예제 #1
0
            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);
                                }
                            }
                        }
                    }
                });
            }
            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);
                                }
                            }
                        }
                    }
                });
            }
예제 #3
0
            /// <summary>
            /// Intesects all NURBS Surfaces with Voxels.
            /// </summary>
            /// <param name="Model">the scene.</param>
            /// <param name="Box">the voxel</param>
            /// <param name="Index">the index of the surface to test.</param>
            /// <returns></returns>
            private bool BoxIntersection(RhCommon_Scene Model, OnBoundingBox Box, int Index)
            {
                On3dPoint Center = Box.Center();
                double    Radius = Center.DistanceTo(Box.Min());
                double    s      = 0;
                double    t      = 0;
                On3dPoint point  = new On3dPoint();

                if (RhUtil.RhinoBrepClosestPoint(Model.Brep(Index), Center, new OnCOMPONENT_INDEX(), ref s, ref t, point, Radius))
                //if (Center.DistanceTo(point) < Radius)
                {
                    return(true);
                }
                return(false);
            }
 /// <summary>
 /// Intesects all NURBS Surfaces with Voxels.
 /// </summary>
 /// <param name="Model">the scene.</param>
 /// <param name="Box">the voxel</param>
 /// <param name="Index">the index of the surface to test.</param>
 /// <returns></returns>
 private bool BoxIntersection(RhCommon_Scene Model, OnBoundingBox Box, int Index)
 {
     On3dPoint Center = Box.Center();
     double Radius = Center.DistanceTo(Box.Min());
     double s = 0;
     double t = 0;
     On3dPoint point = new On3dPoint();
     if (RhUtil.RhinoBrepClosestPoint(Model.Brep(Index), Center, new OnCOMPONENT_INDEX(), ref s, ref t, point, Radius))
     //if (Center.DistanceTo(point) < Radius)
     {
         return true;
     }
     return false;
 }