//支座与L1最远交点共点梁线
public MxDrawLine GetXpoint(MxDrawPoint pts, MxDrawPoint pte, MxDrawPolyline seat)
{
MxDrawPoints pty = new MxDrawPoints();
MxDrawSelectionSet collect = new MxDrawSelectionSet();
for (int i = 0; i < seat.NumVerts; i++)
{
MxDrawPoint temp1 = seat.GetPointAt(i);
temp1.x = Math.Round(temp1.x, 6);
temp1.y = Math.Round(temp1.y, 6);
double angle = MathSience.GetAngle2(pts, pte);
if ((angle < 3 && angle > -2) || Math.Round(Math.Abs(angle)) == 180)//左右
{
if (Math.Round(pts.x, 6) != temp1.x && Math.Round(pte.x, 6) != temp1.x)
{
pty.Add2(temp1);
}
}
if ((angle > 80 && angle < 95) || (angle < -80 && angle > -95))//上下
{
if (Math.Round(pts.y, 6) != temp1.y && Math.Round(pte.y, 6) != temp1.y)
{
pty.Add2(temp1);
}
}
}
if (pty.Count > 1)
{
PointF ptx = MathSience.point_intersection(pts, pte, pty.Item(0), pty.Item(1));
collect.AllSelect();
for (int i = 0; i < collect.Count; i++)
{
MxDrawLine line = collect.Item(i) as MxDrawLine;
if (line == null)
{
continue;
}
if (line.ObjectName == "McDbLine")
{
MxDrawPoint t1 = line.StartPoint;
MxDrawPoint t2 = line.EndPoint;
MxDrawPoint tp = new MxDrawPoint
{
x = ptx.X,
y = ptx.Y
};
if (Math.Abs(Math.Round(t1.x) - ptx.X) < 1.5 && Math.Abs(Math.Round(t1.y) - ptx.Y) < 1.5)
{
return(line);
}
else if (Math.Abs(Math.Round(t2.x) - ptx.X) < 1.5 && Math.Abs(Math.Round(t2.y) - ptx.Y) < 1.5)
{
return(line);
}
}
}
}
return(new MxDrawLine());
}
//获取平行线
public MxDrawLine GetparallelLine(MxDrawLine line)
{
double range = 600, range2 = 600;
MxDrawPoint start = line.GetStartPoint();
MxDrawPoint end = line.GetEndPoint();
MxDrawSelectionSet select = new MxDrawSelectionSet();
MxDrawResbuf filter = new MxDrawResbuf();
MxDrawLayerTable layer = (Program.MainForm.axMxDrawX1.GetDatabase() as MxDrawDatabase).GetLayerTable();
double angle = MathSience.GetAngle2(start, end);
if (angle < 3 && angle > -2)
{
range = 0;
}
else
{
range2 = 0;
}
select.Select(MCAD_McSelect.mcSelectionSetCrossing, new MxDrawPoint
{
x = start.x - range,
y = start.y - range2,
z = start.z
}, new MxDrawPoint
{
x = end.x + range,
y = end.y + range2,
z = end.z
}, filter);
//Program.MainForm.axMxDrawX1.DrawLine(end.x - range, end.y - range2, end.x - range, end.y+range2);
//Program.MainForm.axMxDrawX1.DrawLine(end.x - range, end.y + range2, end.x + range, end.y + range2);
//Program.MainForm.axMxDrawX1.DrawLine(end.x + range, end.y + range2, end.x + range, end.y - range2);
//Program.MainForm.axMxDrawX1.DrawLine(end.x + range, end.y - range2, end.x - range, end.y - range2);
for (int i = 0; i < select.Count; i++)
{
MxDrawLine entity = select.Item(i) as MxDrawLine;
if (entity == null)
{
continue;
}
if (select.Item(i).ObjectName == "McDbLine")
{
MxDrawLayerTableRecord dd = layer.GetAt(entity.Layer);
if (line.handle != entity.handle && dd.Color.colorIndex != 1)
{
if (MathSience.parallel(entity.GetStartPoint(), entity.GetEndPoint(), line.GetStartPoint(), line.GetEndPoint()))
{
PointF point = MathSience.point_intersection(line.GetStartPoint(), line.GetEndPoint(), entity.GetStartPoint(), entity.GetEndPoint());
//if (point.X==0&&point.Y==0)
{
var c1 = entity.GetStartPoint();
var c2 = entity.GetEndPoint();
//if (MathSience.GetPointIsInLine(point, c1, c2, 2))
{
return(entity);
}
}
}
}
}
}
return(new MxDrawLine());
}