/// <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);
}
}
// 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);
}
}
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();
}