/***************************************************/
public static RHG.GeometryBase ToRhino(this BHG.NurbsSurface surface)
{
if (surface == null)
{
return(null);
}
List <int> uvCount = surface.UVCount();
RHG.NurbsSurface rhSurface = RHG.NurbsSurface.Create(3, true, surface.UDegree + 1, surface.VDegree + 1, uvCount[0], uvCount[1]);
for (int i = 0; i < rhSurface.KnotsU.Count; i++)
{
rhSurface.KnotsU[i] = surface.UKnots[i];
}
for (int i = 0; i < rhSurface.KnotsV.Count; i++)
{
rhSurface.KnotsV[i] = surface.VKnots[i];
}
for (int i = 0; i < uvCount[0]; i++)
{
for (int j = 0; j < uvCount[1]; j++)
{
rhSurface.Points.SetControlPoint(i, j, new RHG.ControlPoint(surface.ControlPoints[j + (uvCount[1] * i)].ToRhino(), surface.Weights[j + (uvCount[1] * i)]));
}
}
if (!rhSurface.IsValid)
{
return(null);
}
if (surface.OuterTrims.Count == 0 && surface.InnerTrims.Count == 0)
{
return(rhSurface);
}
else
{
RHG.Brep brep = new RHG.Brep();
int srf = brep.AddSurface(rhSurface);
RHG.BrepFace face = brep.Faces.Add(srf);
foreach (BHG.SurfaceTrim trim in surface.OuterTrims)
{
brep.AddBrepTrim(face, trim, RHG.BrepLoopType.Outer);
}
foreach (BHG.SurfaceTrim trim in surface.InnerTrims)
{
brep.AddBrepTrim(face, trim, RHG.BrepLoopType.Inner);
}
return(brep.IsValid ? brep : null);
}
}
/***************************************************/
public static RHG.Brep ToRhino(this List <BHG.ISurface> surfaces)
{
RHG.Brep brep = new RHG.Brep();
for (int i = 0; i < surfaces.Count; i++)
{
RHG.GeometryBase geo = surfaces[i].IToRhino();
if (geo is RHG.Surface)
{
brep.AddSurface((RHG.Surface)geo);
}
else if (geo is RHG.Brep)
{
brep.Append((RHG.Brep)geo);
}
}
brep.JoinNakedEdges(BHG.Tolerance.Distance);
return(brep);
}