public static bool offsetSegments(string strSurfaceName, string strSurfaceNameX, ObjectId idLWPlineX, string varLayerName = "") { double dblZOff = 0; int intCase1 = 0, intCase2_1 = 0, intCase2_2 = 0, intCase2_3 = 0, intCase2_4 = 0, intCase2_5 = 0, intCase2_6 = 0, intCase2_7 = 0; int intCase2_8 = 0, intCase5_1 = 0, intCase5_2 = 0, intCase5_3 = 0, intCase5_4 = 0, intCase5_5 = 0, intCase8_5 = 0, intCase11 = 0; TinSurface objSurfaceSG = null; if (strSurfaceName == "SG") { objSurfaceSG = Surf.getTinSurface("SG", out exists); if ((objSurfaceSG == null)) { Autodesk.AutoCAD.ApplicationServices.Application.ShowAlertDialog("Surface SG missing - exiting routine"); return(false); } } ObjectId id3dBrkP = ObjectId.Null, idTextB = ObjectId.Null, idTextE = ObjectId.Null; string strLayerName = varLayerName; ObjectId id3dBndry = EW_Build3dPoly.buildArea3dLimit(idLWPlineX, strSurfaceName, strSurfaceNameX, strLayerName); //returns 3D poly with surface elevations, endPnt = begPnt if (id3dBndry == ObjectId.Null) { return(false); } string strHandle = idLWPlineX.getHandle().ToString(); string strLayer = idLWPlineX.getLayer(); if (varLayerName == "") { dblZOff = EW_Utility1.getDepth(strLayer, strSurfaceNameX); //get depth for area } else { if (!varLayerName.Contains("_OX-AREA-")) { dblZOff = EW_Utility1.getDepth(varLayerName, strSurfaceNameX); } else { dblZOff = double.Parse(varLayerName.Substring(10)); } } Point3d pnt3d0 = new Point3d(0, 0, 0); Point3d pnt3dX = new Point3d(0, 0, -dblZOff); id3dBndry.moveObj(pnt3d0, pnt3dX); if (idLWPlineX == ObjectId.Null) { MessageBox.Show("idLWPlineX is null"); } List <Point3d> varPnts3dBndry0z = idLWPlineX.getCoordinates3dList(); idLWPlineX.delete(); List <Point3d> varPnts3dBndry0zForInt = varPnts3dBndry0z; varPnts3dBndry0zForInt.RemoveAt(varPnts3dBndry0z.Count - 1); //remove endPnt ==>> endPnt <> begPnt if (strSurfaceName == "CPNT-ON") { strLayerName = "CPNT-BRKLINE"; } else { strLayerName = string.Format("{0}-BRKLINE", strSurfaceName); } ObjectIdCollection ids = null; if (pub.boolDebug) { escape = Select.getSelSetFromUser(out ids); } else { ss = EW_Utility1.buildSSetCPNT_ON_SEGMENTS(strLayerName, varPnts3dBndry0z); //select triangle segments (3dPolylines) by polygon crossing } if (ss == null) { return(false); } ObjectId[] idsSegments = ss.GetObjectIds(); TypedValue[] tvs = new TypedValue[3] { new TypedValue(1001, "makeBOT"), new TypedValue(1000, varLayerName), new TypedValue(1000, "BRKLINES") }; for (int j = 0; j < idsSegments.Length; j++) { strLayer = string.Format("{0}-BRKLINE", strSurfaceNameX); ObjectId id = idsSegments[j]; ObjectId idBrk = ObjectId.Null; Entity ent = id.getEnt(); if (ent.GetType() == typeof(PolylineVertex3d)) { idBrk = id.getOwnerOfVertex2d3d(); } else if (ent.GetType() == typeof(Polyline3d)) { idBrk = id; } //ent = idBrk.getEnt(); //MessageBox.Show(ent.GetType().ToString()); ObjectId id3dBrkX = idBrk.copy(strLayer); //ent = id3dBrkX.getEnt(); //MessageBox.Show(ent.GetType().ToString()); id3dBrkX.moveObj(pnt3d0, pnt3dX); //move copy of triangle edge based on vertical offset id3dBrkX.changeProp(clr.byl, strLayer); //ent = id3dBrkX.getEnt(); //MessageBox.Show(ent.GetType().ToString()); List <Point3d> varPnts3d = id3dBrkX.getCoordinates3dList(); Point3d dblPntBeg = varPnts3d[0]; Point3d dblPntEnd = varPnts3d[1]; //end point of triangle edge (3dPoly