void TransformTail(Point3d p1, Point3d p11, double bulge, sbyte flip, ref Polyline tail, out double offset)
{
double angle = 2 * Math.Atan(bulge);
/*угол касательной аналитически получен как 2 вписанных угла. Например, если bulge равно 1, то
* имеем дугу с хордой равной двум выпуклостям. Это соответствует углу между хордой и касательной 90 градусов, а угол между хордой
* и хордой к середине дуги 45 градусов
*/
angle *= flip; //чтобы было в нужную сторону на обоих концах
Vector3d p1p2v = p1.Subtract(p11.GetAsVector()).GetAsVector();
p1p2v = p1p2v.RotateBy(angle, Vector3d.ZAxis * -1); //-1здесь служит для корректировки направления (по результатам отладки)
Point2d first = tail.GetPoint2dAt(0);
offset = first.Y * offsetMode * side;
//смысл смещения заключается в том, что иногда требуется нарисовать шпильки со смещением от базовой линии
//смещение управляется начальной координатой хвоста
Matrix3d M = Matrix3d.AlignCoordinateSystem(Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis,
p1, p1p2v.DivideBy(p1p2v.Length), p1p2v.GetPerpendicularVector().MultiplyBy(side * flip), Vector3d.ZAxis);
M *= Matrix3d.Displacement(Vector3d.YAxis * first.Y * -1 * (offsetMode ^ 1));
tail.TransformBy(M);
}
public void cmdTestUCS()
{
var doc = AcApp.DocumentManager.MdiActiveDocument;
var ed = doc.Editor;
var db = doc.Database;
using (var tr = db.TransactionManager.StartTransaction())
{
var bt = tr.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
var ms = tr.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite) as BlockTableRecord;
var ucs = new CoordinateSystem3d(new Point3d(11, 22, 0), Vector3d.XAxis, Vector3d.YAxis);
//UCS到WCS的转换矩阵
var matrix = Matrix3d.AlignCoordinateSystem(Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis,
ucs.Origin, ucs.Xaxis, ucs.Yaxis, ucs.Zaxis);
ed.CurrentUserCoordinateSystem = matrix;
//API中加进去的都是WCS的坐标，我们构造的时候是通过UCS里的坐标值来构造的，真正加进去之前需要转换到WCS
var circle = new Autodesk.AutoCAD.DatabaseServices.Circle();
circle.Center = new Point3d(10, 10, 0);
circle.Radius = 5;
circle.TransformBy(matrix);
ms.AppendEntity(circle);
tr.AddNewlyCreatedDBObject(circle, true);
tr.Commit();
}
}
void InputTail()
{
asc = UT.GetAnnoScale("CANNOSCALE");
var sset_poly = Input.Objects("Выберите полилинию-хвост. Прикрепление будет к начальной точке");
if (Input.StatusOK)
{
using (var th = new TransactionHelper())
{
try
{
var pl = th.EditObjects(sset_poly)[0] as Polyline;
tail_default = pl.Clone() as Polyline;
}
catch (System.Exception)
{
InputTail();
return;
}
var p1 = Input.Point("Укажите базовую точку");
var p2 = Input.Point("Укажите направление Х");
var p1p2v = p1.Subtract(p2.GetAsVector()).GetAsVector();
tail_default.TransformBy(Matrix3d.AlignCoordinateSystem(p1, p1p2v.DivideBy(p1p2v.Length), p1p2v.GetPerpendicularVector(), Vector3d.ZAxis,
Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis));
tail_default.TransformBy(Matrix3d.Scaling(asc.Scale, Point3d.Origin));
}
}
}
public static Matrix3d GetUcs(Point3d f, Point3d s, Point3d T, bool toWcSorToUCs)
{
Matrix3d UCS;
var qF = new Quaternion(0, f.X, f.Y, f.Z);
var qS = new Quaternion(0, s.X, s.Y, s.Z);
var qT = new Quaternion(0, T.X, T.Y, T.Z);
var ucs = new UCS(qF, qS, qT);
