public void CircleHollowProfileDefTest()
{
using (var m = XbimModel.CreateTemporaryModel())
{
using (var txn = m.BeginTransaction())
{
var prof = IfcModelBuilder.MakeCircleHollowProfileDef(m, 20, 5);
var face = _xbimGeometryCreator.CreateFace(prof);
Assert.IsTrue(face.Area > 0);
}
}
}
public void ConvertIfcCircleHollowProfileToBRepTest()
{
using (var m = IfcModelBuilder.CreateandInitModel())
{
using (var txn = m.BeginTransaction())
{
//add a shape
//Create a Definition shape to hold the geometry
var shape = m.Instances.New <IfcShapeRepresentation>();
shape.ContextOfItems = m.IfcProject.ModelContext();
shape.RepresentationType = "Brep";
shape.RepresentationIdentifier = "Body";
//Create a Product Definition and add the model geometry to the wall
var rep = m.Instances.New <IfcProductDefinitionShape>();
rep.Representations.Add(shape);
var building = m.Instances.OfType <IfcBuilding>().FirstOrDefault();
Assert.IsNotNull(building, "Failed to find Building");
building.Representation = rep;
var block = IfcModelBuilder.MakeExtrudedAreaSolid(m, IfcModelBuilder.MakeCircleHollowProfileDef(m, 1000, 500), 3000);
var solid = _xbimGeometryCreator.CreateSolid(block);
var brep = _xbimGeometryCreator.CreateFacetedBrep(m, solid);
shape.Items.Add(brep);
var solid2 = _xbimGeometryCreator.CreateSolidSet(brep); //round trip it
txn.Commit();
try
{
//Uncomment below to see the results in Ifc
//m.SaveAs("brep.ifc", XbimStorageType.IFC);
}
catch (Exception)
{
Assert.IsTrue(false, "Failed to save the results to Ifc");
}
Assert.IsTrue(solid2.Count == 1, "Expected one solid");
IfcCsgTests.GeneralTest(solid2.First);
Assert.IsTrue(brep.Outer.CfsFaces.Count == solid2.First.Faces.Count, "Number of faces in round tripped solid is not the same");
}
}
}
public void ReadWriteTriangulationOfNonPlanarSolidTest()
{
using (var m = XbimModel.CreateTemporaryModel())
{
using (var txn = m.BeginTransaction())
{
var profile = IfcModelBuilder.MakeCircleHollowProfileDef(m, 20, 1);
var extrude = IfcModelBuilder.MakeExtrudedAreaSolid(m, profile, 40);
var solid = XbimGeometryCreator.CreateSolid(extrude);
TextWriter tw = new StringWriter();
XbimGeometryCreator.WriteTriangulation(tw, solid, m.ModelFactors.Precision, m.ModelFactors.DeflectionTolerance, 0.5);
TextReader tr = new StringReader(tw.ToString());
IXbimGeometryObject geom = XbimGeometryCreator.ReadTriangulation(tr);
var triangulatedSold = geom as IXbimSolid;
Assert.IsNotNull(triangulatedSold, "Invalid solid returned");
Assert.IsTrue(Math.Abs(solid.Volume - triangulatedSold.Volume) < 5, "Volume differs too much");
}
}
}
public void ConvertXbimSolidFromXbimFacetedSolidCurvedTest()
{
using (var m = XbimModel.CreateTemporaryModel())
{
using (var txn = m.BeginTransaction())
{
var profile = IfcModelBuilder.MakeCircleHollowProfileDef(m, 20, 2);
var extrude = IfcModelBuilder.MakeExtrudedAreaSolid(m, profile, 40);
var solid = XbimGeometryCreator.CreateSolid(extrude);
var faceted = XbimGeometryCreator.CreateFacetedSolid(solid, m.ModelFactors.Precision,
m.ModelFactors.DeflectionTolerance * 10, 1);
var solid2 = XbimGeometryCreator.CreateSolid(faceted);
Assert.IsTrue(solid2.Shells.Count == faceted.Shells.Count, "Shell count differs");
Assert.IsTrue(solid2.Faces.Count == faceted.Faces.Count, "Face count differs");
Assert.IsTrue(solid2.Edges.Count == faceted.Edges.Count, "Edge count differs");
Assert.IsTrue(solid2.Vertices.Count == faceted.Vertices.Count, "Vertex count differs");
Assert.IsTrue(Math.Abs(faceted.Volume - solid2.Volume) < 0.001, "Volume differs");
Assert.IsTrue(Math.Abs(solid.Volume - solid2.Volume) < 30, "Volume differs");
}
}
}
