internal static void test_MeshMeshCut_CutInSingleTriangle()
{
Console.WriteLine($"test_MeshMeshCut_CutInSingleTriangle.");
var shape = test_Bool.MakeBox(
center: new Vector3d(5, 5, 0),
size: new Vector3d(10, 10, 2)
);
var tool = test_Bool.MakeBox(
center: new Vector3d(2.5, 7.5, 1),
size: new Vector3d(.5, .5, .5)
);
MeshTransforms.Translate(shape, new Vector3d(1, 1, 1));
MeshTransforms.Translate(tool, new Vector3d(1, 1, 1));
var error = false;
DMesh3 ret;
using (var c = new ConsoleColorController())
{
var meshCut = new MeshMeshCut();
meshCut.Target = shape;
meshCut.CutMesh = tool;
meshCut.Compute();
}
}
private static void TestWithCloseNumber(double closeEnough)
{
Console.WriteLine($"test_MeshMeshCut_rounding: {closeEnough}");
var shape = test_Bool.MakeBox(
center: new Vector3d(0, 0, 0),
size: new Vector3d(2, 2, 2)
);
var tool = test_Bool.MakeBox(
center: new Vector3d(0, 0, closeEnough),
size: new Vector3d(1, 1, 1)
);
MeshTransforms.Translate(shape, new Vector3d(1, 1, 1));
MeshTransforms.Translate(tool, new Vector3d(1, 1, 1));
var error = false;
DMesh3 ret;
using (var c = new ConsoleColorController())
{
var meshCut = new MeshMeshCut();
meshCut.Target = shape;
meshCut.CutMesh = tool;
meshCut.Compute();
ret = meshCut.Target;
if (!ret.IsClosed())
{
error = TestUtil.ConsoleError("Mesh is not closed.", ret) || error;
}
meshCut.RemoveContained();
if (ret.IsClosed())
{
error = TestUtil.ConsoleError("Mesh should not be closed.", ret) || error;
}
if (ret.BoundaryEdgeIndices().Count() != 8)
{
error = TestUtil.ConsoleError($"Mesh should have 8 open edges. It has {ret.BoundaryEdgeIndices().Count()}.", ret) || error;
}
}
if (!error)
{
Console.WriteLine("ok");
}
}
internal static void test_cut_overlap_tetra()
{
Console.WriteLine($"Testing test_cut_overlap_tetra()");
var tetra0 = MakeTetra(new Vector3d(0, 0, 0), 2);
var tetra1 = MakeTetra(new Vector3d(0, 0, 1), 2);
Stopwatch s = new Stopwatch();
s.Start();
var meshCut = new MeshMeshCut();
meshCut.Target = tetra0;
meshCut.CutMesh = tetra1;
meshCut.Compute();
var remove = meshCut.GetIntersectionSet(MeshMeshCut.IntersectionSets.InternalPlusShared);
if (remove.Count() != 3)
{
// should be 4, 6, 7
TestUtil.ConsoleError("unexpected number of triangles to remove.");
return;
}
tetra0 = MakeTetra(new Vector3d(0, 0, 0), 2);
tetra1 = MakeTetra(new Vector3d(0, 0, 1), 2);
meshCut = new MeshMeshCut();
meshCut.Target = tetra1; // inverse assignment
meshCut.CutMesh = tetra0;
meshCut.Compute();
// remove = meshCut.GetIntersectionSet(MeshMeshCut.IntersectionSets.ExternalPlusShared);
remove = meshCut.Remove(MeshMeshCut.IntersectionSets.ExternalPlusShared);
if (remove.Count() != 9)
{
// should be all except id 2
TestUtil.ConsoleError("unexpected number of triangles to remove.");
return;
}
Console.WriteLine($"Done in {s.ElapsedMilliseconds} ms. ");
// var outF = TestUtil.WriteTestOutputMesh(meshCut.Target, "test_cut_overlap_tetra.obj");
// Console.WriteLine($"Written to: {outF}");
}
internal static void test_cut_contained()
{
Console.WriteLine("Testing cut Contained.");
DMesh3 b1 = TestUtil.LoadTestInputMesh("box1.obj");
DMesh3 b2 = TestUtil.LoadTestInputMesh("box2.obj");
Stopwatch s = new Stopwatch();
s.Start();
var mBool = new MeshMeshCut();
mBool.Target = b1;
mBool.CutMesh = b2;
mBool.Compute();
mBool.RemoveContained();
Console.WriteLine($"Done in {s.ElapsedMilliseconds} ms. ");
var outF = TestUtil.WriteTestOutputMesh(mBool.Target, "MeshOps_CutRemoveContained.obj");
Console.WriteLine($"Written to: {outF}");
}
internal static void test_cut_forStudy()
{
Console.WriteLine("Testing cut coplanar.");
DMesh3 b1 = TestUtil.LoadTestInputMesh("Tri1.obj");
DMesh3 b2 = TestUtil.LoadTestInputMesh("Tri2.obj");
Stopwatch s = new Stopwatch();
s.Start();
var meshCut = new MeshMeshCut();
meshCut.Target = b1;
meshCut.CutMesh = b2;
meshCut.Compute();
meshCut.RemoveContained();
Console.WriteLine($"Done in {s.ElapsedMilliseconds} ms. ");
var outF = TestUtil.WriteTestOutputMesh(meshCut.Target, "MeshOps_CutForStudy.obj");
Console.WriteLine($"Written to: {outF}");
}
private static void testCoplanar(bool invert, string outFileName)
{
var b1 = test_Bool.MakeBox(
center: new Vector3d(0, 0, 0),
size: new Vector3d(1, 1, 1)
);
var b2 = test_Bool.MakeBox(
center: new Vector3d(0, 0, .5),
size: new Vector3d(1.0, 1.0, 1)
);
Stopwatch s = new Stopwatch();
s.Start();
var meshCut = new MeshMeshCut();
meshCut.AttemptPlanarRemoval = true;
if (invert)
{
meshCut.Target = b2;
meshCut.CutMesh = b1;
}
else
{
meshCut.Target = b1;
meshCut.CutMesh = b2;
}
meshCut.Compute();
meshCut.RemoveContained();
Console.WriteLine($"Done in {s.ElapsedMilliseconds} ms. ");
var outF = TestUtil.WriteTestOutputMesh(meshCut.Target, outFileName);
Console.WriteLine($"Written to: {outF}");
}
