public static Brep GetTrimmedBrep(pps.Surface surface, SurfaceConverter surfConv, CurveConverter curveConv)
{
var rhSurf = surfConv.FromPipe <Surface, pps.Surface>(surface);
var brep = Brep.CreateFromSurface(rhSurf);
//if (!brep.IsValid) { brep.Repair(Rhino.RhinoMath.ZeroTolerance); }
if (typeof(pps.NurbsSurface).IsAssignableFrom(surface.GetType()) &&
((pps.NurbsSurface)surface).TrimCurves.Count > 0)
{
List <ppc.Curve> trims = ((pps.NurbsSurface)surface).TrimCurves;
List <ppc.Curve> loops = brep.Faces.First().Loops.Select((l) =>
curveConv.ToPipe <Curve, ppc.Curve>(l.To3dCurve())).ToList();
if (!PipeDataUtil.EqualIgnoreOrder(loops, trims))
{
var rhTrims = trims.Select((c) => curveConv.FromPipe <Curve, ppc.Curve>(c)).ToList();
var faceToSplit = brep.Faces.First();
var brep2 = faceToSplit.Split(rhTrims, Rhino.RhinoMath.ZeroTolerance);
//if (brep2 != null && !brep2.IsValid) { brep2.Repair(Rhino.RhinoMath.ZeroTolerance); }
if (brep2 != null && brep2.IsValid)
{
brep = GetEnclosedFacesAsBrep(brep2, rhTrims) ?? brep2;
}
}
}
return(brep);
}
public GeometryConverter()
{
var ptConv = AddConverter(new PointConverter(_pt3dConv));
var curveConv = new CurveConverter(_pt3dConv, _arcConv, _lineConv);
AddConverter(curveConv);
var meshConv = AddConverter(new MeshConverter(_pt3fConv));
var surfaceConverter = new SurfaceConverter(curveConv, _vec3DConv, _pt3dConv);
AddConverter(surfaceConverter);
var brepConv = new BrepConverter(surfaceConverter, curveConv, _pt3dConv);
AddConverter(brepConv);
}
public BrepConverter(SurfaceConverter surfConv, CurveConverter curveConv, Point3dConverter ptConv) :
base(
(rb) => {
List <pps.Surface> faces = new List <pps.Surface>();
List <List <int> > adjacency = new List <List <int> >();
for (int i = 0; i < rb.Faces.Count; i++)
{
var surf = (pps.NurbsSurface)surfConv.ToPipe <rh.Surface, pps.Surface>(rb.Faces[i].ToNurbsSurface());
surf.OuterTrims.Clear();
surf.OuterTrims.AddRange(rb.Faces[i].Loops.Where((l) =>
l.LoopType == rh.BrepLoopType.Outer).Select((l) =>
curveConv.ToPipe <rh.Curve, ppc.Curve>(l.To3dCurve())));
surf.InnerTrims.Clear();
surf.InnerTrims.AddRange(rb.Faces[i].Loops.Where((l) =>
l.LoopType == rh.BrepLoopType.Inner).Select((l) =>
curveConv.ToPipe <rh.Curve, ppc.Curve>(l.To3dCurve())));
faces.Add(surf);
adjacency.Add(rb.Faces[i].AdjacentFaces().ToList());
}
var polySurf = new pps.PolySurface(faces, adjacency);
polySurf.IsSolid = rb.IsSolid;
return(polySurf);
},
(pb) => {
if (pb.Surfaces.Count <= 0)
{
return(null);
}
rh.Brep brep = null;
int attempts = 0;
while (attempts < 15)
{
if (pb.Surfaces.Count == 1)
{
var surf = pb.Surfaces.FirstOrDefault();
brep = Util.GetTrimmedBrep(surf, surfConv, curveConv);
}
else
{
for (int i = 0; i < pb.Surfaces.Count; i++)
{
pps.Surface s = pb.Surfaces[i];
var subrep = Util.GetTrimmedBrep(s, surfConv, curveConv);
//if (!subrep.IsValid) { subrep.Repair(Rhino.RhinoMath.ZeroTolerance); }
if (i == 0)
{
brep = subrep;
}
else
{
//brep = Brep.MergeSurfaces(brep, subrep, Rhino.RhinoMath.ZeroTolerance,
// Rhino.RhinoMath.ZeroTolerance, Point2d.Unset, Point2d.Unset, 0.0, true) ??
// Brep.MergeSurfaces(brep, subrep, Rhino.RhinoMath.ZeroTolerance, Rhino.RhinoMath.ZeroTolerance) ??
// Brep.JoinBreps(new List<Brep>() { brep, subrep }, Rhino.RhinoMath.ZeroTolerance).First();
brep = rh.Brep.MergeBreps(new List <rh.Brep>()
{
brep, subrep
}, Rhino.RhinoMath.ZeroTolerance);
}
}
}
attempts += 1;
//not doing anymore attempts if this time was successful
if (brep.IsValid)
{
break;
}
}
string msg;
if (!brep.IsValidWithLog(out msg))
{
System.Diagnostics.Debug.WriteLine(msg);
attempts = 0;
while (!brep.IsValid && attempts < 15)
{
brep = rh.Brep.MergeBreps(pb.Surfaces.Select((s) =>
rh.Brep.CreateFromSurface(surfConv.FromPipe <rh.Surface, pps.Surface>(s))),
Rhino.RhinoMath.ZeroTolerance);
attempts += 1;
}
if (brep.IsValid)
{
return(brep);
}
throw new InvalidOperationException("Failed to create a valid brep from " +
"received data because: \n" + msg);
}
return(brep);
}
)
{ }