var qX = ucs.ToACS(new Quaternion(0, 1, 0, 0)) - ucs.ToACS(new Quaternion(0, 0, 0, 0));
var qY = ucs.ToACS(new Quaternion(0, 0, 1, 0)) - ucs.ToACS(new Quaternion(0, 0, 0, 0));
var qZ = ucs.ToACS(new Quaternion(0, 0, 0, 1)) - ucs.ToACS(new Quaternion(0, 0, 0, 0));
var o = ucs.ToACS(new Quaternion(0, 0, 0, 0));
var x = new Vector3d(qX.GetX(), qX.GetY(), qX.GetZ());
var y = new Vector3d(qY.GetX(), qY.GetY(), qY.GetZ());
var z = new Vector3d(qZ.GetX(), qZ.GetY(), qZ.GetZ());
var O = new Point3d(o.GetX(), o.GetY(), o.GetZ());
if (toWcSorToUCs)
{
UCS = Matrix3d.AlignCoordinateSystem(
Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis, O, x, y, z);
}
else
{
UCS = Matrix3d.AlignCoordinateSystem(
O, x, y, z, Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis);
}
return(UCS);
}
public static void ShowWCSAndUCS(Point3d p)
{
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Database acCurDb = acDoc.Database;
using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
{
Point3d pPt3dWCS = p;
Point3d pPt3dUCS = p;
ViewportTableRecord acVportTblRec;
acVportTblRec = acTrans.GetObject(acDoc.Editor.ActiveViewportId,
OpenMode.ForWrite) as ViewportTableRecord;
Matrix3d newMatrix = new Matrix3d();
newMatrix = Matrix3d.AlignCoordinateSystem(Point3d.Origin,
Vector3d.XAxis,
Vector3d.YAxis,
Vector3d.ZAxis,
acVportTblRec.Ucs.Origin,
acVportTblRec.Ucs.Xaxis,
acVportTblRec.Ucs.Yaxis,
acVportTblRec.Ucs.Zaxis);
pPt3dWCS = pPt3dWCS.TransformBy(newMatrix);
Application.ShowAlertDialog("The WCS coordinates are: \n" +
pPt3dWCS.ToString() + "\n" +
"The UCS coordinates are: \n" +
pPt3dUCS.ToString());
acTrans.Commit();
}
}
/// <summary>
/// нанизываем на линию символы исходя из точек
/// </summary>
/// <param name="data">массив точек для вставки символов</param>
/// <returns></returns>
Polyline Prepare()
{
var result = new Polyline();
//сортируем точки исходя из расстояния от начала
data.Sort((x, y) => x.GetDistanceTo(p1.to2d()).CompareTo(y.GetDistanceTo(p1.to2d())));
result.AddVertexAt(0, p11.to2d(), 0, 0, 0);
foreach (Point2d pt in data)
{
Matrix3d M = Matrix3d.AlignCoordinateSystem(Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis,
new Point3d(pt.X, pt.Y, 0), p1p2v, p1p2v.GetPerpendicularVector(), Vector3d.ZAxis);
//переносим и масштабируем символ
Polyline bl = DefaultPolyline();
bl.TransformBy(M);
M = Matrix3d.Scaling(size, new Point3d(pt.X, pt.Y, 0));
bl.TransformBy(M);
//добавляем символ по одной точке в результирующую полилинию в ее конец
for (int i = 0; i < bl.NumberOfVertices; i++)
{
result.AddVertexAt(result.NumberOfVertices, bl.GetPoint2dAt(i), 0, 0, 0);
}
}
result.AddVertexAt(result.NumberOfVertices, p21.to2d(), 0, 0, 0);
result.SetDatabaseDefaults();
return(result);
}
GetEcsToWcsMatrix(Point3d origin, Vector3d zAxis)
{
const double kArbBound = 0.015625; // 1/64th
// short circuit if in WCS already
if (zAxis == Utils.Ge.kZAxis)
{
return(Matrix3d.Identity);
}
Vector3d xAxis, yAxis;
Debug.Assert(zAxis.IsUnitLength(Tolerance.Global));
if ((Math.Abs(zAxis.X) < kArbBound) && (Math.Abs(zAxis.Y) < kArbBound))
{
xAxis = Utils.Ge.kYAxis.CrossProduct(zAxis);
}
else
{
xAxis = Utils.Ge.kZAxis.CrossProduct(zAxis);
}
xAxis = xAxis.GetNormal();
yAxis = zAxis.CrossProduct(xAxis).GetNormal();
