public static ComponentProblem Add(ref ComponentProblems problems, BrepEdge edge, BrepTrim trim, string problem, ComponentProblemTypes type, object data = null)
{
var componentReal = new ComponentIndex(ComponentIndexType.BrepEdge, edge.EdgeIndex);
var componentGUI = new ComponentIndex(ComponentIndexType.BrepEdge, trim.TrimIndex);
return(Add(ref problems, componentReal, componentGUI, problem, type, data));
}
public static IEnumerable <DB.BRepBuilderEdgeGeometry> ToHost(BrepEdge edge)
{
var edgeCurve = edge.EdgeCurve.Trim(edge.Domain);
if (edge.ProxyCurveIsReversed)
{
edgeCurve.Reverse();
}
switch (edgeCurve)
{
case LineCurve line:
yield return(DB.BRepBuilderEdgeGeometry.Create(ToHost(line)));
yield break;
case ArcCurve arc:
yield return(DB.BRepBuilderEdgeGeometry.Create(ToHost(arc)));
yield break;
case NurbsCurve nurbs:
yield return(DB.BRepBuilderEdgeGeometry.Create(ToHost(nurbs)));
yield break;
default:
Debug.Fail($"{edgeCurve} is not supported as a Solid Edge");
yield break;
}
}
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 BrepVertex _GetEndVertex(this BrepEdge edge)
{
return(edge.EndVertex);
var trim = edge._FindTrim();
var point = trim.Face.PointAt(trim.PointAtEnd.X, trim.PointAtEnd.Y);
return(trim.Brep.Vertices[point._GetVertexIndex(trim.Brep.Vertices, 1, true)]);
}
public static Edge ToTopologic(this BrepEdge brepEdge)
{
if (brepEdge == null)
{
return(null);
}
global::Rhino.Geometry.NurbsCurve nurbsCurve = brepEdge.ToNurbsCurve();
return(ToTopologic(nurbsCurve));
}
// check the location of edges, maxdistance to rd == 0 -> on that class road
public static bool offsetValue(List <Line> a, BrepEdge edge)
{
foreach (Line rd in a)
{
if (rd.DistanceTo(edge.PointAtStart, true) < inter_tol && rd.DistanceTo(edge.PointAtEnd, true) < inter_tol)
{
// on this road
return(true);
}
}
// none
return(false);
}
private Topologic.Topology ByCurve(Curve ghCurve)
{
LineCurve ghLine = ghCurve as LineCurve;
if (ghLine != null)
{
return(ByLine(ghLine.Line));
}
Rhino.Geometry.NurbsCurve ghNurbsCurve = ghCurve as Rhino.Geometry.NurbsCurve;
if (ghNurbsCurve != null)
{
return(ByNurbsCurve(ghNurbsCurve));
}
ArcCurve ghArcCurve = ghCurve as ArcCurve;
if (ghArcCurve != null)
{
return(ByArcCurve(ghArcCurve));
}
BrepEdge ghBrepEdge = ghCurve as BrepEdge;
if (ghBrepEdge != null)
{
return(ByBrepEdge(ghBrepEdge));
}
//BrepTrim ghBrepTrim = ghCurve as BrepTrim;
//if (ghBrepTrim != null)
//{
// return ByBrepTrim(ghBrepTrim);
//}
PolylineCurve ghPolylineCurve = ghCurve as PolylineCurve;
if (ghPolylineCurve != null)
{
return(ByPolylineCurve(ghPolylineCurve));
}
PolyCurve ghPolyCurve = ghCurve as PolyCurve;
if (ghPolyCurve != null)
{
return(ByPolyCurve(ghPolyCurve));
}
throw new Exception("This type of curve is not yet supported.");
}
public static Topology ToTopologic(this Curve curve)
{
if (curve == null)
{
return(null);
}
LineCurve lineCurve = curve as LineCurve;
if (lineCurve != null)
{
return(lineCurve.Line.ToTopologic());
}
Rhino.Geometry.NurbsCurve nurbsCurve = curve as Rhino.Geometry.NurbsCurve;
if (nurbsCurve != null)
{
return(nurbsCurve.ToTopologic());
}
ArcCurve arcCurve = curve as ArcCurve;
if (arcCurve != null)
{
return(arcCurve.ToTopologic());
}
BrepEdge brepEdge = curve as BrepEdge;
if (brepEdge != null)
{
return(brepEdge.ToTopologic());
}
PolylineCurve ghPolylineCurve = curve as PolylineCurve;
if (ghPolylineCurve != null)
{
return(ghPolylineCurve.ToTopologic());
}
PolyCurve ghPolyCurve = curve as PolyCurve;
if (ghPolyCurve != null)
{
return(ghPolyCurve.ToTopologic());
}
return(null);
}
/// <summary>
/// Create frames that are aligned with a Brep. The input curve does not
/// necessarily have to lie on the Brep.
