private void InitRoadwayNode()
{
if (_Entity == null)
{
_Entity = new RoadwayNodeWrapper();
_Entity.CreateSphere(15);
Matrix3d mt = Matrix3d.Displacement(_TransformVector);
_Entity.TransformBy(mt);
}
}
static public void DoIt()
{
List <RoadwayWrapper> roadwayarray = new List <RoadwayWrapper>();
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
//输入名字
string name = "";
PromptStringOptions opts2 = new PromptStringOptions("\nEnter Roadway name");
PromptResult res2 = ed.GetString(opts2);
if (res2.Status == PromptStatus.Cancel)
{
return;
}
else
{
name = res2.StringResult;
}
//输入起点坐标
PromptPointOptions opts = new PromptPointOptions("\nEnter Roadway Start Point:");
PromptPointResult res = ed.GetPoint(opts);
if (res.Status == PromptStatus.Cancel)
{
return;
}
Point3d tmpPoint = res.Value;
while (true)
{
//create roadway
RoadwayJig jig = new RoadwayJig(tmpPoint, tmpPoint);
RoadwayWrapper CurrentRW = (RoadwayWrapper)jig.GetEntity();
jig.SetName(name);
jig.setPromptCounter(0);
PromptResult drag = ed.Drag(jig);
if (drag.Status == PromptStatus.Cancel || drag.Status == PromptStatus.None)
{
return;
}
else if (drag.Status == PromptStatus.OK)
{
Database db = Application.DocumentManager.MdiActiveDocument.Database;
Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager;
PROJECT pro = new PROJECT();
using (Transaction myT = tm.StartTransaction())
{
pro.AppendEntity(CurrentRW);
RoadwayNodeWrapper sttNd;
if (roadwayarray.Count > 0)
{
RoadwayWrapper PreviousRW =
(RoadwayWrapper)myT.GetObject(roadwayarray[roadwayarray.Count - 1].ObjectId, OpenMode.ForRead, false);
//Point3dCollection pc = new Point3dCollection();
// CurrentRW.IntersectWith(PreviousRW, Intersect.OnBothOperands, pc, IntPtr.Zero, IntPtr.Zero);
// CurrentRW.StartNodeHandle = PreviousRW.EndNodeHandle;
ObjectId tmpid = db.GetObjectId(false, PreviousRW.EndNodeHandle, 0);
sttNd = (RoadwayNodeWrapper)myT.GetObject(tmpid, OpenMode.ForWrite, false);
sttNd.appendRoadway(CurrentRW.Handle, 1);
CurrentRW.StartNodeHandle = sttNd.Handle;
}
else
{
sttNd = new RoadwayNodeWrapper();
pro.AppendEntity(sttNd);
sttNd.CreateSphere(15);
sttNd.init(CurrentRW.Handle, 1);
sttNd.Position = CurrentRW.StartPoint;
CurrentRW.StartNodeHandle = sttNd.Handle;
}
RoadwayNodeWrapper endNd = new RoadwayNodeWrapper();
pro.AppendEntity(endNd);
endNd.CreateSphere(15);
endNd.init(CurrentRW.Handle, -1);
endNd.Position = CurrentRW.EndPoint;
CurrentRW.EndNodeHandle = endNd.Handle;
roadwayarray.Add(CurrentRW);
myT.Commit();
}
tmpPoint = jig.GetEndPoint();
}
}
}