return(Matrix3d.AlignCoordinateSystem(Utils.Ge.kOrigin, Utils.Ge.kXAxis, Utils.Ge.kYAxis, Utils.Ge.kZAxis,
origin, xAxis, yAxis, zAxis));
}
public static void InCline()
{
var sset = Input.Objects("Выберите объекты для преобразования"); if (Input.StatusBad)
{
return;
}
Point3d basePnt = Input.Point("Укажите базовую точку преобразования."); if (Input.StatusBad)
{
return;
}
//elevation divided by horisontal longtitude или по-русски уклон, тангенс угла наклона
double tangent = Input.Double("Введите величину уклона. Положительный уклон повышается вправо (Х+ У+)"); if (Input.StatusBad)
{
return;
}
var matrix = Matrix3d.AlignCoordinateSystem(
basePnt, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis,
basePnt, Vector3d.XAxis + Vector3d.YAxis * tangent, Vector3d.YAxis, Vector3d.ZAxis);
using (var th = new TransactionHelper())
{
sth = th;
var objects = th.EditObjects(sset);
TransformObjects(objects, matrix);
sth = null;
}
}
/// <summary>
/// Transform point3D coordinate from WCS to named UCS
/// </summary>
/// <param name="pnts"></param>
/// <param name="ucsName"></param>
/// <returns></returns>
public static Point3dCollection Wcs2Ucs(Point3dCollection pnts, string ucsName)
{
Document doc = acApp.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
Point3dCollection ucsPnts = new Point3dCollection();
using (Transaction tr = db.TransactionManager.StartTransaction())
{
UcsTable acUCSTbl;
acUCSTbl = tr.GetObject(db.UcsTableId, OpenMode.ForRead) as UcsTable;
UcsTableRecord ucs1 = tr.GetObject(acUCSTbl[ucsName], OpenMode.ForRead)
as UcsTableRecord;
Matrix3d mat = Matrix3d.AlignCoordinateSystem(
ucs1.Origin,
ucs1.XAxis,
ucs1.YAxis,
ucs1.XAxis.CrossProduct(ucs1.YAxis),
Point3d.Origin,
Vector3d.XAxis,
Vector3d.YAxis,
Vector3d.XAxis.CrossProduct(ucs1.YAxis)
);
// Translate
foreach (Point3d p in pnts)
{
ucsPnts.Add(p.TransformBy(mat));
}
tr.Commit();
}
return(ucsPnts);
}
public static CoordinateSystem3d GetZAxisUcsToWorld(Editor ed, Point3d basePoint, Point3d positiveZaxisPoint)
{
var pPt3dWCS = positiveZaxisPoint;
var pPt3dUCS = positiveZaxisPoint;
Plane plane = new Plane(basePoint, basePoint.GetVectorTo(positiveZaxisPoint));
Matrix3d ucs = Matrix3d.PlaneToWorld(plane);
var cs = ucs.CoordinateSystem3d;
ed.WriteMessage(String.Format(" GetZAxisUcsToWorld: X={0},Y={1},Z={2}", cs.Xaxis, cs.Yaxis, cs.Zaxis));
// Translate the point from the current UCS to the WCS
Matrix3d newMatrix = new Matrix3d();
newMatrix = Matrix3d.AlignCoordinateSystem(Point3d.Origin,
Vector3d.XAxis,
Vector3d.YAxis,
Vector3d.ZAxis,
ucs.CoordinateSystem3d.Origin,
ucs.CoordinateSystem3d.Xaxis,
ucs.CoordinateSystem3d.Yaxis,
ucs.CoordinateSystem3d.Zaxis);
pPt3dWCS = pPt3dUCS.TransformBy(newMatrix);
ed.WriteMessage("\nThe WCS coordinates are: \n" +
pPt3dWCS.ToString() + "\n" +
"\nThe UCS coordinates are: \n" +
pPt3dUCS.ToString());
return(ucs.CoordinateSystem3d);
}
/// <summary>
/// 判断点是否嵌入了表面所在的板件
/// </summary>
/// <param name="pt"></param>
/// <param name="peakValue">嵌入板件的深度值，按照设计这个值应当是负值</param>
/// <param name="associateDist">判定时的容差，为正值</param>
/// <returns></returns>
private bool IsDistEnough(PartFace anotherFace, Point3d pt, double peakValue, double associateDist)
{
//先把世界坐标系下的pt转换成mp坐标系下
