public static void test_tiling()
{
Vector2d origin = Vector2d.Zero;
double radius = 22;
Circle2d circ = new Circle2d(origin, radius);
AxisAlignedBox2d elemBounds = circ.Bounds;
//elemBounds.Max.x += radius / 2;
AxisAlignedBox2d packBounds = new AxisAlignedBox2d(0, 0, 800, 400);
double spacing = 5;
Polygon2d boundsPoly = new Polygon2d();
for (int i = 0; i < 4; ++i)
{
boundsPoly.AppendVertex(packBounds.GetCorner(i));
}
//List<Vector2d> packed = TilingUtil.BoundedRegularTiling2(elemBounds, packBounds, spacing);
List <Vector2d> packed = TilingUtil.BoundedCircleTiling2(elemBounds, packBounds, spacing);
System.Console.WriteLine("packed {0}", packed.Count);
SVGWriter writer = new SVGWriter();
foreach (Vector2d t in packed)
{
writer.AddCircle(new Circle2d(origin + t, radius), SVGWriter.Style.Outline("black", 1.0f));
}
writer.AddPolygon(boundsPoly, SVGWriter.Style.Outline("red", 2.0f));
writer.Write(TestUtil.GetTestOutputPath("test.svg"));
}
protected override void SolveInstance(IGH_DataAccess DA)
{
DMesh3_goo goo = null;
double lattice_radius = 0.05;
double lattice_spacing = 0.4;
double shell_thickness = 0.05;
int mesh_resolution = 64;
DA.GetData(0, ref goo);
DA.GetData(1, ref lattice_radius);
DA.GetData(2, ref lattice_spacing);
DA.GetData(3, ref shell_thickness);
DA.GetData(4, ref mesh_resolution);
DMesh3 mesh = new DMesh3(goo.Value);
var shellMeshImplicit = g3ghUtil.MeshToImplicit(mesh, 128, shell_thickness);
double max_dim = mesh.CachedBounds.MaxDim;
AxisAlignedBox3d bounds = new AxisAlignedBox3d(mesh.CachedBounds.Center, max_dim / 2);
bounds.Expand(2 * lattice_spacing);
AxisAlignedBox2d element = new AxisAlignedBox2d(lattice_spacing);
AxisAlignedBox2d bounds_xy = new AxisAlignedBox2d(bounds.Min.xy, bounds.Max.xy);
AxisAlignedBox2d bounds_xz = new AxisAlignedBox2d(bounds.Min.xz, bounds.Max.xz);
AxisAlignedBox2d bounds_yz = new AxisAlignedBox2d(bounds.Min.yz, bounds.Max.yz);
List <BoundedImplicitFunction3d> Tiling = new List <BoundedImplicitFunction3d>();
foreach (g3.Vector2d uv in TilingUtil.BoundedRegularTiling2(element, bounds_xy, 0))
{
Segment3d seg = new Segment3d(new g3.Vector3d(uv.x, uv.y, bounds.Min.z), new g3.Vector3d(uv.x, uv.y, bounds.Max.z));
Tiling.Add(new ImplicitLine3d()
{
Segment = seg, Radius = lattice_radius
});
}
foreach (g3.Vector2d uv in TilingUtil.BoundedRegularTiling2(element, bounds_xz, 0))
{
Segment3d seg = new Segment3d(new g3.Vector3d(uv.x, bounds.Min.y, uv.y), new g3.Vector3d(uv.x, bounds.Max.y, uv.y));
Tiling.Add(new ImplicitLine3d()
{
Segment = seg, Radius = lattice_radius
});
}
foreach (g3.Vector2d uv in TilingUtil.BoundedRegularTiling2(element, bounds_yz, 0))
{
Segment3d seg = new Segment3d(new g3.Vector3d(bounds.Min.x, uv.x, uv.y), new g3.Vector3d(bounds.Max.x, uv.x, uv.y));
Tiling.Add(new ImplicitLine3d()
{
Segment = seg, Radius = lattice_radius
});
}
ImplicitNaryUnion3d lattice = new ImplicitNaryUnion3d()
{
Children = Tiling
};
ImplicitIntersection3d lattice_clipped = new ImplicitIntersection3d()
{
A = lattice, B = shellMeshImplicit
};
g3.MarchingCubes c = new g3.MarchingCubes();
c.Implicit = lattice_clipped;
c.RootMode = g3.MarchingCubes.RootfindingModes.LerpSteps;
c.RootModeSteps = 5;
c.Bounds = lattice_clipped.Bounds();
c.CubeSize = c.Bounds.MaxDim / mesh_resolution;
c.Bounds.Expand(3 * c.CubeSize);
c.Generate();
MeshNormals.QuickCompute(c.Mesh);
DA.SetData(0, c.Mesh);
}
