private static IfcTrimmedCurve ToIfcTrimmedCurve(this Arc arc, Document doc)
{
var placement = new Transform().ToIfcAxis2Placement3D(doc);
var ifcCircle = new IfcCircle(new IfcAxis2Placement(placement), new IfcPositiveLengthMeasure(arc.Radius));
var trim1 = new IfcTrimmingSelect(arc.StartAngle);
var trim2 = new IfcTrimmingSelect(arc.EndAngle);
var tc = new IfcTrimmedCurve(ifcCircle, new List <IfcTrimmingSelect> {
trim1
}, new List <IfcTrimmingSelect> {
trim2
},
true, IfcTrimmingPreference.PARAMETER);
doc.AddEntity(placement);
doc.AddEntity(ifcCircle);
return(tc);
}
//transformation function to convert/cast IFC2x3 data to appear as IFC4
private static IIfcTrimmingSelect Trim1ToIfc4(IfcTrimmingSelect member)
{
if (member == null)
{
return(null);
}
switch (member.GetType().Name)
{
case "IfcCartesianPoint":
return(member as IfcCartesianPoint);
case "IfcParameterValue":
return(new Ifc4.MeasureResource.IfcParameterValue((MeasureResource.IfcParameterValue)member));
default:
throw new System.NotSupportedException();
}
}
private static IfcTrimmedCurve ToIfcTrimmedCurve(this Arc arc, Document doc)
{
var t = new Transform(arc.Plane.Origin, arc.Plane.Normal);
var placement = t.ToIfcAxis2Placement3D(doc);
var ifcCircle = new IfcCircle(new IfcAxis2Placement(placement), new IfcPositiveLengthMeasure(arc.Radius));
var start = arc.Start.ToIfcCartesianPoint();
var end = arc.End.ToIfcCartesianPoint();
var trim1 = new IfcTrimmingSelect(start);
var trim2 = new IfcTrimmingSelect(end);
var tc = new IfcTrimmedCurve(ifcCircle, new List <IfcTrimmingSelect> {
trim1
}, new List <IfcTrimmingSelect> {
trim2
},
true, IfcTrimmingPreference.CARTESIAN);
doc.AddEntity(start);
doc.AddEntity(end);
doc.AddEntity(placement);
doc.AddEntity(ifcCircle);
return(tc);
}
private static IfcTrimmedCurve ToIfcTrimmedCurve(this Line line, Document doc)
{
var start = line.Start.ToIfcCartesianPoint();
var end = line.End.ToIfcCartesianPoint();
var dir = line.Direction().ToIfcVector(doc);
var ifcLine = new IfcLine(start, dir);
var trim1 = new IfcTrimmingSelect(start);
var trim2 = new IfcTrimmingSelect(end);
var tc = new IfcTrimmedCurve(ifcLine, new List <IfcTrimmingSelect> {
trim1
}, new List <IfcTrimmingSelect> {
trim2
},
true, IfcTrimmingPreference.CARTESIAN);
doc.AddEntity(start);
doc.AddEntity(end);
doc.AddEntity(dir);
doc.AddEntity(ifcLine);
return(tc);
}
public void ArbitraryClosedProfileDefWithIncorrectPlacementTest()
{
using (var model = IfcStore.Create(new XbimEditorCredentials(), IfcSchemaVersion.Ifc4, XbimStoreType.InMemoryModel))
{
using (var txn = model.BeginTransaction("Create Column"))
{
IfcProject project = model.Instances.New <IfcProject>();
project.Initialize(ProjectUnits.SIUnitsUK);
project.Name = "Test Project";
IfcColumn col = model.Instances.New <IfcColumn>();
col.Name = "Column With ArbitraryClosedProfileDef";
//Creating IfcArbitraryClosedProfileDef that will contain IfcCompositeCurve
IfcArbitraryClosedProfileDef arbClosedProf = model.Instances.New <IfcArbitraryClosedProfileDef>();
//To create IfcArbitraryClosedProfileDef, we'll need to create IfcCompositeCurve
//Creating IfcCompositeCurve
