public static global::Topologic.Face ToTopologic(this Rhino.Geometry.NurbsSurface nurbsSurface)
{
if (nurbsSurface == null)
{
return(null);
}
int uDegree = nurbsSurface.Degree(0);
int vDegree = nurbsSurface.Degree(1);
bool isUPeriodic = nurbsSurface.IsPeriodic(0);
bool isVPeriodic = nurbsSurface.IsPeriodic(1);
bool isRational = nurbsSurface.IsRational;
NurbsSurfaceKnotList ghUKnots = nurbsSurface.KnotsU;
List <double> uKnots = ghUKnots.ToList();
NurbsSurfaceKnotList ghVKnots = nurbsSurface.KnotsV;
List <double> vKnots = ghVKnots.ToList();
// OCCT-compatible
uKnots.Insert(0, uKnots[0]);
uKnots.Add(uKnots.Last());
vKnots.Insert(0, vKnots[0]);
vKnots.Add(vKnots.Last());
NurbsSurfacePointList ghControlPoints = nurbsSurface.Points;
List <IList <Vertex> > controlPoints = new List <IList <Vertex> >();
List <IList <double> > weights = new List <IList <double> >();
for (int i = 0; i < ghControlPoints.CountU; ++i)
{
List <Vertex> controlPoints1D = new List <Vertex>();
List <double> weights1D = new List <double>();
for (int j = 0; j < ghControlPoints.CountV; ++j)
{
ControlPoint ghControlPoint = ghControlPoints.GetControlPoint(i, j);
controlPoints1D.Add(ghControlPoint.Location.ToTopologic());
weights1D.Add(ghControlPoint.Weight);
}
controlPoints.Add(controlPoints1D);
weights.Add(weights1D);
}
return(global::Topologic.Face.ByNurbsParameters(controlPoints, weights, uKnots, vKnots, isRational, isUPeriodic, isVPeriodic, uDegree, vDegree));
}
public List <List <ControlPoint> > ControlPointsToSpeckle(NurbsSurfacePointList controlPoints, string units = null)
{
var points = new List <List <ControlPoint> >();
for (var i = 0; i < controlPoints.CountU; i++)
{
var row = new List <ControlPoint>();
for (var j = 0; j < controlPoints.CountV; j++)
{
var pt = controlPoints.GetControlPoint(i, j);
var pos = pt.Location;
row.Add(new ControlPoint(pos.X, pos.Y, pos.Z, pt.Weight, units ?? ModelUnits));
}
points.Add(row);
}
return(points);
}
private Face ByNurbsSurface(Rhino.Geometry.NurbsSurface ghNurbsSurface)
{
int uDegree = ghNurbsSurface.Degree(0);
int vDegree = ghNurbsSurface.Degree(1);
bool isUClosed = ghNurbsSurface.IsClosed(0);
bool isVClosed = ghNurbsSurface.IsClosed(1);
bool isUPeriodic = ghNurbsSurface.IsPeriodic(0);
bool isVPeriodic = ghNurbsSurface.IsPeriodic(1);
bool isRational = ghNurbsSurface.IsRational;
NurbsSurfaceKnotList ghUKnots = ghNurbsSurface.KnotsU;
List <double> uKnots = ghUKnots.ToList();
NurbsSurfaceKnotList ghVKnots = ghNurbsSurface.KnotsV;
List <double> vKnots = ghVKnots.ToList();
// OCCT-compatible
uKnots.Insert(0, uKnots[0]);
uKnots.Add(uKnots.Last());
vKnots.Insert(0, vKnots[0]);
vKnots.Add(vKnots.Last());
NurbsSurfacePointList ghControlPoints = ghNurbsSurface.Points;
List <List <Topologic.Vertex> > controlPoints = new List <List <Topologic.Vertex> >();
List <List <double> > weights = new List <List <double> >();
for (int i = 0; i < ghControlPoints.CountU; ++i)
{
List <Topologic.Vertex> controlPoints1D = new List <Topologic.Vertex>();
List <double> weights1D = new List <double>();
for (int j = 0; j < ghControlPoints.CountV; ++j)
{
ControlPoint ghControlPoint = ghControlPoints.GetControlPoint(i, j);
controlPoints1D.Add(ByPoint(ghControlPoint.Location));
weights1D.Add(ghControlPoint.Weight);
}
controlPoints.Add(controlPoints1D);
weights.Add(weights1D);
}
return(Topologic.Face.ByNurbsParameters(controlPoints, weights, uKnots, vKnots, isRational, isUPeriodic, isVPeriodic, uDegree, vDegree));
}
