public static void basic_tests()
{
DMesh3 mesh = TestUtil.LoadTestInputMesh("three_edge_crack.obj");
MergeCoincidentEdges merge = new MergeCoincidentEdges(mesh);
merge.Apply();
Util.gDevAssert(mesh.BoundaryEdgeIndices().Count() == 0);
mesh.CheckValidity(true, FailMode.DebugAssert);
TestUtil.WriteTestOutputMesh(mesh, "three_edge_crack_merged.obj");
DMesh3 mesh2 = TestUtil.LoadTestInputMesh("crack_loop.obj");
MergeCoincidentEdges merge2 = new MergeCoincidentEdges(mesh2);
merge2.Apply();
Util.gDevAssert(mesh2.BoundaryEdgeIndices().Count() == 0);
mesh2.CheckValidity(true, FailMode.DebugAssert);
TestUtil.WriteTestOutputMesh(mesh2, "crack_loop_merged.obj");
DMesh3 mesh3 = TestUtil.LoadTestInputMesh("cracks_many.obj");
MergeCoincidentEdges merge3 = new MergeCoincidentEdges(mesh3);
merge3.Apply();
Util.gDevAssert(mesh3.BoundaryEdgeIndices().Count() == 0);
mesh3.CheckValidity(true, FailMode.DebugAssert);
TestUtil.WriteTestOutputMesh(mesh3, "cracks_many_merged.obj");
DMesh3 mesh4 = TestUtil.LoadTestInputMesh("cracks_duplicate_edge.obj");
MergeCoincidentEdges merge4 = new MergeCoincidentEdges(mesh4);
merge4.Apply();
Util.gDevAssert(mesh4.BoundaryEdgeIndices().Count() == 0);
mesh4.CheckValidity(true, FailMode.DebugAssert);
TestUtil.WriteTestOutputMesh(mesh4, "cracks_duplicate_edge_merged.obj");
}
public static void merge_test_closed_mesh()
{
DMesh3 mesh = TestUtil.MakeCappedCylinder(true, 4);
mesh.CheckValidity();
DMesh3.MergeEdgesInfo info;
int merges = 0;
while (true)
{
List <int> be = new List <int>(mesh.BoundaryEdgeIndices());
if (be.Count == 0)
{
break;
}
int ea = be[0];
int eo = find_pair_edge(mesh, ea, be);
if (eo != DMesh3.InvalidID)
{
var result = mesh.MergeEdges(ea, eo, out info);
Util.gDevAssert(result == MeshResult.Ok);
TestUtil.WriteTestOutputMesh(mesh, "after_last_merge.obj");
mesh.CheckValidity();
merges++;
}
}
mesh.CheckValidity();
DMesh3 originalMesh = TestUtil.LoadTestInputMesh("three_edge_crack.obj");
List <int> bdryedges = new List <int>(originalMesh.BoundaryEdgeIndices());
for (int k = 0; k < bdryedges.Count; ++k)
{
DMesh3 copyMesh = new DMesh3(originalMesh);
List <int> be = new List <int>(copyMesh.BoundaryEdgeIndices());
int ea = be[k];
int eo = find_pair_edge(copyMesh, ea, be);
if (eo != DMesh3.InvalidID)
{
var result = copyMesh.MergeEdges(ea, eo, out info);
Util.gDevAssert(result == MeshResult.Ok);
if (k == 3)
{
TestUtil.WriteTestOutputMesh(copyMesh, "after_last_merge.obj");
}
mesh.CheckValidity();
}
}
// this should fail at every edge because it would create bad-orientation edges
DMesh3 dupeMesh = TestUtil.LoadTestInputMesh("duplicate_4tris.obj");
List <int> dupeBE = new List <int>(dupeMesh.BoundaryEdgeIndices());
for (int k = 0; k < dupeBE.Count; ++k)
{
int ea = dupeBE[k];
int eo = find_pair_edge(dupeMesh, ea, dupeBE);
if (eo != DMesh3.InvalidID)
{
var result = dupeMesh.MergeEdges(ea, eo, out info);
Util.gDevAssert(result == MeshResult.Failed_SameOrientation);
mesh.CheckValidity();
TestUtil.WriteTestOutputMesh(dupeMesh, "after_last_merge.obj");
}
}
}