pt = pt.TransformBy(Matrix3d.AlignCoordinateSystem(anotherFace.Part.MovedMPPoint,
anotherFace.Part.MovedMPXAxis,
anotherFace.Part.MovedMPYAxis,
anotherFace.Part.MovedMPZAxis,
Point3d.Origin,
Vector3d.XAxis,
Vector3d.YAxis,
Vector3d.ZAxis));
//取有效数字两个，是为了避免精确计算的情况下的误差导致判断错误
double z = System.Math.Round(pt.Z, 2);
//面5和面6的判断不同，这是因为Z的正方向发生了变化
double zlimitDown = 0 - peakValue;
double zlimitUp = associateDist - peakValue;
if (anotherFace.FaceNumber == 6)
{
zlimitUp = associateDist + this.Part.Thickness + peakValue;
zlimitDown = this.Part.Thickness + peakValue;
}
if (z >= zlimitDown && z <= zlimitUp)
{
return(true);
}
else
{
return(false);
}
}
public override void ToMachining(double AssociatedDist, ToolFile toolFile)
{
//得到当前面的关联面
AssociatedPartFaceList = base.FindAssociatedFacesOneTime(AssociatedDist, Penetration);
//当前的face
var currentFace = this.Part.GetPartFaceByNumber(this.FaceNumber);
foreach (var f in AssociatedPartFaceList)
{
//得到一个转换矩阵，将
var matrix = Matrix3d.AlignCoordinateSystem(f.Part.MovedMPPoint,
f.Part.MovedMPXAxis,
f.Part.MovedMPYAxis,
f.Part.MovedMPZAxis,
Point3d.Origin,
Vector3d.XAxis,
Vector3d.YAxis,
Vector3d.ZAxis);
//将关联面的两个点作为铣型的起始
var pt1 = currentFace.Point1.TransformBy(matrix);
var pt2 = currentFace.Point4.TransformBy(matrix);
//TODO:需要考虑的事情
//1、LeadIn和LeadOut
//2、铣型的方向
//3、double/triple pass
//4、刀补的方向如何偏移
//5、宽度的方向如何偏移
List <Point3d> points = new List <Point3d>()
{
pt1, pt2
};
List <double> bulges = new List <double>()
{
0, 0
};
Machinings.Routing route = new Machinings.Routing();
route.Bulges = bulges;
route.Points = points;
route.ToolComp = ToolComp.None;
route.Part = f.Part;
route.OnFace5 = (f.FaceNumber == 5) ? true : false;
route.ToolName = this.ToolName;
f.Part.Routings.Add(route);
}
}
private Matrix3d PlineUCS(Polyline pline, int param)
{
Point3d origin = pline.GetPoint3dAt(param);
Vector3d xDir = origin.GetVectorTo(pline.GetPoint3dAt(param + 1)).GetNormal();
Vector3d zDir = pline.Normal;
Vector3d yDir = zDir.CrossProduct(xDir).GetNormal();
return(Matrix3d.AlignCoordinateSystem(
Point3d.Origin,
Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis,
origin,
xDir, yDir, zDir));
}
// 根据入口向量、法向量获得变换矩阵
Matrix3d GetTranslateMatrix(Point3d inPoint, Vector3d inVector, Vector3d normal)
{
Vector3d xAxis = inVector;
xAxis = xAxis.GetNormal();
Vector3d zAxis = normal;
zAxis = zAxis.GetNormal();
Vector3d yAxis = new Vector3d(xAxis.X, xAxis.Y, xAxis.Z);
yAxis = yAxis.RotateBy(Math.PI * 0.5, zAxis);
return(Matrix3d.AlignCoordinateSystem(Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis, inPoint, xAxis, yAxis, zAxis));
}
/// <summary>
/// TODO
/// </summary>
/// <returns></returns>
public Matrix3d LayMatrix()
{
Vector3d normal;
Vector3d vector3D;
Vector3d normal1;
Matrix3d matrix3D;
Vector3d vector;
if (XEdge.Length < SettingsUser.TolPoint)
{
matrix3D = new Matrix3d();
return(matrix3D);
}
if (!_rightAngle)
{
vector = XEdge.Eaxis.ToVector();
normal = vector.GetNormal();
}
else
{
normal = XEdge.Tangent.GetNormal();
}
if (!Normal.IsLessThanTol())
{
normal1 = Normal.GetNormal();
vector = normal1.CrossProduct(normal);
vector3D = vector.GetNormal();
vector = normal.CrossProduct(vector3D);
normal1 = vector.GetNormal();
}
else
{
if (YEdge.Length < SettingsUser.TolPoint)