/// </summary>
/// <param name="curve">Input centreline of the glulam.</param>
/// <param name="brep">Brep to align the glulam orientation to.</param>
/// <param name="num_samples">Number of orientation frames to use for alignment.</param>
/// <returns>New Glulam oriented to the brep.</returns>
public static Plane[] FramesNormalToSurface(Curve curve, Brep brep, int num_samples = 20)
{
num_samples = Math.Max(num_samples, 2);
double[] t = curve.DivideByCount(num_samples - 1, true);
Plane[] planes = new Plane[num_samples];
Vector3d xaxis, yaxis, zaxis;
Point3d pt;
ComponentIndex ci;
for (int i = 0; i < t.Length; ++i)
{
brep.ClosestPoint(curve.PointAt(t[i]), out pt, out ci, out double u, out double v, 0, out yaxis);
// From: https://discourse.mcneel.com/t/brep-closestpoint-normal-is-not-normal/15147/8
// If the closest point is found on an edge, average the face normals
if (ci.ComponentIndexType == ComponentIndexType.BrepEdge)
{
BrepEdge edge = brep.Edges[ci.Index];
int[] faces = edge.AdjacentFaces();
yaxis = Vector3d.Zero;
for (int j = 0; j < faces.Length; ++j)
{
BrepFace bf = edge.Brep.Faces[j];
if (bf.ClosestPoint(pt, out u, out v))
{
Vector3d faceNormal = bf.NormalAt(u, v);
yaxis += faceNormal;
}
}
yaxis.Unitize();
}
zaxis = curve.TangentAt(t[i]);
xaxis = Vector3d.CrossProduct(zaxis, yaxis);
planes[i] = new Plane(pt, xaxis, yaxis);
}
return(planes);
}
private Topologic.Edge ByBrepEdge(BrepEdge ghBrepEdge)
{
Rhino.Geometry.NurbsCurve ghNurbsCurve = ghBrepEdge.ToNurbsCurve();
return(ByNurbsCurve(ghNurbsCurve));
}
//internal static Brep ToRawBrep(/*const*/ Brep brep, double scaleFactor)
//{
// brep = brep.DuplicateShallow() as Brep;
// return EncodeRaw(ref brep, scaleFactor) ? brep : default;
//}
//internal static bool EncodeRaw(ref Brep brep, double scaleFactor)
//{
// if (scaleFactor != 1.0 && !brep.Scale(scaleFactor))
// return default;
// var bbox = brep.GetBoundingBox(false);
// if (!bbox.IsValid || bbox.Diagonal.Length < Revit.ShortCurveTolerance)
// return default;
// return SplitFaces(ref brep);
//}
//static bool SplitFaces(ref Brep brep)
//{
// Brep brepToSplit = null;
// while (!ReferenceEquals(brepToSplit, brep))
// {
// brepToSplit = brep;
// foreach (var face in brepToSplit.Faces)
// {
// var splitters = new List<Curve>();
// var trimsBBox = BoundingBox.Empty;
// foreach (var trim in face.OuterLoop.Trims)
// trimsBBox.Union(trim.GetBoundingBox(true));
// var domainUV = new Interval[]
// {
// new Interval(trimsBBox.Min.X, trimsBBox.Max.X),
// new Interval(trimsBBox.Min.Y, trimsBBox.Max.Y),
// };
// // Compute splitters
// var splittedUV = new bool[2] { false, false };
// for (int d = 0; d < 2; d++)
// {
// var domain = domainUV[d];
// var t = domain.Min;
// while (face.GetNextDiscontinuity(d, Continuity.Gsmooth_continuous, t, domain.Max, out t))
// {
// splitters.AddRange(face.TrimAwareIsoCurve(1 - d, t));
// splittedUV[d] = true;
// }
// }
// var closedUV = new bool[2] { face.IsClosed(0), face.IsClosed(1) };
// if (!splittedUV[0] && closedUV[0])
// {
// splitters.AddRange(face.TrimAwareIsoCurve(1, face.Domain(0).Mid));
// splittedUV[0] = true;
// }
// if (!splittedUV[1] && closedUV[1])
// {
// splitters.AddRange(face.TrimAwareIsoCurve(0, face.Domain(1).Mid));
// splittedUV[1] = true;
// }
// if (splitters.Count > 0)
// {
// var surfaceIndex = face.SurfaceIndex;
// var splitted = face.Split(splitters, Revit.ShortCurveTolerance);
// if (splitted is null)
// {
// Debug.Fail("BrepFace.Split", "Failed to split a closed face.");
// return false;
// }
// if (brepToSplit.Faces.Count == splitted.Faces.Count)
// {
// // Split was ok but for tolerance reasons no new faces were created.
