public static void CreateStairFrom4Point(Point3d pt1, Point3d pt2, Point3d pt3, Point3d pt4, double stairWidth, string Layer)
{
Point3dCollection verx = new Point3dCollection();
verx.Add(pt1);
verx.Add(pt2);
verx.Add(pt3);
verx.Add(pt4);
// Draw arrow
Point3dCollection arrowPoint = new Point3dCollection();
Point3d mid1 = new Point3d((pt1.X + pt2.X) / 2, (pt1.Y + pt2.Y) / 2, (pt1.Z + pt2.Z) / 2);
Point3d mid2 = new Point3d((pt3.X + pt4.X) / 2, (pt3.Y + pt4.Y) / 2, (pt3.Z + pt4.Z) / 2);
if (mid1.Z < mid2.Z)
{
drawArrow(mid1, mid2, pt1 - pt2, pt1.DistanceTo(pt2), stairWidth);
}
else
{
drawArrow(mid2, mid1, pt1 - pt2, pt1.DistanceTo(pt2), stairWidth);
}
Polyline3d pl = new Polyline3d(Poly3dType.SimplePoly, verx, true);
pl.Layer = Layer;
ArxHelper.AppendEntity(pl);
for (int i = 1; i < pt3.DistanceTo(pt2) / stairWidth; i++)
{
Point3d p1 = pt1 + (pt3 - pt2).GetNormal() * i * stairWidth;
Point3d p2 = pt2 + (pt3 - pt2).GetNormal() * i * stairWidth;
Line line = new Line(p1, p2);
line.Layer = Layer;
ArxHelper.AppendEntity(line);
}
}
public static bool BuildPolylineFrom2Point(Point3d pt1, Point3d pt2)
{
//Get document, DataBase and Editor
Document doc = Application.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
Editor ed = doc.Editor;
PromptPointOptions op = new PromptPointOptions("Pick Direction:");
op.UseBasePoint = true;
op.BasePoint = pt1;
Line line = new Line(pt1, pt2);
PromptPointResult r = ed.GetPoint(op);
if (r.Status == PromptStatus.OK)
{
Point3dCollection pts = new Point3dCollection();
Point3d pt = line.GetClosestPointTo(r.Value, true);
Point3d EndPoint = pt1 + (r.Value - pt).GetNormal() * 3;
Point3d StartPoint = pt2 + (r.Value - pt).GetNormal() * 3;
Point3dCollection vertex = new Point3dCollection();
vertex.Add(EndPoint);
vertex.Add(pt1);
vertex.Add(pt2);
vertex.Add(StartPoint);
Polyline3d pl3d = new Polyline3d(Poly3dType.SimplePoly, vertex, false);
ArxHelper.AppendEntity(pl3d);
vertex.Dispose();
return(true);
}
return(false);
}
public static void BuildLine(Line longline, Line shortline)
{
Point3d ptex1 = new Point3d();
Point3d ptex2 = new Point3d();
ptex1 = longline.GetClosestPointTo(shortline.StartPoint, true);
ptex2 = longline.GetClosestPointTo(shortline.EndPoint, true);
Point3dCollection points1 = new Point3dCollection();
Point3dCollection points2 = new Point3dCollection();
points1.Add(ptex1);
points1.Add(shortline.StartPoint);
points1.Add(shortline.EndPoint);
points1.Add(ptex2);
Polyline3d pl1 = new Polyline3d(Poly3dType.SimplePoly, points1, false);
ArxHelper.AppendEntity(pl1);
Vector3d dir = (ptex1 - shortline.StartPoint);
Point3d pt11 = longline.StartPoint + dir.GetNormal() * 3;
Point3d pt21 = longline.EndPoint + dir.GetNormal() * 3;
if (ptex1.DistanceTo(longline.StartPoint) + ptex1.DistanceTo(longline.EndPoint) > longline.Length)
{
if (ptex1.DistanceTo(longline.StartPoint) < ptex1.DistanceTo(longline.EndPoint))
{
Point3d pt = new Point3d();
pt = ptex1 + (ptex1 - longline.EndPoint).GetNormal() * 3;
Line l = new Line(pt, ptex1);
AppendEntity(l);
points2.Add(pt);
points2.Add(longline.StartPoint);
points2.Add(longline.EndPoint);
points2.Add(pt21);
}
else
{
Point3d pt = new Point3d();
pt = ptex2 + (ptex2 - longline.StartPoint).GetNormal() * 3;
points2.Add(pt);
points2.Add(longline.StartPoint);
points2.Add(longline.EndPoint);
points2.Add(pt21);
}
}
else
{
points2.Add(pt11);
points2.Add(longline.StartPoint);
points2.Add(longline.EndPoint);
points2.Add(pt21);
}
Polyline3d pl2 = new Polyline3d(Poly3dType.SimplePoly, points2, false);
ArxHelper.AppendEntity(pl2);
}