{
matrix3D = new Matrix3d();
return(matrix3D);
}
vector3D = YEdge.Tangent.GetNormal();
vector = normal.CrossProduct(YEdge.Tangent);
normal1 = vector.GetNormal();
vector = normal1.CrossProduct(normal);
vector3D = vector.GetNormal();
}
return(Matrix3d.AlignCoordinateSystem(VertPoint, normal, vector3D, normal1, Point3d.Origin, Vector3d.XAxis,
Vector3d.YAxis, Vector3d.ZAxis));
}
public override void ToMachining(double associateDist, Entities.ToolFile toolFile)
{
FindAssociatedFaces(associateDist);
PartFace pf = this.Part.GetPartFaceByNumber(FaceNumber);
if (pf.AssociatedPartFaces.Count != 0)//数量不为0，说明有关联的板件
{
List <HDrilling> TempHDrills = new List <HDrilling>();
foreach (double d in this.PointsPosition)
{
HDrilling hdrill = new HDrilling(this.FaceNumber, this.EdgeBoreDiameter, this.EdgeBoreDepth, d, this.ZValue, Part);
TempHDrills.Add(hdrill);
}
foreach (StructXY xy in this.ListCamVBoreXY)
{
VDrilling vdrill = new VDrilling(this.CamFaceNumber, xy.X, xy.Y, this.CamFaceBoreDiameter, this.CamFaceBoreDepth, Part);
Part.VDrillings.Add(vdrill);
}
foreach (PartFace f in pf.AssociatedPartFaces)
{
if (!f.IsHorizontalFace)//如果关联的面是面5或面6
{
foreach (HDrilling hdrill in TempHDrills)
{
Point3d holeposition = hdrill.GetBorePosition();
holeposition = holeposition.TransformBy(Matrix3d.AlignCoordinateSystem(new Point3d(), Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis, hdrill.Part.MPPoint, hdrill.Part.MPXAxis, hdrill.Part.MPYAxis, hdrill.Part.MPZAxis));
holeposition = Math.MathHelper.GetRotatedAndMovedPoint(holeposition, Part.TXRotation, Part.TYRotation, Part.TZRotation, Part.CenterVector);
holeposition = holeposition.TransformBy(Matrix3d.AlignCoordinateSystem(f.Part.MovedMPPoint, f.Part.MovedMPXAxis, f.Part.MovedMPYAxis, f.Part.MovedMPZAxis, new Point3d(), Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis));
double dimx = holeposition.X;
double dimy = holeposition.Y;
VDrilling vdrill = new VDrilling(f.FaceNumber, dimx, dimy, this.FaceBoreDiameter, this.FaceBoreDepth, f.Part);
f.Part.VDrillings.Add(vdrill);
}
}
else//TODO:如果关联的面是水平面
{
}
}
if (this.EdgeBoreDiameter > 0 && this.EdgeBoreDepth > 0)
{
Part.HDrillings.AddRange(TempHDrills);
}
}
}
WCS2UCS(Point3d pnt3dOrigin, Point3d pnt3dXaxis, Point3d pnt3dYaxis)
{
Matrix3d newMatrix = new Matrix3d();
Vector3d vector3dXaxis = new Vector3d(pnt3dXaxis.X - pnt3dOrigin.X, pnt3dXaxis.Y - pnt3dOrigin.Y, pnt3dXaxis.Z - pnt3dOrigin.Z);
Vector3d vector3dYaxis = new Vector3d(pnt3dYaxis.X - pnt3dOrigin.X, pnt3dYaxis.Y - pnt3dOrigin.Y, pnt3dYaxis.Z - pnt3dOrigin.Z);
Vector3d vector3dZ = vector3dXaxis.CrossProduct(vector3dYaxis);
Vector3d vector3dY = vector3dZ.CrossProduct(vector3dXaxis);
Vector3d vector3dPerpY = new Vector3d(vector3dY.X + pnt3dOrigin.X, vector3dY.Y + pnt3dOrigin.Y, vector3dY.Z + pnt3dOrigin.Z);
newMatrix = Matrix3d.AlignCoordinateSystem(Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis,
pnt3dOrigin, vector3dXaxis, vector3dPerpY, Vector3d.ZAxis);
return(newMatrix);
}
GetUcsToWcsOriginMatrix(Point3d wcsBasePt, Database db)
{
Matrix3d m = GetUcsMatrix(db);
Point3d origin = m.CoordinateSystem3d.Origin;
origin += wcsBasePt.GetAsVector();
m = Matrix3d.AlignCoordinateSystem(origin,
m.CoordinateSystem3d.Xaxis,
