public VoxelGrid(RhCommon_Scene ModelSurfaces, List <IOn3dPoint> Pts, int VG_Domain)
{
VoxelCT = VG_Domain;
VoxelInventory = new List <int> [VoxelCT, VoxelCT, VoxelCT];
Voxel = new List <On3dPoint> [VoxelCT, VoxelCT, VoxelCT];
IRhinoObject[] Surfaces = new IRhinoObject[ModelSurfaces.Count()];
OnBoundingBox TightOBox = new OnBoundingBox();
On3dPoint BoxMin = new On3dPoint();
On3dPoint BoxMax = new On3dPoint();
ArrayOn3dPoint Points = new ArrayOn3dPoint();
for (int i = 0; i < Pts.Count; i++)
{
Points.Append(Pts[i]);
}
RhUtil.RhinoGetTightBoundingBox(Surfaces, ref TightOBox, false, null);
TightOBox.Set(Points, true);
OverallBBox = new OnBoundingBox(new On3dPoint(TightOBox.Min().x - 1, TightOBox.Min().y - 1, TightOBox.Min().z - 1), new On3dPoint(TightOBox.Max().x + 1, TightOBox.Max().y + 1, TightOBox.Max().z + 1));
this.X_Incr = (OverallBBox.Max().x - OverallBBox.Min().x) / VoxelCT;
this.Y_Incr = (OverallBBox.Max().y - OverallBBox.Min().y) / VoxelCT;
this.Z_Incr = (OverallBBox.Max().z - OverallBBox.Min().z) / VoxelCT;
//For((int XBox = 0; XBox < VoxelCT; XBox++)
Parallel.For(0, VoxelCT, XBox =>
{
RhUtil.RhinoApp().SetStatusBarMessagePane(string.Format("Voxelizing: {0}%", Math.Round((double)XBox / VoxelCT - 1, 2) * 100));
for (int YBox = 0; YBox < VoxelCT; YBox++)
{
for (int ZBox = 0; ZBox < VoxelCT; ZBox++)
{
BoxMin = new On3dPoint((OverallBBox.Min().x + this.X_Incr * XBox) - X_Incr / 10, (OverallBBox.Min().y + this.Y_Incr * YBox) - Y_Incr / 10, (OverallBBox.Min().z + this.Z_Incr * ZBox) - Z_Incr / 10);
BoxMax = new On3dPoint((OverallBBox.Min().x + this.X_Incr * (XBox + 1)) + X_Incr / 10, (OverallBBox.Min().y + this.Y_Incr * (YBox + 1)) + Y_Incr / 10, (OverallBBox.Min().z + this.Z_Incr * (ZBox + 1)) + X_Incr / 10);
this.Voxel[XBox, YBox, ZBox] = new List <On3dPoint>();
this.Voxel[XBox, YBox, ZBox].Add(BoxMin);
this.Voxel[XBox, YBox, ZBox].Add(BoxMax);
this.VoxelInventory[XBox, YBox, ZBox] = new List <int>();
for (int Index = 0; Index < ModelSurfaces.Count(); Index++)
{
OnBoundingBox TestBox = new OnBoundingBox();
TestBox = new OnBoundingBox(this.Voxel[XBox, YBox, ZBox][0], this.Voxel[XBox, YBox, ZBox][1]);
if (BoxIntersection(ModelSurfaces, TestBox, Index))
{
this.VoxelInventory[XBox, YBox, ZBox].Add(Index);
}
}
}
}
});
}
///<summary> This gets called when when the user runs this command.</summary>
public override IRhinoCommand.result RunCommand(IRhinoCommandContext context)
{
// Select a curve object
MRhinoGetObject go = new MRhinoGetObject();
go.SetCommandPrompt("Select curve");
go.SetGeometryFilter(IRhinoGetObject.GEOMETRY_TYPE_FILTER.curve_object);
go.GetObjects(1, 1);
if (go.CommandResult() != IRhinoCommand.result.success)
{
return(go.CommandResult());
}
// Validate the selection
IRhinoObject obj = go.Object(0).Object();
if (null == obj)
{
return(IRhinoCommand.result.failure);
}
// Get the active view
MRhinoView view = RhUtil.RhinoApp().ActiveView();
if (null == view)
{
return(IRhinoCommand.result.failure);
}
// Get the construction plane from the active view
OnPlane plane = new OnPlane(view.ActiveViewport().ConstructionPlane().m_plane);
// Create a construction plane aligned bounding box
OnBoundingBox bbox = new OnBoundingBox();
IRhinoObject[] objs = new IRhinoObject[1] {
obj
};
bool rc = RhUtil.RhinoGetTightBoundingBox(objs, ref bbox, false, plane);
if (rc == false)
{
return(IRhinoCommand.result.failure);
}
// Validate bounding box
if (0 != bbox.IsDegenerate())
{
RhUtil.RhinoApp().Print("Curve's tight bounding box is degenerate.\n");
return(IRhinoCommand.result.nothing);
}
// ON_BrepBox wants 8 points defining the box corners
// arranged in this order:
//
// v7______________v6
// |\ |\
// | \ | \
// | \ _____________\
// | v4 | v5
// | | | |
// | | | |
// v3---|---------v2 |
// \ | \ |
// \ | \ |
// \ | \ |
// \v0____________\v1
//
On3dPoint[] box_corners = new On3dPoint[8];
box_corners[0] = bbox.Corner(0, 0, 0);
box_corners[1] = bbox.Corner(1, 0, 0);
box_corners[2] = bbox.Corner(1, 1, 0);
box_corners[3] = bbox.Corner(0, 1, 0);
box_corners[4] = bbox.Corner(0, 0, 1);
box_corners[5] = bbox.Corner(1, 0, 1);
box_corners[6] = bbox.Corner(1, 1, 1);
box_corners[7] = bbox.Corner(0, 1, 1);
// Transform points to the world-xy plane
OnXform p2w = new OnXform();
p2w.ChangeBasis(plane, OnUtil.On_xy_plane);
for (int i = 0; i < 8; i++)
{
box_corners[i].Transform(p2w);
}
// Make a brep box
OnBrep brep = OnUtil.ON_BrepBox(box_corners);
if (null != brep)
{
context.m_doc.AddBrepObject(brep);
context.m_doc.Redraw();
}
return(IRhinoCommand.result.success);
}
