file.addPlacement2d(),    50.0,    40.0,    10.0,     10.0,     3.0,     2.0,     1.0,     2.0,     2.0,    null);

	IfcSchema::IfcProfileDef* p4 = new Ifc2x3::IfcCShapeProfileDef(
		IfcSchema::IfcProfileTypeEnum::IfcProfileType_AREA,
		null, file.addPlacement2d(80.),    50.0,    25.0,     5.0,    10.0,     2.0,    null);

	file.addEntity(p2);
	file.addEntity(p3);
	
	file.addEntity(transform1);
	file.addEntity(transform2);
	
	IfcSchema::IfcDerivedProfileDef* p5 = new IfcSchema::IfcDerivedProfileDef(IfcSchema::IfcProfileTypeEnum::IfcProfileType_AREA, null, p2, transform1, null);
	IfcSchema::IfcDerivedProfileDef* p6 = new IfcSchema::IfcDerivedProfileDef(IfcSchema::IfcProfileTypeEnum::IfcProfileType_AREA, null, p3, transform2, null);
	
	profiles->push(p1);
	profiles->push(p5);
	profiles->push(p6);
	profiles->push(p4);

	file.addEntities(profiles->generalize());

	IfcSchema::IfcCompositeProfileDef* composite = new IfcSchema::IfcCompositeProfileDef(IfcSchema::IfcProfileTypeEnum::IfcProfileType_AREA, S("IFC"), profiles, null);

	IfcSchema::IfcBuildingElementProxy* product = new IfcSchema::IfcBuildingElementProxy(
			guid(), 0, S("profile"), null, null, 0, 0, null, null);

	file.addBuildingProduct(product);

	product->setOwnerHistory(file.getSingle<IfcSchema::IfcOwnerHistory>());

	product->setObjectPlacement(file.addLocalPlacement());

	IfcSchema::IfcExtrudedAreaSolid* solid = new IfcSchema::IfcExtrudedAreaSolid(composite,
		file.addPlacement3d(), file.addTriplet<IfcSchema::IfcDirection>(0, 0, 1), 20.0);

	file.addEntity(composite);
	file.addEntity(solid);
		
	IfcSchema::IfcRepresentation::list::ptr reps (new IfcSchema::IfcRepresentation::list());
	IfcSchema::IfcRepresentationItem::list::ptr items (new IfcSchema::IfcRepresentationItem::list());
		
	items->push(solid);
	IfcSchema::IfcShapeRepresentation* rep = new IfcSchema::IfcShapeRepresentation(
		file.getSingle<IfcSchema::IfcRepresentationContext>(), S("Body"), S("SweptSolid"), items);
	reps->push(rep);

	IfcSchema::IfcProductDefinitionShape* shape = new IfcSchema::IfcProductDefinitionShape(boost::none, boost::none, reps);
	file.addEntity(rep);
	file.addEntity(shape);
		
	product->setRepresentation(shape);

	file.getSingle<IfcSchema::IfcProject>()->setName("IfcCompositeProfileDef");

	std::ofstream f(filename);
	f << file;
}
void create_curve_rebar(IfcHierarchyHelper& file)
{
	int dia = 24;
	int R = 3 * dia;
	int length = 12 * dia;

	double crossSectionarea = M_PI * (dia / 2) * 2;
	IfcSchema::IfcReinforcingBar* rebar = new IfcSchema::IfcReinforcingBar(
		guid(), 0, S("test"), null,
		null, 0, 0,
		null, S("SR24"),		//SteelGrade
		dia,						//diameter
		crossSectionarea,		//crossSectionarea = math.pi*(12.0/2)**2
		0,
		IfcSchema::IfcReinforcingBarRoleEnum::IfcReinforcingBarRoleEnum::IfcReinforcingBarRole_LIGATURE,
		IfcSchema::IfcReinforcingBarSurfaceEnum::IfcReinforcingBarSurfaceEnum::IfcReinforcingBarSurface_PLAIN	//PLAIN or TEXTURED
		);

	file.addBuildingProduct(rebar);
	rebar->setOwnerHistory(file.getSingle<IfcSchema::IfcOwnerHistory>());

	IfcSchema::IfcCompositeCurveSegment::list::ptr segments(new IfcSchema::IfcCompositeCurveSegment::list());

