public IXbimSolid CreateSolid(IfcHalfSpaceSolid ifcSolid)
{
return(_engine.CreateSolid(ifcSolid));
}
private static Solid getSolidFromIfcBooleanClippingResult(IfcBooleanClippingResult bcr)
{
Solid op1 = null, op2 = null;
Solid mmm = null;
Entity e;
if (bcr.FirstOperand is IfcBooleanClippingResult)
{
op1 = getSolidFromIfcBooleanClippingResult((IfcBooleanClippingResult)bcr.FirstOperand);
}
else
{
e = getEntityFromIfcRepresentationItem((IfcRepresentationItem)bcr.FirstOperand);
if (e != null)// && (e is Solid || e is Mesh))
{
if (e is Mesh)
{
op1 = ((Mesh)e).ConvertToSolid();
}
else
{
op1 = (Solid)e;
}
}
}
//m = getMeshFromIfcRepresentationItem((IfcRepresentationItem)bcr.SecondOperand);
//if (m != null)
// op2 = m.ConvertToSolid();
if (bcr.SecondOperand is IfcPolygonalBoundedHalfSpace)
{
IfcPolygonalBoundedHalfSpace polB = (IfcPolygonalBoundedHalfSpace)bcr.SecondOperand;
IfcPlane baseSurface = (IfcPlane)polB.BaseSurface;
Plane cutPln = Conversion.getPlaneFromPosition(baseSurface.Position);
devDept.Eyeshot.Entities.Region r = new RectangularRegion(cutPln, 100, 100, true);
mmm = r.ExtrudeAsSolid(cutPln.AxisZ * 0.1, 0.1);
Plane boundaryPlane = Conversion.getPlaneFromPosition(polB.Position);
Align3D align = new Align3D(Plane.XY, boundaryPlane);
ICurve boundary = getICurveFromIfcCurve(polB.PolygonalBoundary);
if (boundary != null)
{
devDept.Eyeshot.Entities.Region region = new devDept.Eyeshot.Entities.Region(boundary);
region.TransformBy(align);
Vector3D extDir = boundaryPlane.AxisZ;
op2 = region.ExtrudeAsSolid(extDir * 20, 0.1); // 0.1 tolerance must be computed according to object size
if (!polB.AgreementFlag)
{
cutPln.Flip();
}
op2.CutBy(cutPln);
}
}
else if (bcr.SecondOperand is IfcHalfSpaceSolid)
{
IfcHalfSpaceSolid hs = (IfcHalfSpaceSolid)bcr.SecondOperand;
IfcPlane ip = (IfcPlane)hs.BaseSurface;
Plane pln = Conversion.getPlaneFromPosition(ip.Position);
if (!hs.AgreementFlag)
{
pln.Flip();
}
if (op1 != null)
{
op1.CutBy(pln);
}
return(op1);
}
if (op1 == null || op2 == null)
{
return(null);
}
//op1.TransformBy(trs);
//op2.TransformBy(trs);
//viewportLayout1.Entities.Add(op1, testLayer, Color.Red);
//viewportLayout1.Entities.Add(op2, testLayer, Color.Blue);
//return null;
Solid[] result;
double tolerance = 0.01;
switch (bcr.Operator)
{
case IfcBooleanOperator.DIFFERENCE:
result = Solid.Difference(op1, op2, tolerance); //su dll nuova e' possibile inserire parametro di tolleranza
break;
case IfcBooleanOperator.UNION:
result = Solid.Union(op1, op2, tolerance);
break;
case IfcBooleanOperator.INTERSECTION:
result = Solid.Intersection(op1, op2, tolerance);
break;
default:
return(null);
}
//WriteSTL ws = new WriteSTL(new Entity[] { op1, op2, mmm }, new Layer[] { new Layer("Default") }, new Dictionary<string, Block>(), @"c:\devdept\booleanError\gino" + count + ".stl", 0.01, true);
//count++;
//ws.DoWork();
if (result != null)
{
return(result[0]);
}
else
{
WriteSTL ws = new WriteSTL(new Entity[] { op1, op2 }, new Layer[] { new Layer("Default") }, new Dictionary <string, Block>(), @"c:\devdept\booleanError\gino" + bcr.Index + ".stl", 0.01, true);
count++;
ws.DoWork();
debug += "Error in boolean operation\n";
return(op1);
}
}