public static void SliceABox() { // 获取当前文档和数据库,启动事务 var acDoc = Autodesk.AutoCAD.ApplicationServices.Core.Application.DocumentManager.MdiActiveDocument; var acCurDb = acDoc.Database; using (var acTrans = acCurDb.TransactionManager.StartTransaction()) { // 以读模式打开块表 BlockTable acBlkTbl; acBlkTbl = acTrans.GetObject(acCurDb.BlockTableId, OpenMode.ForRead) as BlockTable; // 以写模式打开块表记录模型空间 BlockTableRecord acBlkTblRec; acBlkTblRec = acTrans.GetObject(acBlkTbl[BlockTableRecord.ModelSpace], OpenMode.ForWrite) as BlockTableRecord; // 创建3D箱体 var acSol3D = new Solid3d(); acSol3D.CreateBox(5, 7, 10); acSol3D.ColorIndex = 7; // 3D实体的中心点放在(5,5,0) acSol3D.TransformBy(Matrix3d.Displacement(new Point3d(5, 5, 0) - Point3d.Origin)); // 将新对象添加到块表记录和事务 acBlkTblRec.AppendEntity(acSol3D); acTrans.AddNewlyCreatedDBObject(acSol3D, true); // 定义镜像平面 var acPlane = new Plane(new Point3d(1.5, 7.5, 0), new Point3d(1.5, 7.5, 10), new Point3d(8.5, 2.5, 10)); var acSol3DSlice = acSol3D.Slice(acPlane, true); acSol3DSlice.ColorIndex = 1; // 将新对象添加到块表记录和事务 acBlkTblRec.AppendEntity(acSol3DSlice); acTrans.AddNewlyCreatedDBObject(acSol3DSlice, true); // 提交事务 acTrans.Commit(); } }
public void Cmd_EdgeBand() { if (!LicensingAgent.Check()) { return; } var acCurDoc = Application.DocumentManager.MdiActiveDocument; var acCurDb = acCurDoc.Database; var acCurEd = acCurDoc.Editor; //Call user to select a face var userSel = acCurEd.SelectSubentity(SubentityType.Face, "\nSelect a FACE to use as cutting criteria: "); if (userSel == null) { return; } if (userSel.Item1 == ObjectId.Null) { return; } if (userSel.Item2 == SubentityId.Null) { return; } var insetOpts = new PromptDistanceOptions("\nEnter edge banding thickness: ") { AllowNone = false, AllowZero = false, AllowNegative = false, DefaultValue = SettingsUser.EdgeBandThickness }; //Get the offset distance var insetRes = acCurEd.GetDistance(insetOpts); if (insetRes.Status != PromptStatus.OK) { return; } SettingsUser.EdgeBandThickness = insetRes.Value; // ReSharper disable once CompareOfFloatsByEqualityOperator if (SettingsUser.EdgeBandThickness <= 0) { return; } Entity faceEnt = null; Surface tempSurf = null; Solid3d tempSol = null; try { //Open a transaction using (var acTrans = acCurDb.TransactionManager.StartTransaction()) { var acSol = acTrans.GetObject(userSel.Item1, OpenMode.ForWrite) as Solid3d; if (acSol == null) { acTrans.Abort(); return; } var innerSol = acSol.Clone() as Solid3d; if (innerSol == null) { acTrans.Abort(); return; } acSol.Layer = acCurDb.GetCLayer(acTrans); acCurDb.AppendEntity(innerSol); faceEnt = acSol.GetSubentity(userSel.Item2); var eInfo = new EntInfo(acSol, acCurDb, acTrans); var largestM = eInfo.GetLargestMeasurement(); using (tempSurf = faceEnt.CreateSurfaceFromFace(acCurDb, acTrans, false)) { var thickness = largestM + SettingsUser.EdgeBandThickness; using (tempSol = tempSurf.Thicken(-(thickness * 2), true)) { tempSol.OffsetBody(-SettingsUser.EdgeBandThickness); var cutSol = tempSol.Slice(tempSurf, true); cutSol.Dispose(); acSol.BooleanOperation(BooleanOperationType.BoolSubtract, tempSol); } } var acBool1 = new[] { innerSol.ObjectId }; var acBool2 = new[] { acSol.ObjectId }; acBool1.SolidSubtrahend(acBool2, acCurDb, acTrans, false); acTrans.Commit(); } } catch (Exception e) { acCurEd.WriteMessage(e.Message); MailAgent.Report(e.Message); } finally { if (faceEnt != null) { faceEnt.Dispose(); } if (tempSurf != null) { tempSurf.Dispose(); } if (tempSol != null) { tempSol.Dispose(); } } }
public void Cmd_ICut() { var acCurDoc = Application.DocumentManager.MdiActiveDocument; var acCurDb = acCurDoc.Database; var acCurEd = acCurDoc.Editor; //Call user to select a face var userSel = acCurEd.SelectSubentity(SubentityType.Face, "\nSelect a FACE to use as cutting criteria: "); if (userSel == null) { return; } if (userSel.Item1 == ObjectId.Null) { return; } if (userSel.Item2 == SubentityId.Null) { return; } var insetOpts = new PromptDistanceOptions("\nEnter inset distance: ") { AllowNone = false, AllowZero = false, AllowNegative = false, DefaultValue = SettingsUser.RcICutInset }; //Get the offset distance var insetRes = acCurEd.GetDistance(insetOpts); if (insetRes.Status != PromptStatus.OK) { return; } SettingsUser.RcICutInset = insetRes.Value; var prSelOpts2 = new PromptDistanceOptions("\nEnter cut depth: ") { AllowNone = false, AllowZero = false, AllowNegative = false, DefaultValue = SettingsUser.RcICutDepth }; //Get the offset distance var prDepthRes = acCurEd.GetDistance(prSelOpts2); if (prDepthRes.Status != PromptStatus.OK) { return; } SettingsUser.RcICutDepth = prDepthRes.Value; // ReSharper disable once CompareOfFloatsByEqualityOperator if (SettingsUser.RcICutDepth <= 0 || SettingsUser.RcICutInset <= 0) { return; } Entity faceEnt = null; Surface tempSurf = null; Solid3d tempSol = null; try { //Open a transaction using (var acTrans = acCurDb.TransactionManager.StartTransaction()) { var acSol = acTrans.GetObject(userSel.Item1, OpenMode.ForWrite) as Solid3d; if (acSol == null) { acTrans.Abort(); return; } faceEnt = acSol.GetSubentity(userSel.Item2); using (tempSurf = faceEnt.CreateSurfaceFromFace(acCurDb, acTrans, false)) { var thickness = SettingsUser.RcICutDepth + SettingsUser.RcICutInset; using (tempSol = tempSurf.Thicken(-(thickness * 2), true)) { tempSol.OffsetBody(-SettingsUser.RcICutInset); var cutSol = tempSol.Slice(tempSurf, true); cutSol.Dispose(); acSol.BooleanOperation(BooleanOperationType.BoolSubtract, tempSol); } } acTrans.Commit(); } } catch (Exception e) { acCurEd.WriteMessage(e.Message); } finally { if (faceEnt != null) { faceEnt.Dispose(); } if (tempSurf != null) { tempSurf.Dispose(); } if (tempSol != null) { tempSol.Dispose(); } } }