	IfcSchema::IfcCartesianPoint* p1 = file.addTriplet<IfcSchema::IfcCartesianPoint>(0, 0, 1000.);
	IfcSchema::IfcCartesianPoint* p2 = file.addTriplet<IfcSchema::IfcCartesianPoint>(0, 0, 0);
	IfcSchema::IfcCartesianPoint* p3 = file.addTriplet<IfcSchema::IfcCartesianPoint>(0, R, 0);
	IfcSchema::IfcCartesianPoint* p4 = file.addTriplet<IfcSchema::IfcCartesianPoint>(0, R, -R);
	IfcSchema::IfcCartesianPoint* p5 = file.addTriplet<IfcSchema::IfcCartesianPoint>(0, R + length, -R);

	/*first segment - line */
	IfcSchema::IfcCartesianPoint::list::ptr points1(new IfcSchema::IfcCartesianPoint::list());
	points1->push(p1);
	points1->push(p2);
	file.addEntities(points1->generalize());
	IfcSchema::IfcPolyline* poly1 = new IfcSchema::IfcPolyline(points1);
	file.addEntity(poly1);

	IfcSchema::IfcCompositeCurveSegment* segment1 = new IfcSchema::IfcCompositeCurveSegment(IfcSchema::IfcTransitionCode::IfcTransitionCode_CONTINUOUS, true, poly1);
	file.addEntity(segment1);
	segments->push(segment1);

	/*second segment - arc */
	IfcSchema::IfcAxis2Placement3D* axis1 = new IfcSchema::IfcAxis2Placement3D(p3, file.addTriplet<IfcSchema::IfcDirection>(1, 0, 0), file.addTriplet<IfcSchema::IfcDirection>(0, 1, 0));
	file.addEntity(axis1);
	IfcSchema::IfcCircle* circle = new IfcSchema::IfcCircle(axis1, R);
	file.addEntity(circle);

	IfcEntityList::ptr trim1(new IfcEntityList);
	IfcEntityList::ptr trim2(new IfcEntityList);

	trim1->push(new IfcSchema::IfcParameterValue(180));
	trim1->push(p2);

	trim2->push(new IfcSchema::IfcParameterValue(270));
	trim2->push(p4);
	IfcSchema::IfcTrimmedCurve* trimmed_curve = new IfcSchema::IfcTrimmedCurve(circle, trim1, trim2, false, IfcSchema::IfcTrimmingPreference::IfcTrimmingPreference_PARAMETER);
	file.addEntity(trimmed_curve);

	IfcSchema::IfcCompositeCurveSegment* segment2 = new IfcSchema::IfcCompositeCurveSegment(IfcSchema::IfcTransitionCode::IfcTransitionCode_CONTSAMEGRADIENT, false, trimmed_curve);
	file.addEntity(segment2);
	segments->push(segment2);

	/*third segment - line */
	IfcSchema::IfcCartesianPoint::list::ptr points2(new IfcSchema::IfcCartesianPoint::list());
	points2->push(p4);
	points2->push(p5);
	file.addEntities(points2->generalize());
	IfcSchema::IfcPolyline* poly2 = new IfcSchema::IfcPolyline(points2);
	file.addEntity(poly2);

	IfcSchema::IfcCompositeCurveSegment* segment3 = new IfcSchema::IfcCompositeCurveSegment(IfcSchema::IfcTransitionCode::IfcTransitionCode_CONTINUOUS, true, poly2);
	file.addEntity(segment3);
	segments->push(segment3);

	IfcSchema::IfcCompositeCurve* curve = new IfcSchema::IfcCompositeCurve(segments, false);
	file.addEntity(curve);

	IfcSchema::IfcSweptDiskSolid* solid = new IfcSchema::IfcSweptDiskSolid(curve, dia / 2, null, 0, 1);

	IfcSchema::IfcRepresentation::list::ptr reps(new IfcSchema::IfcRepresentation::list());
	IfcSchema::IfcRepresentationItem::list::ptr items(new IfcSchema::IfcRepresentationItem::list());
	items->push(solid);
	IfcSchema::IfcShapeRepresentation* rep = new IfcSchema::IfcShapeRepresentation(
		file.getSingle<IfcSchema::IfcRepresentationContext>(), S("Body"), S("AdvancedSweptSolid"), items);
	reps->push(rep);

	IfcSchema::IfcProductDefinitionShape* shape = new IfcSchema::IfcProductDefinitionShape(null, null, reps);
	file.addEntity(shape);

	rebar->setRepresentation(shape);

	IfcSchema::IfcObjectPlacement* storey_placement = file.getSingle<IfcSchema::IfcBuildingStorey>()->ObjectPlacement();
	rebar->setObjectPlacement(file.addLocalPlacement(storey_placement, 0, 0, 0));
}