// // Too near from the limits.
// }
// else
// {
// foreach (var f in splitted.Faces)
// {
// if (f.SurfaceIndex != surfaceIndex)
// continue;
// if (splittedUV[0] && splittedUV[1])
// f.ShrinkFace(BrepFace.ShrinkDisableSide.ShrinkAllSides);
// else if (splittedUV[0])
// f.ShrinkFace(BrepFace.ShrinkDisableSide.DoNotShrinkSouthSide | BrepFace.ShrinkDisableSide.DoNotShrinkNorthSide);
// else if (splittedUV[1])
// f.ShrinkFace(BrepFace.ShrinkDisableSide.DoNotShrinkEastSide | BrepFace.ShrinkDisableSide.DoNotShrinkWestSide);
// }
// // Start again until no face is splitted
// brep = splitted;
// break;
// }
// }
// }
// }
// return brep is object;
//}
#endregion
#region Transfer
/// <summary>
/// Replaces <see cref="Raw.RawEncoder.ToHost(Brep)"/> to catch Revit Exceptions
/// </summary>
/// <param name="brep"></param>
/// <returns></returns>
public static NXOpen.Body ToSolid(/*const*/ Brep brep)
{
try
{
BodyStyle brepType;
switch (brep.SolidOrientation)
{
case BrepSolidOrientation.Inward: brepType = BodyStyle.Sheet; break;
case BrepSolidOrientation.Outward: brepType = BodyStyle.Solid; break;
}
List <NXOpen.Body> faceBodies = new List <NXOpen.Body>();
foreach (var face in brep.Faces)
{
using (var nurbSurface = face.ToNurbsSurface())
{
List <(List <NXOpen.Curve> edgeCurves, List <int> directions)> boundaryEdgeCurves = new List <(List <NXOpen.Curve>, List <int>)>();
for (int i = 0; i < face.Loops.Count; i++)
{
List <NXOpen.Curve> currentEdgeCurves = new List <NXOpen.Curve>();
List <int> currentDirections = new List <int>();
var trims = face.Loops[i].Trims;
for (int j = 0; j < trims.Count; j++)
{
if (trims[j].TrimType != BrepTrimType.Boundary && trims[j].TrimType != BrepTrimType.Mated)
{
continue;
}
BrepEdge edge = trims[j].Edge;
if (edge is null)
{
continue;
}
var currentEdgeCurve = edge.Trim(edge.Domain).ToCurve();
currentEdgeCurves.Add(currentEdgeCurve);
currentDirections.Add(edge.ProxyCurveIsReversed ? -1 : 1);
}
boundaryEdgeCurves.Add((currentEdgeCurves, currentDirections));
}
if (nurbSurface.IsPlanar())
{
// 使用有界平面创建
var boundaryCurves = boundaryEdgeCurves.SelectMany(obj => obj.edgeCurves).ToArray();
var boundedPlaneBody = _theSession.Parts.Work.Features.CreateBoundedPlane(boundaryCurves).GetBodies()[0];
boundedPlaneBody.RemoveParameter();
faceBodies.Add(boundedPlaneBody);
//boundaryCurves.Delete();
//NXOpen.UF.StringList bplaneBoundaries = new NXOpen.UF.StringList()
//{
// num = boundaryEdgeCurves.Count,
// id = boundaryEdgeCurves.SelectMany(obj => obj.edgeCurveTags).ToArray(),
// dir = boundaryEdgeCurves.SelectMany(obj => obj.directions).ToArray(),
// _string = boundaryEdgeCurves.Select(obj => obj.edgeCurveTags.Count).ToArray()
//};
//double[] tolerrances = new double[bplaneBoundaries.dir.Length];
//for (int i = 0; i < tolerrances.Length; i++)
// tolerrances[i] = DistanceTolerance;
//theUfSession.Modl.CreateBplane(ref bplaneBoundaries, tolerrances, out NXOpen.Tag body);
//bplaneBoundaries.id.Select(obj => obj.GetTaggedObject() as NXOpen.NXObject).ToArray().Delete();
}
else
{
var faceBody = RawEncoder.ToHost(nurbSurface);
#region 找到一个位于面上的点
Point3d point3dOnFace = new Point3d();
bool findInteriorPoint = false;
