public void TestWrongOrdering()
{
var mesh = new BndFactory(2).CreateMesh() as BndMesh;
var ptL0 = mesh.AddVertex(0, 0);
var ptU0 = mesh.AddVertex(0, 1);
var ptL1 = mesh.AddVertex(1, 0);
var ptU1 = mesh.AddVertex(1, 1);
var ptL2 = mesh.AddVertex(2, 0);
var ptU2 = mesh.AddVertex(2, 1);
mesh.AddFace(ptL0, ptL1, ptU1, ptU0);
var failed = false;
try
{
// This vertex order is inconsistent with the first face added and should cause a failure
mesh.AddFace(ptL1, ptU1, ptU2, ptL2);
}
catch (MeshNavException)
{
failed = true;
}
Assert.IsTrue(failed);
}
public void TestPlacementDegenerate()
{
// Use mesh order for edges
Placement.SetEdgeOrder(-1);
var mesh = new BndFactory(2).CreateMesh() as BndMesh;
// ReSharper disable PossibleNullReferenceException
// ReSharper disable InconsistentNaming
var ptLL = mesh.AddVertex(0, 0);
var ptLR = mesh.AddVertex(1, 0);
var ptUL = mesh.AddVertex(0, 1);
var ptUR = mesh.AddVertex(1, 1);
// ReSharper restore InconsistentNaming
mesh.AddFace(ptLL, ptLR, ptUR, ptUL);
mesh.FinalizeMesh();
var tree = Placement.GetPlacementTree(mesh);
Assert.IsNotNull(tree.LocateFace((T)0.5, (T)0.5));
Assert.IsNull(tree.LocateFace((T)(-1), (T)0.5));
Assert.IsNull(tree.LocateFace((T)0.5, (T)(-1)));
Assert.IsNull(tree.LocateFace((T)0.5, (T)3));
Assert.IsNull(tree.LocateFace((T)1.5, (T)0.5));
mesh = new BndFactory(2).CreateMesh() as BndMesh;
ptLL = mesh.AddVertex(0, 0);
ptLR = mesh.AddVertex(1, 0);
ptUL = mesh.AddVertex(0, 1);
ptUR = mesh.AddVertex(1, 1);
var ul = mesh.AddFace(ptLL, ptUR, ptUL);
var lr = mesh.AddFace(ptUR, ptLL, ptLR);
mesh.FinalizeMesh();
tree = Placement.GetPlacementTree(mesh);
Assert.AreEqual(tree.LocateFace((T)0.5, (T)0.75), ul);
Assert.AreEqual(tree.LocateFace((T)0.5, (T)0.25), lr);
// ReSharper restore PossibleNullReferenceException
}
public void TestBuildAdjacentSquares()
{
var mesh = new BndFactory(2).CreateMesh() as BndMesh;
var ptL0 = mesh.AddVertex(0, 0);
var ptU0 = mesh.AddVertex(0, 1);
var ptL1 = mesh.AddVertex(1, 0);
var ptU1 = mesh.AddVertex(1, 1);
var ptL2 = mesh.AddVertex(2, 0);
var ptU2 = mesh.AddVertex(2, 1);
var faceLeft = mesh.AddFace(ptL0, ptL1, ptU1, ptU0);
var faceRight = mesh.AddFace(ptL1, ptL2, ptU2, ptU1);
mesh.FinalizeMesh();
Assert.AreEqual(4, faceLeft.Edges().Count());
Assert.AreEqual(4, faceRight.Edges().Count());
Assert.AreEqual(14, mesh.HalfEdges.Count());
Assert.AreEqual(6, mesh.BoundaryFaces[0].Edges().Count());
}
public void TestCube()
{
var mesh = new BndFactory(3).CreateMesh() as BndMesh;
var pt000 = mesh.AddVertex(0, 0, 0);
var pt001 = mesh.AddVertex(0, 0, 1);
var pt010 = mesh.AddVertex(0, 1, 0);
var pt011 = mesh.AddVertex(0, 1, 1);
var pt100 = mesh.AddVertex(1, 0, 0);
var pt101 = mesh.AddVertex(1, 0, 1);
var pt110 = mesh.AddVertex(1, 1, 0);
var pt111 = mesh.AddVertex(1, 1, 1);
var bottom = mesh.AddFace(pt000, pt100, pt110, pt010);
var left = mesh.AddFace(pt000, pt010, pt011, pt001);
var front = mesh.AddFace(pt000, pt001, pt101, pt100);
var right = mesh.AddFace(pt100, pt101, pt111, pt110);
var back = mesh.AddFace(pt010, pt110, pt111, pt011);
var top = mesh.AddFace(pt001, pt011, pt111, pt101);
mesh.FinalizeMesh();
Assert.AreEqual(4, bottom.Edges().Count());
Assert.AreEqual(4, top.Edges().Count());
Assert.AreEqual(4, left.Edges().Count());
Assert.AreEqual(4, right.Edges().Count());
Assert.AreEqual(4, front.Edges().Count());
Assert.AreEqual(4, back.Edges().Count());
Assert.AreEqual(0, mesh.BoundaryFaces.Count);
Assert.AreEqual(6, mesh.Faces.Count());
Assert.AreEqual(8, mesh.Vertices.Count());
Assert.AreEqual(24, mesh.HalfEdges.Count());
foreach (var vtx in mesh.Vertices)
{
Assert.AreEqual(3, vtx.AdjacentEdges().Count());
Assert.AreEqual(3, vtx.AdjacentVertices().Count());
}
}