segment) if (pub.boolDebug) { idTextB = Txt.addText("B", dblPntBeg, 0, AttachmentPoint.BottomLeft); idTextB.changeProp(color, "DEBUG-0", LineWeight.LineWeight020); } if (pub.boolDebug) { idTextE = Txt.addText("E", dblPntBeg, 0, AttachmentPoint.BottomLeft); idTextE.changeProp(color, "DEBUG-0", LineWeight.LineWeight020); } //------------------------------------------------------------------test for intersection List <Point3d> dblPntInts = Geom.getPntInts(dblPntBeg, dblPntEnd, varPnts3dBndry0zForInt, false, extend.none); //------------------------------------------------------------------test for intersection bool boolAddEnt = false; bool boolBegOnSeg = false; bool boolEndOnSeg = false; bool boolBegIn = false; bool boolEndIn = false; int intUBnd = 0; switch ((int)(dblPntInts[0].X)) { case -1: intUBnd = -1; boolBegOnSeg = (dblPntBeg.isOn2dSegment(varPnts3dBndry0zForInt) == -1) ? false : true; boolEndOnSeg = (dblPntEnd.isOn2dSegment(varPnts3dBndry0zForInt) == -1) ? false : true; break; case -9: intUBnd = -9; boolBegOnSeg = true; boolEndOnSeg = true; break; default: intUBnd = dblPntInts.Count; boolBegOnSeg = (dblPntBeg.isOn2dSegment(varPnts3dBndry0zForInt) == -1) ? false : true; boolEndOnSeg = (dblPntEnd.isOn2dSegment(varPnts3dBndry0zForInt) == -1) ? false : true; break; } if (boolBegOnSeg == false) { boolBegIn = dblPntBeg.isInside(varPnts3dBndry0zForInt); } else { boolBegIn = true; } if (boolEndOnSeg == false) { boolEndIn = dblPntEnd.isInside(varPnts3dBndry0zForInt); } else { boolEndIn = true; } switch (intUBnd) { case -1: //Case -1 if (boolBegOnSeg & !boolEndIn) { boolAddEnt = false; } else if (boolEndOnSeg & !boolBegIn) { boolAddEnt = false; } else { boolAddEnt = true; intCase1 = intCase1 + 1; } break; case 1: //one intersection - one point inside and one outside //Case 2-1 if (boolBegOnSeg == true & boolEndOnSeg == true) { //both ends on the line //test midPoint to see if segment is inside or outside Point3d pnt3dMid = dblPntBeg.getMidPoint3d(dblPntEnd); //boolAddEnt = (pnt3dMid.isOn2dSegment(varPnts3dBndry0zForInt) == -1) ? true : false; boolAddEnt = pnt3dMid.isInside(varPnts3dBndry0zForInt); if (boolAddEnt) { intCase5_1 = intCase2_1 + 1; } //Case 2-2 } else if (boolBegOnSeg == true & boolEndIn == true) { boolAddEnt = true; intCase2_2 = intCase2_2 + 1; //Case 2-3 ??????????????????????????????????? } else if (boolBegOnSeg == true & boolEndIn == false) { if (dblPntInts[0].isOn2dSegment(varPnts3dBndry0zForInt) != -1) { dblPntEnd = dblPntInts[0]; double elev = EW_Utility2.getElev(dblPntEnd, id3dBndry); if (elev == 0 && strSurfaceName == "SG") { elev = objSurfaceSG.FindElevationAtXY(dblPntEnd.X, dblPntEnd.Y); } dblPntEnd = dblPntEnd.addElevation(elev); boolAddEnt = true; } else { boolAddEnt = false; intCase2_3 = intCase2_3 + 1; } //Case 2-4 } else if (boolEndOnSeg == true & boolBegIn == true) { boolAddEnt = true; intCase2_4 = intCase2_4 + 1; //Case 2-5 } else if (boolEndOnSeg == true & boolBegIn == false) { if (dblPntInts[0].isOn2dSegment(varPnts3dBndry0zForInt) != -1) { dblPntBeg = dblPntInts[0]; double elev = EW_Utility2.getElev(dblPntBeg, id3dBndry); if (elev == 0 && strSurfaceName == "SG") { elev = objSurfaceSG.FindElevationAtXY(dblPntBeg.X, dblPntBeg.Y); } dblPntBeg = dblPntBeg.addElevation(elev); boolAddEnt = true; } else { boolAddEnt = false; intCase2_5 = intCase2_5 + 