private Face ByBrepFace(BrepFace ghBrepFace)
{
Rhino.Geometry.Surface ghSurface = ghBrepFace.UnderlyingSurface();
Face untrimmedFace = BySurface(ghSurface);
BrepLoop ghOuterLoop = ghBrepFace.OuterLoop;
Wire outerWire = null;
BrepLoopList ghLoops = ghBrepFace.Loops;
List <Wire> innerWires = new List <Wire>();
foreach (BrepLoop ghLoop in ghLoops)
{
BrepTrimList ghTrims = ghLoop.Trims;
List <Edge> trimmingEdges = new List <Edge>();
foreach (BrepTrim ghTrim in ghTrims)
{
BrepEdge ghEdge = ghTrim.Edge;
if (ghEdge == null)
{
continue;
//throw new Exception("An invalid Rhino edge is encountered.");
}
Topology topology = ByCurve(ghEdge.DuplicateCurve());
// Edge or Wire?
Edge trimmingEdge = topology as Edge;
if (trimmingEdge != null)
{
trimmingEdges.Add(trimmingEdge);
}
Wire partialTrimmingWire = topology as Wire;
if (partialTrimmingWire != null)
{
List <Edge> partialTrimmingEdges = partialTrimmingWire.Edges;
trimmingEdges.AddRange(partialTrimmingEdges);
}
}
Wire trimmingWire = Wire.ByEdges(trimmingEdges);
List <Vertex> trimmingVertices = trimmingWire.Vertices;
if (ghLoop == ghOuterLoop)
{
outerWire = trimmingWire;
}
else
{
innerWires.Add(trimmingWire);
}
}
Face outerTrimmedFace = Topologic.Utilities.FaceUtility.TrimByWire(untrimmedFace, outerWire, true);
Face finalFace = outerTrimmedFace.AddInternalBoundaries(innerWires);
return(finalFace);
}
public static global::Topologic.Face ToTopologic(this BrepFace brepFace)
{
global::Rhino.Geometry.Surface ghSurface = brepFace?.UnderlyingSurface();
if (ghSurface == null)
{
return(null);
}
global::Topologic.Face untrimmedFace = ghSurface.ToTopologic();
BrepLoop ghOuterLoop = brepFace.OuterLoop;
Wire outerWire = null;
BrepLoopList ghLoops = brepFace.Loops;
List <Wire> innerWires = new List <Wire>();
foreach (BrepLoop ghLoop in ghLoops)
{
BrepTrimList ghTrims = ghLoop.Trims;
List <Edge> trimmingEdges = new List <Edge>();
foreach (BrepTrim ghTrim in ghTrims)
{
BrepEdge ghEdge = ghTrim.Edge;
if (ghEdge == null)
{
continue;
//throw new Exception("An invalid Rhino edge is encountered.");
}
Topology topology = ghEdge.DuplicateCurve().ToTopologic();
if (topology == null)
{
continue;
}
// Edge or Wire?
Edge trimmingEdge = topology as Edge;
if (trimmingEdge != null)
{
trimmingEdges.Add(trimmingEdge);
}
Wire partialTrimmingWire = topology as Wire;
if (partialTrimmingWire != null)
{
IList <Edge> partialTrimmingEdges = partialTrimmingWire.Edges;
trimmingEdges.AddRange(partialTrimmingEdges);
}
}
Wire trimmingWire = Wire.ByEdges(trimmingEdges);
if (ghLoop == ghOuterLoop)
{
outerWire = trimmingWire;
}
else
{
innerWires.Add(trimmingWire);
}
}
global::Topologic.Face outerTrimmedFace = global::Topologic.Utilities.FaceUtility.TrimByWire(untrimmedFace, outerWire, true);
global::Topologic.Face finalFace = outerTrimmedFace.AddInternalBoundaries(innerWires);
return(finalFace);
}
