public void SectionWithInnerWireTest()
{
using (var m = new MemoryModel(new Ifc4.EntityFactoryIfc4()))
{
using (var txn = m.BeginTransaction(""))
{
var csgTree = m.Instances.New <IfcCsgSolid>();
var bresult = m.Instances.New <IfcBooleanResult>();
var cylinderInner = IfcModelBuilder.MakeRightCircularCylinder(m, 10, 20);
var cylinderOuter = IfcModelBuilder.MakeRightCircularCylinder(m, 20, 20);
bresult.FirstOperand = cylinderOuter;
bresult.SecondOperand = cylinderInner;
bresult.Operator = IfcBooleanOperator.DIFFERENCE;
csgTree.TreeRootExpression = bresult;
var solid = geomEngine.CreateSolidSet(csgTree, logger).FirstOrDefault();
var plane = IfcModelBuilder.MakePlane(m, new XbimPoint3D(cylinderInner.Position.Location.X + 1, cylinderInner.Position.Location.Y, cylinderInner.Position.Location.Z), new XbimVector3D(0, 0, 1), new XbimVector3D(0, 1, 0));
var cutPlane = geomEngine.CreateFace(plane, logger);
var section = solid.Section(cutPlane, m.ModelFactors.PrecisionBoolean);
Assert.IsTrue(section.First != null, "Result should be a face");
Assert.IsTrue(section.First.OuterBound.Edges.Count == 1, "1 edge is required for this section of a cylinder");
Assert.IsTrue(section.First.InnerBounds.Count == 1, "1 inner wire is required for this section of a cylinder");
}
}
}
public void BooleanIntersectSolidTest()
{
using (var m = new MemoryModel(new Ifc4.EntityFactoryIfc4()))
{
using (var txn = m.BeginTransaction(""))
{
var cylinder = IfcModelBuilder.MakeRightCircularCylinder(m, 10, 20);
var sphere = IfcModelBuilder.MakeSphere(m, 15);
var a = geomEngine.CreateSolid(sphere, logger);
var b = geomEngine.CreateSolid(cylinder, logger);
var solidSet = a.Intersection(b, m.ModelFactors.PrecisionBoolean);
Assert.IsTrue(solidSet.Count == 1, "intersecting these two solids should return a single solid");
IsSolidTest(solidSet.First);
}
}
}
public void CutTwoCylindersTest()
{
using (var m = new MemoryModel(new Ifc4.EntityFactoryIfc4()))
{
using (var txn = m.BeginTransaction(""))
{
var cylinderInner = IfcModelBuilder.MakeRightCircularCylinder(m, 10, 20);
var cylinderOuter = IfcModelBuilder.MakeRightCircularCylinder(m, 20, 20);
var logger = loggerFactory.CreateLogger <IfcBooleanTests>();
var outer = geomEngine.CreateSolid(cylinderOuter, logger);
var inner = geomEngine.CreateSolid(cylinderInner, logger);
var solidSet = outer.Cut(inner, m.ModelFactors.PrecisionBoolean);
Assert.IsTrue(solidSet.Count == 1, "Cutting these two solids should return a single solid");
IsSolidTest(solidSet.First);
txn.Commit();
}
}
}
public void IfcRightCircularCylinderTest()
{
using (var m = new MemoryModel(new Xbim.Ifc4.EntityFactoryIfc4()))
{
using (var txn = m.BeginTransaction("Test"))
{
const double h = 2; const double r = 0.5;
var cylinder = IfcModelBuilder.MakeRightCircularCylinder(m, r, h);
var solid = geomEngine.CreateSolid(cylinder);
Assert.IsTrue(solid.Faces.Count == 3, "3 faces are required of a cylinder");
Assert.IsTrue(solid.Vertices.Count == 2, "2 vertices are required of a cylinder");
var meshRec = new MeshHelper();
geomEngine.Mesh(meshRec, solid, m.ModelFactors.Precision, m.ModelFactors.DeflectionTolerance * 10);
Assert.IsTrue(meshRec.FaceCount == 3, "3 mesh faces are required of a cylinder");
Assert.IsTrue(meshRec.PointCount == 106, "106 mesh points are required of a cylinder");
txn.Commit();
}
}
}
public void IfcCsgIntersectionTest()
{
using (var m = new MemoryModel(new Ifc4.EntityFactoryIfc4()))
{
using (var txn = m.BeginTransaction(""))
{
var csgTree = m.Instances.New <IfcCsgSolid>();
var bresult = m.Instances.New <IfcBooleanResult>();
var cylinder = IfcModelBuilder.MakeRightCircularCylinder(m, 10, 20);
var sphere = IfcModelBuilder.MakeSphere(m, 15);
bresult.FirstOperand = cylinder;
bresult.SecondOperand = sphere;
bresult.Operator = IfcBooleanOperator.INTERSECTION;
csgTree.TreeRootExpression = bresult;
var solid = geomEngine.CreateSolidSet(csgTree, logger).FirstOrDefault();
Assert.IsTrue(solid.Faces.Count == 3, "3 faces are required of this csg solid");
Assert.IsTrue(solid.Vertices.Count == 3, "3 vertices are required of this csg solid");
}
}
}
public void SectionOfCylinderTest()
{
using (var m = new MemoryModel(new Ifc4.EntityFactoryIfc4()))
{
using (var txn = m.BeginTransaction(""))
{
var cylinder = IfcModelBuilder.MakeRightCircularCylinder(m, 20, 20);
var solid = geomEngine.CreateSolid(cylinder, logger);
var plane = IfcModelBuilder.MakePlane(m, new XbimPoint3D(cylinder.Position.Location.X + 1, cylinder.Position.Location.Y, cylinder.Position.Location.Z), new XbimVector3D(0, -1, 0), new XbimVector3D(1, 0, 0));
var cutPlane = geomEngine.CreateFace(plane, logger);
var section = solid.Section(cutPlane, m.ModelFactors.PrecisionBoolean);
Assert.IsTrue(section.First != null, "Result should be a face");
Assert.IsTrue(section.First.OuterBound.Edges.Count == 4, "4 edges are required for this section of a cylinder");
//repeat with section through cylinder
plane = IfcModelBuilder.MakePlane(m, new XbimPoint3D(cylinder.Position.Location.X + 1, cylinder.Position.Location.Y, cylinder.Position.Location.Z), new XbimVector3D(0, 0, 1), new XbimVector3D(0, 1, 0));
cutPlane = geomEngine.CreateFace(plane, logger);
section = solid.Section(cutPlane, m.ModelFactors.PrecisionBoolean);
Assert.IsTrue(section.First != null, "Result should be a face");
Assert.IsTrue(section.First.OuterBound.Edges.Count == 1, "1 edge is required for this section of a cylinder");
Assert.IsTrue(section.First.InnerBounds.Count == 0, "0 inner wires are required for this section of a cylinder");
}
}
}