m.CoordinateSystem3d.Yaxis,
m.CoordinateSystem3d.Zaxis,
Utils.Ge.kOrigin, Utils.Ge.kXAxis, Utils.Ge.kYAxis, Utils.Ge.kZAxis);
return(m);
}
private bool IsPointIn(Point3d pt, double tolerateValue, double associateDist)
{
//先把世界坐标系下的pt转换成mp坐标系下
pt = pt.TransformBy(Matrix3d.AlignCoordinateSystem(this.Part.MovedMPPoint,
this.Part.MovedMPXAxis,
this.Part.MovedMPYAxis,
this.Part.MovedMPZAxis,
Point3d.Origin,
Vector3d.XAxis,
Vector3d.YAxis,
Vector3d.ZAxis));
//取有效数字两个，是为了避免精确计算的情况下的误差导致判断错误
double x = System.Math.Round(pt.X, 2);
double y = System.Math.Round(pt.Y, 2);
double z = System.Math.Round(pt.Z, 2);
double zlimitUp = associateDist;
if (FaceNumber == 6)
{
zlimitUp = associateDist + this.Part.Thickness;
}
double zlimitDown = 0;
if (FaceNumber == 6)
{
zlimitDown = this.Part.Thickness;
}
//板件是否旋转，判断的区间也不同
if (this.Part.MachinePoint.IsRotated)
{
if (x >= 0 && x <= this.Part.Width && y >= 0 && y <= this.Part.Length && z >= zlimitDown && z <= zlimitUp)
{
return(true);
}
}
else
{
if (x >= 0 && x <= this.Part.Length && y >= 0 && y <= this.Part.Width && z >= zlimitDown && z <= zlimitUp)
{
return(true);
}
}
return(false);
}
public static void SetViewTo(Autodesk.AutoCAD.GraphicsSystem.View view, Database db)
{
if (_extMax.Equals(Point3d.Origin) && _extMin.Equals(Point3d.Origin))
{
// just check we have valid extents
if (db.Extmax.X < db.Extmin.X || db.Extmax.Y < db.Extmin.Y || db.Extmax.Z < db.Extmax.Z)
{
db.Extmin = new Point3d(0, 0, 0);
db.Extmax = new Point3d(400, 400, 400);
}
// get the dwg extents
_extMax = db.Extmax;
_extMin = db.Extmin;
}
// now the active viewport info
double height = 0.0, width = 0.0, viewTwist = 0.0;
Point3d targetView = new Point3d();
Vector3d viewDir = new Vector3d();
GetActiveViewPortInfo(ref height, ref width, ref targetView, ref viewDir, ref viewTwist, true);
// from the data returned let's work out the viewmatrix
viewDir = viewDir.GetNormal();
Vector3d viewXDir = viewDir.GetPerpendicularVector().GetNormal();
viewXDir = viewXDir.RotateBy(viewTwist, -viewDir);
Vector3d viewYDir = viewDir.CrossProduct(viewXDir);
Point3d boxCenter = _extMin + 0.5 * (_extMax - _extMin);
Matrix3d viewMat;
viewMat = Matrix3d.AlignCoordinateSystem(boxCenter, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis,
boxCenter, viewXDir, viewYDir, viewDir).Inverse();
Extents3d wcsExtents = new Extents3d(_extMin, _extMax);
Extents3d viewExtents = wcsExtents;
viewExtents.TransformBy(viewMat);
double xMax = System.Math.Abs(viewExtents.MaxPoint.X - viewExtents.MinPoint.X);
double yMax = System.Math.Abs(viewExtents.MaxPoint.Y - viewExtents.MinPoint.Y);
Point3d eye = boxCenter + viewDir;
view.SetView(eye, boxCenter, viewYDir, xMax, yMax);
view.Invalidate();
view.Update();
}
/// <summary>
/// 取得世界坐标系下的点在这个板件的MP坐标系下的坐标
/// </summary>
/// <param name="pt"></param>
/// <returns></returns>
private Point3d getProjectPoint(Point3d pt)
{
//先把世界坐标系下的pt转换成mp坐标系下
pt = pt.TransformBy(Matrix3d.AlignCoordinateSystem(this.Part.MovedMPPoint,
this.Part.MovedMPXAxis,
this.Part.MovedMPYAxis,
this.Part.MovedMPZAxis,
Point3d.Origin,
Vector3d.XAxis,
Vector3d.YAxis,
Vector3d.ZAxis));
//取有效数字两个，是为了避免精确计算的情况下的误差导致判断错误
double x = System.Math.Round(pt.X, 2);
double y = System.Math.Round(pt.Y, 2);
