public void autoca()
{
var doc = Application.DocumentManager.MdiActiveDocument;
var db = HostApplicationServices.WorkingDatabase;
var ed = doc.Editor;
try
{
var per1 = ed.GetEntity("选择测试设备:\n");
if (per1.Status != PromptStatus.OK)
{
return;
}
using (var tr = doc.TransactionManager.StartTransaction())
{
var bt = (BlockTable)(tr.GetObject(db.BlockTableId, OpenMode.ForRead));
var btr = (BlockTableRecord)tr.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite);
var ent1 = tr.GetObject(per1.ObjectId, OpenMode.ForRead) as Entity;
if (ent1 == null)
{
return;
}
if (ent1 is Polyline)
{
var pp = ent1 as Polyline;
ed.WriteMessage(pp.Closed);
ed.WriteMessage("\n");
}
else if (ent1 is BlockReference)
{
var rr = ent1.Clone() as BlockReference;
if (rr != null)
{
// 记录当前角度
var rolat = rr.Rotation;
// 把角度设置为0
rr.Rotation = 0;
// 得到角度为0的实体范围
var ext = rr.GeometricExtents;
// 生成一个测试矩形,颜色为黄色
var pl = new Polyline();
pl.CreateRectangle(new Point2d(ext.MaxPoint.X, ext.MaxPoint.Y), new Point2d(ext.MinPoint.X, ext.MinPoint.Y));
pl.ColorIndex = 2;
// 旋转实体范围
Matrix3d mt = Matrix3d.Rotation(rolat, Vector3d.ZAxis, GeTools.MidPoint(ext.MaxPoint, ext.MinPoint));
pl.TransformBy(mt);
// 加入到模型空间
btr.AppendEntity(pl);
tr.AddNewlyCreatedDBObject(pl, true);
}
}
tr.Commit();
}
}
catch (Exception ex) { ed.WriteMessageWithReturn(ex); }
}
public static void TileContour()
{
AcadLib.CommandStart.Start((doc) =>
{
Database db = doc.Database;
Editor ed = doc.Editor;
// Jig отрисовки полилинии по задаваемым точкам.
TileLineJig jigTest = new TileLineJig();
PromptResult jigRes;
bool status = true;
do
{
jigRes = ed.Drag(jigTest);
if (jigRes.Status == PromptStatus.OK)
{
// Добавление указанной точки
jigTest.AddNewPromptPoint();
}
else if (jigRes.Status == PromptStatus.Cancel || jigRes.Status == PromptStatus.Error)
{
return;
}
else if (jigRes.Status == PromptStatus.Other)
{
status = false;
}
} while (status);
// Добавление полилинии в чертеж.
using (Transaction tr = db.TransactionManager.StartTransaction())
{
BlockTableRecord btr = (BlockTableRecord)tr.GetObject(db.CurrentSpaceId, OpenMode.ForWrite);
Autodesk.AutoCAD.DatabaseServices.Polyline pl = new Autodesk.AutoCAD.DatabaseServices.Polyline();
pl.SetDatabaseDefaults();
for (int i = 0; i < jigTest.AllVertex.Count; i++)
{
Point3d pt3d = jigTest.AllVertex[i];
Point2d pt2d = new Point2d(pt3d.X, pt3d.Y);
pl.AddVertexAt(i, pt2d, 0, db.Plinewid, db.Plinewid);
}
pl.TransformBy(jigTest.UCS);
btr.AppendEntity(pl);
tr.AddNewlyCreatedDBObject(pl, true);
tr.Commit();
}
});
}
protected override SamplerStatus Sampler(JigPrompts prompts)
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
Matrix3d mt = ed.CurrentUserCoordinateSystem;
JigPromptPointOptions optJigPoint = new JigPromptPointOptions("\n请指定矩形的另一角点")
{
Cursor = CursorType.Crosshair,
UserInputControls = UserInputControls.Accept3dCoordinates | UserInputControls.NoZeroResponseAccepted | UserInputControls.NoNegativeResponseAccepted,
BasePoint = m_Pt1.TransformBy(mt),
UseBasePoint = true
};
PromptPointResult resJigPoint = prompts.AcquirePoint(optJigPoint);
Point3d tempPt = resJigPoint.Value;
if (resJigPoint.Status == PromptStatus.Cancel)
{
return(SamplerStatus.Cancel);
}
if (m_Pt2 != tempPt)
{
m_Pt2 = tempPt;
Point3d ucsPt2 = m_Pt2.TransformBy(mt.Inverse());
m_Polyline.Normal = Vector3d.ZAxis;
m_Polyline.Elevation = 0.0;
m_Polyline.SetPointAt(0, new Point2d(m_Pt1.X, m_Pt1.Y));
m_Polyline.SetPointAt(1, new Point2d(ucsPt2.X, m_Pt1.Y));
m_Polyline.SetPointAt(2, new Point2d(ucsPt2.X, ucsPt2.Y));
m_Polyline.SetPointAt(3, new Point2d(m_Pt1.X, ucsPt2.Y));
m_Polyline.TransformBy(mt);
Point3d cenPt = GeTools.MidPoint(m_Pt1.TransformBy(mt), m_Pt2);
Point3d majorPt = new Point3d(ucsPt2.X, m_Pt1.Y, 0);
Vector3d vecX = GeTools.MidPoint(majorPt, ucsPt2).TransformBy(mt) - cenPt;
try
{
if (Math.Abs(ucsPt2.X - m_Pt1.X) < 0.0000001 | Math.Abs(ucsPt2.Y - m_Pt1.Y) < 0.000001)
{
m_Ellipse = new Ellipse(Point3d.Origin, Vector3d.ZAxis, new Vector3d(0.00000001, 0, 0), 1.0, 0.0, 0.0);
}
else
{
double radiusRatio = Math.Abs((ucsPt2.X - m_Pt1.X) / (ucsPt2.Y - m_Pt1.Y));
if (radiusRatio < 1.0)
{
majorPt = new Point3d(m_Pt1.X, ucsPt2.Y, 0.0);
vecX = GeTools.MidPoint(majorPt, ucsPt2).TransformBy(mt) - cenPt;
}
else
{
radiusRatio = 1.0 / radiusRatio;
}
m_Ellipse.Set(cenPt, mt.CoordinateSystem3d.Zaxis, vecX, radiusRatio, 0, 2 * Math.PI);
}
}
catch { }
return(SamplerStatus.OK);
}
else
{
return(SamplerStatus.NoChange);
}
}