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();
}
}
}