double z = System.Math.Round(pt.Z, 2);
return(new Point3d(x, y, z));
}
public static void ChangeUcs(Point3d aOrigin, Point3d aPointForXAxis)
{
//Point3d pt1 = new Point3d(10, 10, 0);
//Point3d pt2 = new Point3d(50, 50, 0);
var pt1 = aOrigin;
var pt2 = aPointForXAxis;
var ed = Application.DocumentManager.MdiActiveDocument.Editor;
var zAxis = ed.CurrentUserCoordinateSystem.CoordinateSystem3d.Zaxis;
var xAxis = pt1.GetVectorTo(pt2).GetNormal();
var yAxis = zAxis.CrossProduct(xAxis).GetNormal();
var mat = Matrix3d.AlignCoordinateSystem(
Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis, pt1, xAxis, yAxis, zAxis);
ed.CurrentUserCoordinateSystem = mat;
}
public static Matrix3d GetTransforMatrixToUcs()
{
var world = Matrix3d.AlignCoordinateSystem(
Application.DocumentManager.MdiActiveDocument.Editor.CurrentUserCoordinateSystem.CoordinateSystem3d
.Origin,
Application.DocumentManager.MdiActiveDocument.Editor.CurrentUserCoordinateSystem.CoordinateSystem3d
.Xaxis,
Application.DocumentManager.MdiActiveDocument.Editor.CurrentUserCoordinateSystem.CoordinateSystem3d
.Yaxis,
Application.DocumentManager.MdiActiveDocument.Editor.CurrentUserCoordinateSystem.CoordinateSystem3d
.Zaxis,
Point3d.Origin,
Vector3d.XAxis,
Vector3d.YAxis,
Vector3d.ZAxis);
return(world);
}
public static CoordinateSystem3d SetUCSToCustom(CoordinateSystem3d FromUcs, CoordinateSystem3d toUcs)
{
Editor ed = Application.DocumentManager.CurrentDocument.Editor;
Matrix3d newMatrix = new Matrix3d();
newMatrix = Matrix3d.AlignCoordinateSystem(FromUcs.Origin,
FromUcs.Xaxis,
FromUcs.Yaxis,
FromUcs.Zaxis,
toUcs.Origin,
toUcs.Xaxis,
toUcs.Yaxis,
toUcs.Zaxis);
ed.CurrentUserCoordinateSystem = newMatrix;
ed.Regen();
return(newMatrix.CoordinateSystem3d);
}
public static Point3d ToWCS(this Point3d pUCS)
{
if (IsUCSInited == false)
{
UCS = GetUCS();
matrixToUCS = Matrix3d.AlignCoordinateSystem(Point3d.Origin,
Vector3d.XAxis,
Vector3d.YAxis,
Vector3d.ZAxis,
UCS.Origin,
UCS.Xaxis,
UCS.Yaxis,
UCS.Zaxis);
IsUCSInited = true;
}
Point3d pPt3dWCS = pUCS.TransformBy(matrixToUCS);
return(pPt3dWCS);
}
public override bool WorldDraw(Drawable drawable, WorldDraw wd)
{
if (wd.RegenAbort || wd.IsDragging)
{
return(base.WorldDraw(drawable, wd));
}
RebarPos pos = drawable as RebarPos;
if (pos == null || (pos.IncludeInBOQ && !pos.Detached))
{
return(base.WorldDraw(drawable, wd));
}
// Get geometry
Point3d minpt;
Point3d maxpt;
pos.TextBox(out minpt, out maxpt);
minpt = minpt.DivideBy(pos.Scale);
maxpt = maxpt.DivideBy(pos.Scale);
using (Solid solid = new Solid())
{
solid.SetPointAt(0, new Point3d(minpt.X - 0.15, minpt.Y - 0.15, 0));
solid.SetPointAt(1, new Point3d(maxpt.X + 0.15, minpt.Y - 0.15, 0));
solid.SetPointAt(2, new Point3d(minpt.X - 0.15, maxpt.Y + 0.15, 0));
solid.SetPointAt(3, new Point3d(maxpt.X + 0.15, maxpt.Y + 0.15, 0));
solid.Color = mColor;
solid.LayerId = PosUtility.DefpointsLayer;
Matrix3d trans = Matrix3d.AlignCoordinateSystem(
Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis,
pos.BasePoint, pos.DirectionVector, pos.UpVector, pos.NormalVector);
solid.TransformBy(trans);
wd.Geometry.Draw(solid);
}
// Draw the entity over shading
return(base.WorldDraw(drawable, wd));
}
public void CreateUcsOrigin()