public static void CreateStairFrom3Point(Point3d pt1, Point3d pt2, Point3d pt3, double stairWidth, string Layer)
{
Line l12 = new Line(pt1, pt2);
Point3d ptonL12 = l12.GetClosestPointTo(pt3, false);
Xline xl1 = new Xline();
xl1.BasePoint = pt1;
xl1.UnitDir = pt3 - ptonL12;
Xline xl3 = new Xline();
xl3.BasePoint = pt3;
xl3.UnitDir = pt1 - pt2;
Point3dCollection pts3 = new Point3dCollection();
Point3dCollection pts4 = new Point3dCollection();
xl1.IntersectWith(xl3, Intersect.OnBothOperands, pts3, IntPtr.Zero, IntPtr.Zero);
Point3d p3 = new Point3d();
Point3d p4 = new Point3d();
if (pts3.Count > 0)
{
p3 = pts3[0];
}
else
{
return;
}
Xline xl2 = new Xline();
xl2.BasePoint = pt2;
xl2.UnitDir = pt3 - ptonL12;
xl2.IntersectWith(xl3, Intersect.OnBothOperands, pts4, IntPtr.Zero, IntPtr.Zero);
if (pts4.Count > 0)
{
p4 = pts4[0];
}
else
{
return;
}
Point3dCollection verx = new Point3dCollection();
verx.Add(pt1);
verx.Add(pt2);
verx.Add(p4);
verx.Add(p3);
Polyline3d pl = new Polyline3d(Poly3dType.SimplePoly, verx, true);
pl.Layer = Layer;
ArxHelper.AppendEntity(pl);
for (int i = 1; i < p4.DistanceTo(pt2) / stairWidth; i++)
{
Point3d p1 = pt1 + (p4 - pt2).GetNormal() * i * stairWidth;
Point3d p2 = pt2 + (p4 - pt2).GetNormal() * i * stairWidth;
Line line = new Line(p1, p2);
line.Layer = Layer;
ArxHelper.AppendEntity(line);
}
Point3d mid1 = new Point3d((pt1.X + pt2.X) / 2, (pt1.Y + pt2.Y) / 2, (pt1.Z + pt2.Z) / 2);
Point3d mid2 = new Point3d((p3.X + p4.X) / 2, (p3.Y + p4.Y) / 2, (p3.Z + p4.Z) / 2);
if (mid1.Z < mid2.Z)
{
drawArrow(mid1, mid2, pt1 - pt2, pt1.DistanceTo(pt2), stairWidth);
}
else
{
drawArrow(mid2, mid1, pt1 - pt2, pt1.DistanceTo(pt2), stairWidth);
}
}
public static bool BuilPolyline(Point3d pt1, Point3d pt2, Point3d closerPoint, Point3d CloserPointOnLine, Point3d FurtherPoint, Point3d FurthurPointOnLine)
{
//Build Longer line
Point3d pt7 = pt1 + (CloserPointOnLine - closerPoint).GetNormal() * 3;
Point3d pt8 = pt2 + (CloserPointOnLine - closerPoint).GetNormal() * 3;
Point3dCollection verx = new Point3dCollection();
verx.Add(pt7);
verx.Add(pt1);
verx.Add(pt2);
verx.Add(pt8);
Polyline3d longer = new Polyline3d(Poly3dType.SimplePoly, verx, false);
//Build Shorter Line
Xline xline = new Xline();
xline.BasePoint = closerPoint;
xline.UnitDir = pt1 - pt2;
Line l48 = new Line(FurthurPointOnLine, FurtherPoint);
Point3dCollection intersec = new Point3dCollection();
xline.IntersectWith(l48, Intersect.OnBothOperands, intersec, IntPtr.Zero, IntPtr.Zero);
if (intersec.Count < 1)
{
return(false);
}
Xline xl1 = new Xline();
if (pt1.DistanceTo(FurtherPoint) < pt2.DistanceTo(FurtherPoint))
{
xl1.BasePoint = pt1;
}
else
{
xl1.BasePoint = pt2;
}
xl1.UnitDir = pt7 - pt1;
Xline xl2 = new Xline();
xl2.BasePoint = FurtherPoint;
xl2.UnitDir = pt2 - pt1;
Point3dCollection intersec2 = new Point3dCollection();
xl1.IntersectWith(xl2, Intersect.OnBothOperands, intersec2, IntPtr.Zero, IntPtr.Zero);
Point3dCollection verx2 = new Point3dCollection();
if (intersec2.Count < 1)
{
return(false);
}
ArxHelper.AppendEntity(longer);
if (pt1.DistanceTo(FurtherPoint) < pt2.DistanceTo(FurtherPoint))
{
verx2.Add(pt1);
verx2.Add(intersec2[0]);
verx2.Add(FurtherPoint);
verx2.Add(intersec[0]);
verx2.Add(closerPoint);
verx2.Add(CloserPointOnLine);
Polyline3d pl = new Polyline3d(Poly3dType.SimplePoly, verx2, false);
ArxHelper.AppendEntity(pl);
return(true);
}
else
{
verx2.Add(pt2);
verx2.Add(intersec2[0]);
verx2.Add(FurtherPoint);
verx2.Add(intersec[0]);
verx2.Add(closerPoint);
verx2.Add(CloserPointOnLine);
Polyline3d pl = new Polyline3d(Poly3dType.SimplePoly, verx2, false);
ArxHelper.AppendEntity(pl);
return(true);
}
}