if (face.IsPointOnFace(face.Domain(0).Mid, face.Domain(1).Mid) == PointFaceRelation.Interior)
{
face.Evaluate(face.Domain(0).Mid, face.Domain(1).Mid, 0, out point3dOnFace, out _);
findInteriorPoint = true;
}
else
{
var firstEdge = face.Loops.ElementAt(0).Trims.ElementAt(0).Edge;
Point3d ptOnFirstEdge = firstEdge.PointAt(firstEdge.Domain.Mid);
face.ClosestPoint(ptOnFirstEdge, out double u, out double v);
double offsetValue = 0.02;
u += offsetValue;
v += offsetValue;
if (face.IsPointOnFace(u, v) == PointFaceRelation.Interior)
{
face.Evaluate(u, v, 0, out point3dOnFace, out _);
findInteriorPoint = true;
}
else
{
u -= 2 * offsetValue;
v -= 2 * offsetValue;
if (face.IsPointOnFace(u, v) == PointFaceRelation.Interior)
{
face.Evaluate(u, v, 0, out point3dOnFace, out _);
findInteriorPoint = true;
}
}
}
if (!findInteriorPoint)
{
findInteriorPoint.ToString().ListingWindowWriteLine();
var copiedFaceBody = faceBody.CopyAndPaste()[0] as NXOpen.Body;
copiedFaceBody.SetColor(216);
}
#endregion
for (int i = 0; i < boundaryEdgeCurves.Count; i++)
{
NXOpen.UF.UFModl.TrimObject[] trimBoundaryObjects = new NXOpen.UF.UFModl.TrimObject[boundaryEdgeCurves[i].edgeCurves.Count];
for (int j = 0; j < trimBoundaryObjects.Length; j++)
{
trimBoundaryObjects[j] = new NXOpen.UF.UFModl.TrimObject {
object_tag = boundaryEdgeCurves[i].edgeCurves[j].Tag, curve_project_method = boundaryEdgeCurves[i].directions[j]
};
}
_theUfSession.Modl.TrimSheet(faceBody.Tag, trimBoundaryObjects.Length, trimBoundaryObjects, null, 1, 1, point3dOnFace.ToXYZ().ToArray(), 0.01, out int numGapPoints, out double[] gapPoints);
}
faceBodies.Add(faceBody);
}
#if !DEBUG
boundaryEdgeCurves.SelectMany(obj => obj.edgeCurves).ToArray().Delete();
#endif
}
}
NXOpen.Body resultBody = null;
if (faceBodies.Count > 1)
{
var sewFeature = WorkPart.Features.CreateSew(faceBodies.ToArray());
resultBody = sewFeature.GetBodies()[0];
#if !DEBUG
resultBody.RemoveParameter();
#endif
}
else
{
resultBody = faceBodies[0];
}
var brepArea = brep.GetArea();
var bodyArea = resultBody.GetArea();
resultBody.SetUserAttribute("Area", -1, bodyArea, NXOpen.Update.Option.Now);
var error = Math.Abs(brepArea - bodyArea) / brepArea;
resultBody.SetUserAttribute("Error", -1, error, NXOpen.Update.Option.Now);
if (error > 0.001)
{
resultBody.SetColor(186);
}
}
catch (NXOpen.NXException e)
{
Logger.Error(e.ToString());
}
return(null);
}
static void MakeTwistedCubeTrimmingLoop(ref Brep brep, ref BrepFace face, // Indices of corner vertices listed in SW, SE, NW, NE order
int eSi, // index of edge on south side of surface
int eS_dir, // orientation of edge with respect to surface trim
int eEi, // index of edge on south side of surface
int eE_dir, // orientation of edge with respect to surface trim
int eNi, // index of edge on south side of surface
int eN_dir, // orientation of edge with respect to surface trim
int eWi, // index of edge on south side of surface
int eW_dir // orientation of edge with respect to surface trim
)
{
Surface srf = brep.Surfaces[face.SurfaceIndex];
var loop = brep.Loops.Add(BrepLoopType.Outer, face);
// Create trimming curves running counter clockwise around the surface's domain.