{
Database db = HostApplicationServices.WorkingDatabase;
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
PromptPointOptions opt = new PromptPointOptions("指定新原点");
PromptPointResult res = ed.GetPoint(opt);
Point3d pt = res.Value;
using (Transaction trans = db.TransactionManager.StartTransaction())
{
Vector3d xAxis = db.Ucsxdir;
Vector3d yAxis = db.Ucsydir;
Vector3d zAxis = xAxis.CrossProduct(yAxis);
Matrix3d cmt = ed.CurrentUserCoordinateSystem;
Point3d newOrg = pt.TransformBy(cmt);
Matrix3d mT = Matrix3d.AlignCoordinateSystem(Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis, newOrg, xAxis, yAxis, zAxis);
ed.CurrentUserCoordinateSystem = mT;
trans.Commit();
}
}
public void CreateUCS()
{
Database db = HostApplicationServices.WorkingDatabase;
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
using (Transaction trans = db.TransactionManager.StartTransaction())
{
UcsTable ut = (UcsTable)trans.GetObject(db.UcsTableId, OpenMode.ForWrite);
String ucsName = "myUCS";
if (ut.Has(ucsName) == false)
{
UcsTableRecord utr = new UcsTableRecord();
utr.Name = ucsName;
utr.Origin = new Point3d(0, 0, 0);
utr.XAxis = new Vector3d(0, 1, 0);
utr.YAxis = new Vector3d(-1, 0, 0);
Matrix3d mt = Matrix3d.AlignCoordinateSystem(Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis, utr.Origin, utr.XAxis, utr.YAxis, utr.XAxis.CrossProduct(utr.YAxis));
ed.CurrentUserCoordinateSystem = mt;
}
trans.Commit();
}
}
public void CreateUcsxAxis()
{
Database db = HostApplicationServices.WorkingDatabase;
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
PromptAngleOptions opt = new PromptAngleOptions("指定绕 X 轴的旋转角度");
opt.UseDefaultValue = true;
opt.DefaultValue = Math.PI / 2;
PromptDoubleResult res = ed.GetAngle(opt);
Double ang = res.Value;
using (Transaction trans = db.TransactionManager.StartTransaction())
{
Vector3d xAxis = db.Ucsxdir;
Vector3d yAxis = db.Ucsydir.RotateBy(ang, xAxis);
Vector3d zAxis = xAxis.CrossProduct(yAxis);
Point3d org = db.Ucsorg;
Matrix3d mT = Matrix3d.AlignCoordinateSystem(Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis, org, xAxis, yAxis, zAxis);
ed.CurrentUserCoordinateSystem = mT;
trans.Commit();
}
}
Polyline MakeFromLine(Line l)
{
var result = new Polyline();
p1 = l.StartPoint; p2 = l.EndPoint;
p1p2 = new Line(p1, p2);
p1p2v = p1p2.Delta.MultiplyBy(1 / p1p2.Length);
p11 = p1.Add(p1p2v.MultiplyBy(overlength * -1));
p21 = p2.Add(p1p2v.MultiplyBy(overlength));
result.AddVertexAt(0, p11.to2d(), 0, 0, 0);
Point2d pt = new Point2d(p1.X * 0.5 + p2.X * 0.5, p1.Y * 0.5 + p2.Y * 0.5);
Matrix3d M = Matrix3d.AlignCoordinateSystem(Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis,
new Point3d(pt.X, pt.Y, 0), p1p2v, p1p2v.GetPerpendicularVector(), Vector3d.ZAxis);
//переносим и масштабируем символ
Polyline bl = DefaultPolyline();
bl.TransformBy(M);
M = Matrix3d.Scaling(size, new Point3d(pt.X, pt.Y, 0));
bl.TransformBy(M);
//добавляем символ по одной точке в результирующую полилинию в ее конец
for (int i = 0; i < bl.NumberOfVertices; i++)
{
result.AddVertexAt(result.NumberOfVertices, bl.GetPoint2dAt(i), 0, 0, 0);
}
result.AddVertexAt(result.NumberOfVertices, p21.to2d(), 0, 0, 0);
result.SetDatabaseDefaults();
return(result);
}