public override bool WorldDraw(Drawable d, WorldDraw wd)
{
double radius = 0.0;
if (d is DBObject)
{
radius = PipeRadiusForObject((DBObject)d);
}
if (radius > 0.0)
{
Line line = d as Line;
if (line != null)
{
// Draw the line as is, with overruled attributes
base.WorldDraw(line, wd);
if (!line.Id.IsNull && line.Length > 0.0)
{
// Draw a pipe around the line
EntityColor c =
wd.SubEntityTraits.TrueColor;
wd.SubEntityTraits.TrueColor =
new EntityColor(0x00AfAfff);
wd.SubEntityTraits.LineWeight =
LineWeight.LineWeight000;
Circle clr =
new Circle(
line.StartPoint,
line.EndPoint - line.StartPoint,
radius
);
ExtrudedSurface pipe = new ExtrudedSurface();
try
{
pipe.CreateExtrudedSurface(
clr, line.EndPoint - line.StartPoint, sweepOpts
);
}
catch
{
Document doc =
Application.DocumentManager.MdiActiveDocument;
doc.Editor.WriteMessage(
"\nFailed with CreateExtrudedSurface."
);
}
clr.Dispose();
pipe.WorldDraw(wd);
pipe.Dispose();
wd.SubEntityTraits.TrueColor = c;
}
return(true);
}
}
return(base.WorldDraw(d, wd));
}
public override void Explode(Entity e, DBObjectCollection objs)
{
double radius = 0.0;
if (e is DBObject)
{
radius = PipeDrawOverrule.PipeRadiusForObject(e);
}
if (radius > 0.0)
{
Line line = e as Line;
if (line != null)
{
if (!line.Id.IsNull && line.Length > 0.0)
{
// Draw a pipe around the line
Circle clr =
new Circle(
line.StartPoint,
line.EndPoint - line.StartPoint,
radius
);
ExtrudedSurface pipe = new ExtrudedSurface();
try
{
pipe.CreateExtrudedSurface(
clr, line.EndPoint - line.StartPoint, sweepOpts
);
}
catch
{
Document doc =
Application.DocumentManager.MdiActiveDocument;
doc.Editor.WriteMessage(
"\nFailed with CreateExtrudedSurface."
);
}
clr.Dispose();
objs.Add(pipe);
}
return;
}
}
base.Explode(e, objs);
}
//aqcuired this information online, not sure how tall this surface is supposed to be or how to insert it into drawing
//creates an extruded surface from an open polyline
private ExtrudedSurface extrudeOpenPolyline(Polyline pPoly, Editor ed)
{
ExtrudedSurface extrSurf = new ExtrudedSurface();
Face face = new Face(pPoly.StartPoint, pPoly.EndPoint, pPoly.EndPoint + new Vector3d(0, 0, 1000), pPoly.StartPoint + new Vector3d(0, 0, 1000), true, true, true, true);
Autodesk.AutoCAD.DatabaseServices.Surface sweepEnt = new Autodesk.AutoCAD.DatabaseServices.Surface();
sweepEnt.SetDatabaseDefaults();
try
{ sweepEnt = Autodesk.AutoCAD.DatabaseServices.Surface.CreateFrom(face); }
catch (Autodesk.AutoCAD.Runtime.Exception e)
{}
SweepOptions sweepOpts = new SweepOptions();
try
{ extrSurf.CreateExtrudedSurface(sweepEnt, (pPoly.EndPoint - pPoly.StartPoint).GetPerpendicularVector(), sweepOpts); }
catch
{ ed.WriteMessage("\nFailed with CreateExtrudedSurface."); }
return(extrSurf);
}
public static void UpdateSurface(ObjectId objectId, dynamic xb)
{
Editor ed = acApp.DocumentManager.MdiActiveDocument.Editor;
Document acDoc = acApp.DocumentManager.MdiActiveDocument;
Database acCurDb = acDoc.Database;
Point3d minPoint = new Point3d(Convert.ToDouble(xb.x1), Convert.ToDouble(xb.y1), Convert.ToDouble(xb.z1));
Point3d maxPoint = new Point3d(Convert.ToDouble(xb.x2), Convert.ToDouble(xb.y2), Convert.ToDouble(xb.z2));
