Пример #1
0
        /// <summary>
        /// 由截面面域、拉伸路径曲线和拉伸角度创建拉伸体
        /// </summary>
        /// <param name="region">截面面域</param>
        /// <param name="path">拉伸路径曲线</param>
        /// <param name="taperAngle">拉伸角度</param>
        /// <returns>返回创建的拉伸体的Id</returns>
        public static ObjectId AddExtrudedSolid(Region region, Curve path,
                                                double taperAngle)
        {
            Database db = HostApplicationServices.WorkingDatabase;
            Editor   ed = Application.DocumentManager.MdiActiveDocument.Editor;

            try
            {
                Solid3d ent = new Solid3d();
                ent.ExtrudeAlongPath(region, path, taperAngle);

                ObjectId entId = ObjectId.Null;
                using (Transaction tr = db.TransactionManager.StartTransaction())
                {
                    entId = db.AddToModelSpace(ent);
                    tr.Commit();
                }
                return(entId);
            }
            catch
            {
                ed.WriteMessage("\n参数不当,创建拉伸体失败!");
                return(ObjectId.Null);
            }
        }
Пример #2
0
 // 由截面面域、拉伸路径曲线和拉伸角度创建拉伸体的函数.
 public static ObjectId AddExtrudedSolid(Region region, Curve path, double taperAngle)
 {
     try
     {
         Solid3d ent = new Solid3d();
         ent.ExtrudeAlongPath(region, path, taperAngle);
         ObjectId entId = AppendEntity(ent);
         return(entId);
     }
     catch
     {
         ObjectId nullId = ObjectId.Null;
         return(nullId);
     }
 }
Пример #3
0
        private void method_0(ObjectId[] objectId_0, ProgressMeter progressMeter_0, CoordinateSystem coordinateSystem_0)
        {
            Database       workingDatabase = HostApplicationServices.WorkingDatabase;
            Editor         editor          = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;
            List <Solid3d> list            = new List <Solid3d>();
            double         epsilon         = Convert.ToDouble(CMD_FacesToSolid.string_2);
            bool           flag            = true;

            if (CMD_FacesToSolid.string_0 == "N")
            {
                flag = false;
            }
            DBManager.SetEpsilon();
            List <Triangle> list2 = Conversions.ToCeometricAcDbTriangleList(objectId_0);

            if (!Conversions.IsWCS(coordinateSystem_0))
            {
                Triangle.TransformCoordinates(list2, CoordinateSystem.Global(), coordinateSystem_0);
            }
            list2.Sort(new Triangle.CompareMinX());
            int    num  = 0;
            double num2 = -1.7976931348623157E+308;
            double num3 = -1.7976931348623157E+308;
            double num4 = 1.7976931348623157E+308;
            double num5 = 1.7976931348623157E+308;

            for (int i = list2.Count - 1; i >= 0; i--)
            {
                if (list2[i].NormalVector.IsOrthogonalTo(new ngeometry.VectorGeometry.Vector3d(0.0, 0.0, 1.0)))
                {
                    list2.RemoveAt(i);
                    num++;
                }
                else
                {
                    double minimumX = list2[i].MinimumX;
                    if (minimumX < num4)
                    {
                        num4 = minimumX;
                    }
                    double maximumX = list2[i].MaximumX;
                    if (maximumX > num2)
                    {
                        num2 = maximumX;
                    }
                    double minimumY = list2[i].MinimumY;
                    if (minimumY < num5)
                    {
                        num5 = minimumY;
                    }
                    double maximumY = list2[i].MaximumY;
                    if (maximumY > num3)
                    {
                        num3 = maximumY;
                    }
                }
            }
            ngeometry.VectorGeometry.Vector3d vector3d = new ngeometry.VectorGeometry.Vector3d(0.5 * (num4 + num2), 0.5 * (num5 + num3), 0.0);
            double num6 = 0.5 * Math.Max(Math.Abs(num2 - num4), Math.Abs(num3 - num5));
            double num7 = Math.Ceiling(100000.0 / num6);

            for (int j = 0; j < list2.Count; j++)
            {
                list2[j] = list2[j].Move(-1.0 * vector3d);
            }
            SubDMeshHandler subDMeshHandler = new SubDMeshHandler(list2);

            subDMeshHandler.BuildDataStructure(false);
            int k = 2147483647;

            while (k > 0)
            {
                this.messageFilter_0.CheckMessageFilter();
                k    = subDMeshHandler.HealXY(epsilon);
                num += k;
            }
            editor.WriteMessage("\nDegenerate projections healed: " + num);
            Autodesk.AutoCAD.Geometry.Matrix3d matrix3d  = Autodesk.AutoCAD.Geometry.Matrix3d.Scaling(num7, new Point3d(0.0, 0.0, 0.0));
            Autodesk.AutoCAD.Geometry.Matrix3d matrix3d2 = Autodesk.AutoCAD.Geometry.Matrix3d.Scaling(1.0 / num7, new Point3d(0.0, 0.0, 0.0));
            Autodesk.AutoCAD.Geometry.Matrix3d matrix3d3 = Autodesk.AutoCAD.Geometry.Matrix3d.Displacement(new Autodesk.AutoCAD.Geometry.Vector3d(vector3d.X, vector3d.Y, 0.0));
            progressMeter_0 = new ProgressMeter();
            progressMeter_0.SetLimit(objectId_0.Length);
            progressMeter_0.Start("Extruding objects");
            int num8 = 0;
            int num9 = 0;