IfcCompositeCurve myCompCurve = model.Instances.New <IfcCompositeCurve>();
//To Create IfcCompositeCurve, We'll need to create IfcCompositeCurveSegment
//create IfcCompositeCurveSegment (polyline)
IfcCompositeCurveSegment polylineSeg = model.Instances.New <IfcCompositeCurveSegment>();
//create IfcCompositeCurveSegment (arc)
IfcCompositeCurveSegment arcSeg = model.Instances.New <IfcCompositeCurveSegment>();
//Creating IfcPolyline that will be the parent curve for IfcCompositeCurveSegment "polylineSeg"
IfcPolyline myPolyline = model.Instances.New <IfcPolyline>();
//Creating Points to build the IfcPolyline
IfcCartesianPoint p0 = model.Instances.New <IfcCartesianPoint>();
p0.SetXY(200, 100);
IfcCartesianPoint p1 = model.Instances.New <IfcCartesianPoint>();
p1.SetXY(0, 100);
IfcCartesianPoint p2 = model.Instances.New <IfcCartesianPoint>();
p2.SetXY(0, 0);
IfcCartesianPoint p3 = model.Instances.New <IfcCartesianPoint>();
p3.SetXY(400, 0);
IfcCartesianPoint p4 = model.Instances.New <IfcCartesianPoint>();
p4.SetXY(400, 600);
IfcCartesianPoint p5 = model.Instances.New <IfcCartesianPoint>();
p5.SetXY(0, 600);
IfcCartesianPoint p6 = model.Instances.New <IfcCartesianPoint>();
p6.SetXY(0, 500);
IfcCartesianPoint p7 = model.Instances.New <IfcCartesianPoint>();
p7.SetXY(200, 500);
//Adding points to the polyline
myPolyline.Points.Add(p0);
myPolyline.Points.Add(p1);
myPolyline.Points.Add(p2);
myPolyline.Points.Add(p3);
myPolyline.Points.Add(p4);
myPolyline.Points.Add(p5);
myPolyline.Points.Add(p6);
myPolyline.Points.Add(p7);
//Assigning myPolyline to the IfcCompositeCurveSegment polylineSeg
polylineSeg.ParentCurve = myPolyline;
//Creating Arc using IfcTrimmedCurve
IfcTrimmedCurve myArc = model.Instances.New <IfcTrimmedCurve>();
//To create IfcTrimmedCurve, We'll need to create IfcCircle and trim it using IfcTrimmingSelect
IfcCircle myCirc = model.Instances.New <IfcCircle>();
myCirc.Radius = 213.554;
IfcCartesianPoint cP = model.Instances.New <IfcCartesianPoint>();
cP.SetXY(125.1312, 300); //this should really be a 3D point
IfcAxis2Placement3D plcmnt = model.Instances.New <IfcAxis2Placement3D>();
plcmnt.Location = cP;
plcmnt.RefDirection = model.Instances.New <IfcDirection>();
plcmnt.RefDirection.SetXY(0, 1);//this should eb a 3D axis
myCirc.Position = plcmnt;
myArc.BasisCurve = myCirc;
IfcTrimmingSelect v1 = p7;
IfcTrimmingSelect v2 = p0;
myArc.Trim1.Add(v1);
myArc.Trim2.Add(v2);
arcSeg.ParentCurve = myArc;
//Adding the created two IfcCompositeCurveSegments to the IfcCompositeCurve
myCompCurve.Segments.Add(arcSeg);
myCompCurve.Segments.Add(polylineSeg);
//Assigning IfcCompositeCurve "myCompCurve" to the IfcArbitraryClosedProfileDef
arbClosedProf.OuterCurve = myCompCurve;
arbClosedProf.ProfileType = IfcProfileTypeEnum.AREA;
//model as a swept area solid
IfcExtrudedAreaSolid body = model.Instances.New <IfcExtrudedAreaSolid>();
body.Depth = 2000;
body.SweptArea = arbClosedProf;
body.ExtrudedDirection = model.Instances.New <IfcDirection>();
body.ExtrudedDirection.SetXYZ(0, 0, 1);
txn.Commit();
var solid = _xbimGeometryCreator.CreateSolid(body);
Assert.IsTrue((int)solid.Volume == 239345450);
}
}
}
