public Point3d?Inters(Point3d p1, Point3d p2, Point3d p3, Point3d p4)
{
var r = Inters(p1.GetPoint2d(), p2.GetPoint2d(), p3.GetPoint2d(), p4.GetPoint2d());
if (!r.HasValue)
{
return(null);
}
return(new Point3d(r.Value.X, r.Value.Y, 0.0));
}
public void Avx()
{
int ver = AcAp.Version.Major;
bool segHighlight = ver >= 18;
bool loop = true;
PromptEntityOptions peo = new PromptEntityOptions(
"\nSelet asegment where to add a vertex: ");
peo.SetRejectMessage("\nPolyline only: ");
peo.AllowNone = false;
peo.AllowObjectOnLockedLayer = false;
peo.AddAllowedClass(typeof(Polyline), false);
while (loop)
{
PromptEntityResult per = ed.GetEntity(peo);
if (per.Status != PromptStatus.OK)
{
loop = false;
continue;
}
Matrix3d UCS = ed.CurrentUserCoordinateSystem;
ObjectId objId = per.ObjectId;
try
{
using (Transaction trans = db.TransactionManager.StartTransaction())
{
Polyline pline = (Polyline)trans.GetObject(objId, OpenMode.ForRead, false);
Point3d pickPt = pline.GetClosestPointTo(
per.PickedPoint.TransformBy(UCS),
ed.GetCurrentView().ViewDirection,
false);
double param = pline.GetParameterAtPoint(pickPt);
int index = (int)param;
Matrix3d OCS = Matrix3d.PlaneToWorld(pline.Normal);
Point3d transPt = pickPt.TransformBy(OCS);
if (!OCS.CoordinateSystem3d.Zaxis.IsEqualTo(UCS.CoordinateSystem3d.Zaxis))
{
ed.CurrentUserCoordinateSystem = PlineUCS(pline, index);
}
var aperture = (Int16)AcAp.GetSystemVariable("APERTURE");
double viewSize = (double)AcAp.GetSystemVariable("VIEWSIZE");
Point2d screenSize = (Point2d)AcAp.GetSystemVariable("SCREENSIZE");
double tol = 2 * aperture * viewSize / screenSize.Y;
Tolerance tolerance = new Tolerance(tol, tol);
int endParam = pline.Closed ?
pline.NumberOfVertices :
pline.NumberOfVertices - 1;
Vector3d vec;
using (Polyline ghost = new Polyline())
{
ghost.ColorIndex = 1;
if (!pline.Closed && pickPt.IsEqualTo(pline.GetPoint3dAt(0), tolerance))
{
vec = pline.GetFirstDerivative(0);
double bulge = pline.GetBulgeAt(0);
double width = pline.GetStartWidthAt(0);
Point2d p0 = transPt.GetPoint2d();
Point2d p1 = pline.GetPoint2dAt(0);
ghost.AddVertexAt(0, p0, bulge, width, width);
ghost.AddVertexAt(1, p1, bulge, width, width);
ghost.Normal = pline.Normal;
ghost.Elevation = pline.Elevation;
VertexJig jig = new VertexJig(ghost, pickPt, 0, vec, bulge,
width, width);
PromptResult res = ed.Drag(jig);
if (res.Status == PromptStatus.OK)
{
pline.UpgradeOpen();
pline.AddVertexAt(index, ghost.GetPoint2dAt(0),
ghost.GetBulgeAt(0), width, width);
}
}
else if (!pline.Closed && pickPt.IsEqualTo(pline.GetPoint3dAt(endParam),
tolerance))
{
vec = pline.GetFirstDerivative(endParam);
double bulge = pline.GetBulgeAt(index);
double width = pline.GetEndWidthAt(endParam);
Point2d p0 = pline.GetPoint2dAt(endParam);
Point2d p1 = new Point2d(transPt.X, transPt.Y);
ghost.AddVertexAt(0, p0, bulge, width, width);
ghost.AddVertexAt(1, p1, bulge, width, width);
ghost.Normal = pline.Normal;
ghost.Elevation = pline.Elevation;
VertexJig jig = new VertexJig(ghost, pickPt, 1, vec,
bulge, width, width);
PromptResult res = ed.Drag(jig);
if (res.Status == PromptStatus.OK)
{
pline.UpgradeOpen();
pline.AddVertexAt(endParam + 1, ghost.GetPoint2dAt(1),
ghost.GetBulgeAt(0), width, width);
pline.SetBulgeAt(endParam, ghost.GetBulgeAt(0));
}
}
else
{
vec = pline.GetFirstDerivative(index);
double bulge = pline.GetBulgeAt(index);
double sWidth = pline.GetStartWidthAt(index);
double eWidth = pline.GetEndWidthAt(index);
Point2d p0 = pline.GetPoint2dAt(index);
Point2d p1 = transPt.GetPoint2d();
Point2d p2;
if (!pline.Closed)
{
p2 = pline.GetPoint2dAt(index + 1);
}
else
{
try { p2 = pline.GetPoint2dAt(index + 1); }
catch { p2 = pline.GetPoint2dAt(0); }
}
FullSubentityPath subId = new FullSubentityPath(
new ObjectId[] { pline.ObjectId },
new SubentityId(SubentityType.Edge,
new IntPtr((long)index + 1)));
pline.Highlight(subId, false);
ghost.AddVertexAt(0, p0, bulge, sWidth, 0.0);
ghost.AddVertexAt(1, p1, bulge, 0, eWidth);
ghost.AddVertexAt(2, p2, 0.0, 0.0, 0.0);
ghost.Normal = pline.Normal;
ghost.Elevation = pline.Elevation;
VertexJig jig = new VertexJig(ghost, pickPt, 1, vec,
bulge, sWidth, eWidth);
PromptResult res = ed.Drag(jig);
if (res.Status == PromptStatus.OK)
{
pline.UpgradeOpen();
pline.SetStartWidthAt(index, ghost.GetStartWidthAt(1));
pline.AddVertexAt(
index + 1,
ghost.GetPoint2dAt(1),
ghost.GetBulgeAt(1),
ghost.GetStartWidthAt(1),
eWidth);
pline.SetBulgeAt(index, ghost.GetBulgeAt(0));
}
pline.Unhighlight(subId, false);
}
}
trans.Commit();
}
}
catch (Autodesk.AutoCAD.Runtime.Exception ex)
{
ed.WriteMessage("\nError: " + ex.Message + ex.StackTrace);
}
finally
{
ed.CurrentUserCoordinateSystem = UCS;
}
}
}
public static double GetAngleTo(this Point3d baze, Point3d pt)
{
return(baze.GetPoint2d().GetVectorTo(pt.GetPoint2d()).Angle);
}