1; } //Case 2-6 } else if (boolBegIn == true & boolEndIn == false) { dblPntEnd = dblPntInts[0]; double elev = EW_Utility2.getElev(dblPntEnd, id3dBndry); if (elev == 0 && strSurfaceName == "SG") { elev = objSurfaceSG.FindElevationAtXY(dblPntEnd.X, dblPntEnd.Y); } dblPntEnd = dblPntEnd.addElevation(elev); boolAddEnt = true; intCase2_6 = intCase2_6 + 1; //Case 2-7 } else if (boolBegIn == false & boolEndIn == true) { dblPntBeg = dblPntInts[0]; double elev = EW_Utility2.getElev(dblPntBeg, id3dBndry); if (elev == 0 && strSurfaceName == "SG") { elev = objSurfaceSG.FindElevationAtXY(dblPntBeg.X, dblPntBeg.Y); } dblPntBeg = dblPntBeg.addElevation(elev); boolAddEnt = true; intCase2_7 = intCase2_7 + 1; //Case2-8 } else if (boolBegIn == true & boolEndIn == true) { boolAddEnt = true; intCase2_8 = intCase2_8 + 1; } break; case 2: //Case 5-1 if (boolBegOnSeg == true & boolEndOnSeg == true) { //both ends on the line //test miPoint3d to see if segment is inside or outside Point3d pnt3dMid = dblPntBeg.getMidPoint3d(dblPntEnd); boolAddEnt = pnt3dMid.isInside(varPnts3dBndry0zForInt); if (boolAddEnt) { intCase5_1 = intCase5_1 + 1; } //Case 5-2 } else if (boolBegIn == false & boolEndIn == false) { dblPntBeg = dblPntInts[0]; double elev = EW_Utility2.getElev(dblPntBeg, id3dBndry); if (elev == 0 && strSurfaceName == "SG") { elev = objSurfaceSG.FindElevationAtXY(dblPntBeg.X, dblPntBeg.Y); } dblPntBeg = dblPntBeg.addElevation(elev); dblPntEnd = dblPntInts[1]; elev = EW_Utility2.getElev(dblPntEnd, id3dBndry); if (elev == 0 && strSurfaceName == "SG") { elev = objSurfaceSG.FindElevationAtXY(dblPntEnd.X, dblPntEnd.Y); } dblPntEnd = dblPntEnd.addElevation(elev); boolAddEnt = true; intCase5_2 = intCase5_2 + 1; //Case 5-3 } else if (boolBegOnSeg == true & boolEndIn == false) { dblPntBeg = dblPntInts[0]; double elev = EW_Utility2.getElev(dblPntBeg, id3dBndry); if (elev == 0 && strSurfaceName == "SG") { elev = objSurfaceSG.FindElevationAtXY(dblPntBeg.X, dblPntBeg.Y); } dblPntBeg = dblPntBeg.addElevation(elev); dblPntEnd = dblPntInts[1]; elev = EW_Utility2.getElev(dblPntEnd, id3dBndry); if (elev == 0 && strSurfaceName == "SG") { elev = objSurfaceSG.FindElevationAtXY(dblPntEnd.X, dblPntEnd.Y); } dblPntEnd = dblPntEnd.addElevation(elev); boolAddEnt = true; intCase5_3 = intCase5_3 + 1; //Case 5-4 } else if (boolEndOnSeg == true & boolBegIn == false) { dblPntBeg = dblPntInts[0]; double elev = EW_Utility2.getElev(dblPntBeg, id3dBndry); if (elev == 0 && strSurfaceName == "SG") { elev = objSurfaceSG.FindElevationAtXY(dblPntBeg.X, dblPntBeg.Y); } dblPntBeg = dblPntBeg.addElevation(elev); dblPntEnd = dblPntInts[1]; elev = EW_Utility2.getElev(dblPntEnd, id3dBndry); if (elev == 0 && strSurfaceName == "SG") { elev = objSurfaceSG.FindElevationAtXY(dblPntEnd.X, dblPntEnd.Y); } dblPntEnd = dblPntEnd.addElevation(elev); boolAddEnt = true; intCase5_4 = intCase5_4 + 1; //Case 5-5 } else if (boolBegIn == true & boolEndIn == true) { boolAddEnt = true; intCase5_5 = intCase5_5 + 1; } break; case 3: //Case 8 List <Point3d> dblPntInts_New = new List <Point3d>(); for (int s = dblPntInts.Count; s > 0; s--) { if (System.Math.Round(dblPntBeg.X, 3) == System.Math.Round(dblPntInts[s - 1].X, 3) && System.Math.Round(dblPntBeg.Y, 3) == System.Math.Round(dblPntInts[s - 1].Y, 3)) { dblPntInts.RemoveAt(s - 1); } } for (int s = dblPntInts.Count; s > 