public static void test_1()
{
DMesh3 mesh = TestUtil.LoadTestInputMesh("bunny_solid.obj");
int num_cells = 64;
double cell_size = mesh.CachedBounds.MaxDim / num_cells;
MeshSignedDistanceGrid sdf = new MeshSignedDistanceGrid(mesh, cell_size)
{
ExactBandWidth = 5
};
sdf.Compute();
var iso = new DenseGridTrilinearImplicit(sdf.Grid, sdf.GridOrigin, sdf.CellSize);
var skel_field = new DistanceFieldToSkeletalField()
{
DistanceField = iso, FalloffDistance = 5 * cell_size
};
var offset_field = new ImplicitOffset3d()
{
A = skel_field, Offset = DistanceFieldToSkeletalField.ZeroIsocontour
};
MarchingCubesPro c = new MarchingCubesPro();
//c.Implicit = iso;
//c.Implicit = skel_field;
//c.IsoValue = DistanceFieldToSkeletalField.ZeroIsocontour;
c.Implicit = offset_field;
c.Bounds = mesh.CachedBounds;
c.CubeSize = c.Bounds.MaxDim / 128;
c.Bounds.Expand(3 * c.CubeSize);
//c.RootMode = MarchingCubesPro.RootfindingModes.Bisection;
c.ParallelCompute = false;
c.Generate();
//c.GenerateContinuation(mesh.Vertices());
TestUtil.WriteTestOutputMesh(c.Mesh, "mcpro_output.obj");
}
public static void test_2()
{
DMesh3 mesh = TestUtil.LoadTestInputMesh("bunny_solid.obj");
DMeshAABBTree3 spatial = new DMeshAABBTree3(mesh, true);
int num_cells = 64;
double cell_size = mesh.CachedBounds.MaxDim / num_cells;
CachingMeshSDF sdf = new CachingMeshSDF(mesh, cell_size, spatial);
sdf.MaxOffsetDistance = (float)(4 * cell_size);
sdf.Initialize();
gParallel.ForEach(sdf.Grid.Indices(), (idx) => {
sdf.GetValue(idx);
});
CachingMeshSDFImplicit sdf_iso = new CachingMeshSDFImplicit(sdf);
var skel_field = new DistanceFieldToSkeletalField()
{
DistanceField = sdf_iso, FalloffDistance = 5 * cell_size
};
MarchingCubesPro c = new MarchingCubesPro();
//c.Implicit = sdf_iso;
c.Implicit = skel_field;
//c.IsoValue = DistanceFieldToSkeletalField.ZeroIsocontour;
c.Bounds = mesh.CachedBounds;
c.CubeSize = c.Bounds.MaxDim / 128;
c.Bounds.Expand(3 * c.CubeSize);
c.RootMode = MarchingCubesPro.RootfindingModes.Bisection;
c.ParallelCompute = false;
c.Generate();
//c.GenerateContinuation(mesh.Vertices());
c.Mesh.ReverseOrientation();
TestUtil.WriteTestOutputMesh(c.Mesh, "mcpro_output.obj");
}