            for (int l = 0; l < subDMeshHandler.FaceVertexIndex1.Count; l++)
            {
                try
                {
                    progressMeter_0.MeterProgress();
                    this.messageFilter_0.CheckMessageFilter((long)l, 1000);
                }
                catch (System.Exception ex)
                {
                    for (int m = 0; m < list.Count; m++)
                    {
                        list[m].Dispose();
                    }
                    progressMeter_0.Stop();
                    throw;
                }
                try
                {
                    Face   face = new Face(new Point3d(subDMeshHandler.Vertices[subDMeshHandler.FaceVertexIndex1[l]].X, subDMeshHandler.Vertices[subDMeshHandler.FaceVertexIndex1[l]].Y, subDMeshHandler.Vertices[subDMeshHandler.FaceVertexIndex1[l]].Z), new Point3d(subDMeshHandler.Vertices[subDMeshHandler.FaceVertexIndex2[l]].X, subDMeshHandler.Vertices[subDMeshHandler.FaceVertexIndex2[l]].Y, subDMeshHandler.Vertices[subDMeshHandler.FaceVertexIndex2[l]].Z), new Point3d(subDMeshHandler.Vertices[subDMeshHandler.FaceVertexIndex3[l]].X, subDMeshHandler.Vertices[subDMeshHandler.FaceVertexIndex3[l]].Y, subDMeshHandler.Vertices[subDMeshHandler.FaceVertexIndex3[l]].Z), false, false, false, false);
                    double z    = face.GetVertexAt(0).Z;
                    double z2   = face.GetVertexAt(1).Z;
                    double z3   = face.GetVertexAt(2).Z;
                    short  num10;
                    if (CMD_FacesToSolid.double_0 < 0.0)
                    {
                        if (z <= z2 && z <= z3)
                        {
                            num10 = 0;
                        }
                        else if (z2 <= z && z2 <= z3)
                        {
                            num10 = 1;
                        }
                        else
                        {
                            num10 = 2;
                        }
                    }
                    else if (z >= z2 && z >= z3)
                    {
                        num10 = 0;
                    }
                    else if (z2 >= z && z2 >= z3)
                    {
                        num10 = 1;
                    }
                    else
                    {
                        num10 = 2;
                    }
                    Point3d vertexAt = face.GetVertexAt(num10);
                    Point3d point3d  = new Point3d(vertexAt.X, vertexAt.Y, vertexAt.Z + CMD_FacesToSolid.double_0);
                    //point3d..ctor(vertexAt.X, vertexAt.Y, vertexAt.Z + CMD_FacesToSolid.double_0);
                    Autodesk.AutoCAD.DatabaseServices.Line line = new Autodesk.AutoCAD.DatabaseServices.Line(vertexAt, point3d);
                    Region region = this.method_2(subDMeshHandler, l);
                    if (region == null)
                    {
                        num8++;
                    }
                    else
                    {
                        region.TransformBy(matrix3d);
                        line.TransformBy(matrix3d);
                        try
                        {
                            Solid3d solid3d = new Solid3d();
                            solid3d.ExtrudeAlongPath(region, line, 0.0);
                            solid3d.SetPropertiesFrom(face);
                            list.Add(solid3d);
                        }
                        catch (System.Exception ex)
                        {
                            num9++;
                        }
                        line.Dispose();
                        region.Dispose();
                    }
                }
                catch (System.Exception ex)
                {
                }
            }
            editor.WriteMessage("\nNumber of failed projections: " + num8.ToString());
            editor.WriteMessage("\nNumber of failed extrusions : " + num8.ToString());
            progressMeter_0.Stop();
            if (flag && list.Count > 1)
            {
                progressMeter_0 = new ProgressMeter();
                int limit = (int)Math.Ceiling(Math.Log((double)list.Count) / Math.Log(2.0));
                progressMeter_0.SetLimit(limit);
                progressMeter_0.Start("Building solid");
                this.method_1(ref list, ref progressMeter_0);
            }
            using (Transaction transaction = workingDatabase.TransactionManager.StartTransaction())
            {
                BlockTable       blockTable       = (BlockTable)transaction.GetObject(workingDatabase.BlockTableId, (OpenMode)1);
                BlockTableRecord blockTableRecord = (BlockTableRecord)transaction.GetObject(blockTable[BlockTableRecord.ModelSpace], (OpenMode)1);
                for (int n = 0; n < list.Count; n++)
                {
                    list[n].TransformBy(matrix3d2);
                    list[n].TransformBy(matrix3d3);
                    CoordinateTransformator coordinateTransformator = new CoordinateTransformator(coordinateSystem_0, CoordinateSystem.Global());
                    if (!coordinateTransformator.bool_0)
                    {
                        list[n].TransformBy(coordinateTransformator.ToAcadTransformation());
                    }
                    blockTableRecord.AppendEntity(list[n]);
                    transaction.AddNewlyCreatedDBObject(list[n], true);
                }
                transaction.Commit();
            }
            progressMeter_0.Stop();
        }