// Legacy Builder Patch
public static void ExtrusionInfo(Brep extrusion, out Brep ftPlanar, out Brep capPlanar, out double height)
{
Point3d centroid = ComputeCentroid(extrusion);
BrepFace ftFace = null;
BrepFace capFace = null;
Point3d ftCentroid = centroid;
Point3d capCentroid = centroid;
// Analyze each face. Not the optimal solution for what we need here.
foreach (BrepFace bf in extrusion.Faces)
{
double u, v;
bf.ClosestPoint(centroid, out u, out v);
Point3d cloestPoint = bf.PointAt(u, v);
if (cloestPoint.Z <= ftCentroid.Z)
{
ftCentroid = cloestPoint;
ftFace = bf;
}
if (cloestPoint.Z >= capCentroid.Z)
{
capCentroid = cloestPoint;
capFace = bf;
}
}
ftPlanar = ftFace.DuplicateFace(true);
capPlanar = capFace.DuplicateFace(true);
height = Math.Abs(capCentroid.Z - ftCentroid.Z);
}
public static bool _Trim(this Surface srf, Curve[] crvs3d, out Brep newBrep, out string fixFailReason)
{
newBrep = null;
fixFailReason = "";
var joins = Curve.JoinCurves(crvs3d, 0.1, true);
if (joins.Length != 1)
{
fixFailReason = "Failed to join {0} edges into loop"._Format(crvs3d.Length);
return(false);
}
var srfBrep = srf.ToBrep();
if (srfBrep.Faces.Count != 1)
{
fixFailReason = "Failed to convert surface to brep";
return(false);
}
var b = srf._Split_ThreadSafe(crvs3d, 0.1);
if (b == null || b.Faces.Count == 0)
{
fixFailReason = "Failed to split surface using 3D curves";
return(false);
}
BrepFace bestFace = b.Faces[0];
double bestMinDist = Double.MaxValue;
if (b.Faces.Count > 1)
{
var centroid = srf._GetCentroid(crvs3d, false);
foreach (var f in b.Faces_ThreadSafe())
{
if (f.Loops.Count == 1 && f.OuterLoop != null)
{
var centroidNew = f.OuterLoop._GetCentroid(false);
var dist = centroid._DistanceTo(centroidNew);
if (dist < bestMinDist)
{
bestMinDist = dist;
bestFace = f;
}
}
}
}
if (bestFace == null)
{
fixFailReason = "Failed to extract splited face after splitting 3D curves";
return(false);
}
newBrep = bestFace.DuplicateFace(true);
return(true);
}
//Computing Floor Edges
private List <Curve> ComputeFloorEdges(BrepFace face)
{
List <Curve> OuterEdges = new List <Curve>();
int counter = 0;
OuterEdges.AddRange(face.DuplicateFace(true).DuplicateEdgeCurves());
counter = OuterEdges.Count;
Console.Write("Edge Count = " + counter.ToString());
return(OuterEdges);
}
// split face using 3d curves or return null if fail
public static Brep _Split_ThreadSafe(this BrepFace face, Curve[] curves, double tol)
{
using (var faceDUPLICATED = face.DuplicateFace(false)) // must be here to avoid System.AccessViolationException
{
if (faceDUPLICATED.Faces.Count == 0)
{
return(null);
}
var splitedBreps = faceDUPLICATED.Faces[0].Split(curves, tol);
return(splitedBreps);
}
}
public Guid AddFace(BrepFace face, Color color = default(Color)) // , int displayOrder = 0
{
if (!IS_ENABLED)
{
return(Guid.Empty);
}
//color = DefColor(color);
if (color == default(Color))
{
color = Color.Coral;
}
var newBrep = face.DuplicateFace(true);
var attr = new ObjectAttributes
{
LayerIndex = LayerIndex,
//Mode = ObjectMode.Locked, - this option will force color to be Gray
//DisplayOrder = displayOrder, doesnt work - why? no clue!
ObjectColor = color,
ColorSource = ObjectColorSource.ColorFromObject
};
// Ovveride display mode to color surface http://developer.rhino3d.com/samples/rhinocommon/objectdisplaymode/
DisplayModesManager.ObjectAttributes_SetDisplayModeOverride(attr, DisplayModeType.TopologyColoredSurfaces);
Guid id = Doc.Objects.AddBrep(newBrep, attr, null, true);
// create mesh if it not created yet
var facemesh = face.GetMesh(MeshType.Any);
if (facemesh == null || facemesh.Faces.Count == 0)
{
CreateMesh(id);
}
return(id);
}