0; s--) { if (System.Math.Round(dblPntEnd.X, 3) == System.Math.Round(dblPntInts[s - 1].X, 3) && System.Math.Round(dblPntEnd.Y, 3) == System.Math.Round(dblPntInts[s - 1].Y, 3)) { dblPntInts.RemoveAt(s - 1); } } switch (dblPntInts.Count) { case 2: double dblDist1 = dblPntBeg.getDistance(dblPntInts[0]); double dblDist2 = dblPntBeg.getDistance(dblPntInts[1]); if (dblDist1 > dblDist2) { Point3d pnt3dTmp = dblPntInts[0]; dblPntInts[0] = dblPntInts[1]; dblPntInts[1] = pnt3dTmp; } Point3d dblPntMid = dblPntBeg + (dblPntInts[0] - dblPntBeg) / 2; if (dblPntMid.isInside(varPnts3dBndry0zForInt)) { Point3d dblPntInt = dblPntInts[0]; List <Point3d> dblPnts3dBrk = new List <Point3d>(); dblPnts3dBrk.Add(dblPntBeg); double elev = EW_Utility2.getElev(dblPntInt, id3dBndry); if (elev == 0.0 && strSurfaceName == "SG") { elev = objSurfaceSG.FindElevationAtXY(dblPntInt.X, dblPntInt.Y); } dblPntInt.addElevation(elev); dblPnts3dBrk.Add(dblPntInt); ObjectId id3dBrkXNew = Draw.addPoly3d(dblPnts3dBrk, strSurfaceNameX + "-BRKLINE"); id3dBrkXNew.changeProp(LineWeight.ByLayer, Color.FromColorIndex(ColorMethod.ByAci, 0)); id3dBrkXNew.setXData(tvs, "makeBOT"); intCase5_1 = intCase5_1 + 1; id3dBrkX.delete(); } dblPntMid = dblPntInts[1] + (dblPntEnd - dblPntInts[1]) / 2; if (dblPntMid.isInside(varPnts3dBndry0zForInt)) { Point3d dblPntInt = dblPntInts[1]; List <Point3d> dblPnts3dBrk = new List <Point3d>(); double elev = EW_Utility2.getElev(dblPntInt, id3dBndry); if (elev == 0.0 && strSurfaceName == "SG") { elev = objSurfaceSG.FindElevationAtXY(dblPntInt.X, dblPntInt.Y); } dblPntInt.addElevation(elev); dblPnts3dBrk.Add(dblPntInt); dblPnts3dBrk.Add(dblPntEnd); ObjectId id3dBrkXNew = Draw.addPoly3d(dblPnts3dBrk, strSurfaceNameX + "-BRKLINE"); id3dBrkXNew.changeProp(LineWeight.ByLayer, Color.FromColorIndex(ColorMethod.ByAci, 0)); id3dBrkXNew.setXData(tvs, "makeBOT"); intCase8_5 = intCase8_5 + 1; id3dBrkX.delete(); } break; case 3: break; } break; case 4: //Case 11 intCase11 = intCase11 + 1; break; case -9: boolAddEnt = false; break; } if (boolAddEnt == true) { id3dBrkX.delete(); id3dBrkP = Draw.addPoly3d(dblPntBeg, dblPntEnd, strLayer); id3dBrkP.setXData(tvs, "makeBOT"); if (pub.boolDebug) { id3dBrkX.changeProp(LineWeight.LineWeight200, clr.byl); id3dBrkP = id3dBrkX; } } else { // obj3dBrkX.Delete } if (pub.boolDebug) { idTextB.delete(); idTextE.delete(); ss = EW_Utility1.buildSSet7(); ss.eraseSelectedItems(); } } //Debug.Print "Case -1 " & intCase1 //Debug.Print "Case 2-1 " & intCase2_1 //Debug.Print "Case 2-2 " & intCase2_2 //Debug.Print "Case 2-3 " & intCase2_3 //Debug.Print "Case 2-4 " & intCase2_4 //Debug.Print "Case 2-5 " & intCase2_5 //Debug.Print "Case 2-6 " & intCase2_6 //Debug.Print "Case 2-7 " & intCase2_7 //Debug.Print "Case 2-8 " & intCase2_8 //Debug.Print "Case 5-1 " & intCase5_1 //Debug.Print "Case 5-2 " & intCase5_2 //Debug.Print "Case 5-3 " & intCase5_3 //Debug.Print "Case 5-4 " & intCase5_4 //Debug.Print "Case 5-5 " & intCase5_5 //Debug.Print "Case 8-5 " & intCase8_5 //Debug.Print "Case 8-8 " & intCase8_8 //Debug.Print "Case 11 " & intCase11 //Debug.Print "Total=" & intCase1 + intCase2_1 + intCase2_2 + intCase2_3 + intCase2_4 + intCase2_5 + intCase2_6 + _ //' intCase2_7 + intCase2_8 + intCase5_1 + intCase5_2 + intCase5_3 + intCase5_4 + intCase5_5 + _ //' intCase8_5 + intCase8_8 + intCase11 return(true); }