// edge curve convenience method
private List <ICurve> GetSurfaceBrepEdges(RH.Brep brep, bool getExterior = true, bool getInterior = false, bool getBottom = false)
{
double tol = Doc.ModelAbsoluteTolerance * 1;
RH.Curve[] brpCurves = null;
if (getInterior)
{
brpCurves = brep.DuplicateNakedEdgeCurves(false, true);
}
else
{
brpCurves = brep.DuplicateNakedEdgeCurves(true, false);
}
if (getBottom)
{
double lowestPt = brpCurves.Min(o => o.PointAtStart.Z);
brpCurves = brpCurves.Where(o => o.PointAt(0.5).Z == lowestPt).ToArray();
}
List <ICurve> outCurves = null;
if (brpCurves != null)
{
outCurves = RH.Curve.JoinCurves(brpCurves, tol).Select(o => (ICurve)ConvertToSpeckle(o)).ToList();
}
return(outCurves);
}
/***************************************************/
public static BHG.IGeometry FromRhino(this RHG.Brep brep)
{
if (brep == null)
{
return(null);
}
string log;
if (!brep.IsValidWithLog(out log))
{
Reflection.Compute.RecordError("Conversion failed, Rhino Brep is invalid: " + log);
return(null);
}
if (brep.Faces.Count == 0)
{
return(null);
}
if (brep.IsSolid)
{
return(brep.ToBHoMSolid());
}
if (brep.IsPlanarSurface())
{
BHG.ICurve externalEdge = RHG.Curve.JoinCurves(brep.DuplicateNakedEdgeCurves(true, false)).FirstOrDefault().FromRhino();
List <BHG.ICurve> internalEdges = RHG.Curve.JoinCurves(brep.DuplicateNakedEdgeCurves(false, true)).Select(c => c.FromRhino()).ToList();
return(new BHG.PlanarSurface(externalEdge, internalEdges));
}
if (brep.Faces.Count == 1)
{
return(brep.Faces[0].FromRhino());
}
// Default case - return open Polysurface
return(new BHG.PolySurface()
{
Surfaces = brep.Faces.Select(s => s.FromRhino()).ToList()
});
}
// edge curve convenience method
private List <ICurve> GetSurfaceBrepEdges(RH.Brep brep, bool getExterior = true, bool getInterior = false, bool getBottom = false)
{
double tol = Doc.ModelAbsoluteTolerance * 1;
RH.Curve[] brpCurves = null;
if (getInterior)
{
brpCurves = brep.DuplicateNakedEdgeCurves(false, true);
}
else
{
brpCurves = brep.DuplicateNakedEdgeCurves(true, false);
}
if (getBottom)
{
var bottomCrv = brpCurves.
Where(o => o.IsLinear())?.
Where(o => new Vector3d(o.PointAtEnd.X - o.PointAtStart.X, o.PointAtEnd.Y - o.PointAtStart.Y, o.PointAtEnd.Z - o.PointAtStart.Z).IsPerpendicularTo(Vector3d.ZAxis))?.
Aggregate((curMin, o) => curMin == null || o.PointAtStart.Z < curMin.PointAtStart.Z ? o : curMin);
if (bottomCrv != null)
{
brpCurves = new RH.Curve[] { bottomCrv }
}
;
}
List <ICurve> outCurves = null;
if (brpCurves != null && brpCurves.Count() > 0)
{
outCurves = (brpCurves.Count() == 1) ? new List <ICurve>()
{
(ICurve)ConvertToSpeckle(brpCurves[0])
}
}
: RH.Curve.JoinCurves(brpCurves, tol).Select(o => (ICurve)ConvertToSpeckle(o)).ToList();
return(outCurves);
}
}
}