using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
{
// Open the Block table record for read
BlockTable acBlkTbl;
acBlkTbl = acTrans.GetObject(acCurDb.BlockTableId,
OpenMode.ForRead) as BlockTable;
// Open the Block table record Model space for write
BlockTableRecord acBlkTblRec;
acBlkTblRec = acTrans.GetObject(acBlkTbl[BlockTableRecord.ModelSpace],
OpenMode.ForWrite) as BlockTableRecord;
Point3d pStart = minPoint;
Point3d pEnd = new Point3d(maxPoint.X, maxPoint.Y, minPoint.Z);
Vector3d vec = new Vector3d(0, 0, maxPoint.Z - minPoint.Z);
if (minPoint.Z == maxPoint.Z)
{
pStart = minPoint;
pEnd = new Point3d(maxPoint.X, minPoint.Y, maxPoint.Z);
vec = new Vector3d(0, maxPoint.Y - minPoint.Y, 0);
}
// Create polyline
Polyline3d poly = new Polyline3d();
acBlkTblRec.AppendEntity(poly);
acTrans.AddNewlyCreatedDBObject(poly, true);
// Add vertex
foreach (Point3d pnt in new List <Point3d>()
{
pStart, pEnd
})
{
PolylineVertex3d vex3d = new PolylineVertex3d(pnt);
poly.AppendVertex(vex3d);
acTrans.AddNewlyCreatedDBObject(vex3d, true);
}
poly.Closed = false;
#if BRX_APP
ExtrudedSurface extrSurf = (Teigha.DatabaseServices.ExtrudedSurface)acTrans.GetObject(objectId, OpenMode.ForWrite);
#elif ARX_APP
ExtrudedSurface extrSurf = (Autodesk.AutoCAD.DatabaseServices.ExtrudedSurface)acTrans.GetObject(objectId, OpenMode.ForWrite);
#endif
extrSurf.SetDatabaseDefaults();
SweepOptions sweepOpts = new SweepOptions();
extrSurf.CreateExtrudedSurface(poly, vec, sweepOpts);
extrSurf.UIsoLineDensity = 0;
extrSurf.VIsoLineDensity = 0;
extrSurf.Draw();
poly.Erase();
acTrans.Commit();
ed.UpdateScreen();
}
}
public void ExtrudedSurfaceCommand()
{
var document = Application.DocumentManager.MdiActiveDocument;
if (document == null) // don't bother doing anything else
return;
var extrudedSquareInputResult = GetExtrusionInputFromUser();
// convenience variables
var width = extrudedSquareInputResult.Width;
var height = extrudedSquareInputResult.Height;
var depth = extrudedSquareInputResult.Depth;
// create new lines based on user input
var line1 = new Line(new Point3d(0, 0, 0), new Point3d(width, 0, 0));
var line2 = new Line(new Point3d(width, 0, 0), new Point3d(width, height, 0));
var line3 = new Line(new Point3d(width, height, 0), new Point3d(0, height, 0));
var line4 = new Line(new Point3d(0, height, 0), new Point3d(0, 0, 0));
// convenience list
var lineList = new List<Line>
{
line1,
line2,
line3,
line4
};
using (document.LockDocument())
{
using (var database = document.Database)
{
using (var transaction = database.TransactionManager.StartTransaction())
{
using (var currentSpace = (BlockTableRecord)transaction.GetObject(database.CurrentSpaceId, OpenMode.ForWrite))
{
// add each line to current space and transaction then create an extruded surface from each with user supplied depth
foreach (var line in lineList)
{
currentSpace.AppendEntity(line);
transaction.AddNewlyCreatedDBObject(line, true);
var extrudedSurface = new ExtrudedSurface();
extrudedSurface.CreateExtrudedSurface(line, new Vector3d(0, 0, depth), new SweepOptions());
currentSpace.AppendEntity(extrudedSurface);
transaction.AddNewlyCreatedDBObject(extrudedSurface, true);
}
}
transaction.Commit();
}
}
}
}