// Start at the south side
// side: 0=south, 1=east, 2=north, 3=west
for (int side = 0; side < 4; side++)
{
Curve trimming_curve = TwistedCubeTrimmingCurve(srf, side);
int curve_index = brep.Curves2D.Add(trimming_curve);
int ei = 0;
bool reverse = false;
IsoStatus iso = IsoStatus.None;
switch (side)
{
case 0: // south
ei = eSi;
reverse = (eS_dir == -1);
iso = IsoStatus.South;
break;
case 1: // east
ei = eEi;
reverse = (eE_dir == -1);
iso = IsoStatus.East;
break;
case 2: // north
ei = eNi;
reverse = (eN_dir == -1);
iso = IsoStatus.North;
break;
case 3: // west
ei = eWi;
reverse = (eW_dir == -1);
iso = IsoStatus.West;
break;
}
BrepEdge edge = brep.Edges[ei];
BrepTrim trim = brep.Trims.Add(edge, reverse, loop, curve_index);
trim.IsoStatus = iso;
trim.TrimType = BrepTrimType.Mated; // This b-rep is closed, so all trims have mates.
trim.SetTolerances(0, 0); // This simple example is exact - for models with
// non-exact data, set tolerance as explained in
// definition of BrepTrim.
}
}
public Brep BrepToSpeckle(Solid solid)
{
#if REVIT2021
// TODO: Incomplete implementation!!
var brep = new Brep();
brep.units = ModelUnits;
if (solid is null || solid.Faces.IsEmpty)
{
return(null);
}
var faceIndex = 0;
var edgeIndex = 0;
var curve2dIndex = 0;
var curve3dIndex = 0;
var loopIndex = 0;
var trimIndex = 0;
var surfaceIndex = 0;
var speckleFaces = new Dictionary <Face, BrepFace>();
var speckleEdges = new Dictionary <Edge, BrepEdge>();
var speckleEdgeIndexes = new Dictionary <Edge, int>();
var speckle3dCurves = new ICurve[solid.Edges.Size];
var speckle2dCurves = new List <ICurve>();
var speckleLoops = new List <BrepLoop>();
var speckleTrims = new List <BrepTrim>();
foreach (var face in solid.Faces.Cast <Face>())
{
var surface = FaceToSpeckle(face, out bool orientation, 0.0);
var iterator = face.EdgeLoops.ForwardIterator();
var loopIndices = new List <int>();
while (iterator.MoveNext())
{
var loop = iterator.Current as EdgeArray;
var loopTrimIndices = new List <int>();
// Loop through the edges in the loop.
var loopIterator = loop.ForwardIterator();
while (loopIterator.MoveNext())
{
// Each edge should create a 2d curve, a 3d curve, a BrepTrim and a BrepEdge.
var edge = loopIterator.Current as Edge;
var faceA = edge.GetFace(0);
// Determine what face side are we currently on.
var edgeSide = face == faceA ? 0 : 1;
// Get curve, create trim and save index
var trim = edge.GetCurveUV(edgeSide);
var sTrim = new BrepTrim(brep, edgeIndex, faceIndex, loopIndex, curve2dIndex, 0, BrepTrimType.Boundary, edge.IsFlippedOnFace(edgeSide), -1, -1);
var sTrimIndex = trimIndex;
loopTrimIndices.Add(sTrimIndex);
// Add curve and trim, increase index counters.
speckle2dCurves.Add(CurveToSpeckle(trim.As3DCurveInXYPlane()));
speckleTrims.Add(sTrim);
curve2dIndex++;
trimIndex++;
// Check if we have visited this edge before.
if (!speckleEdges.ContainsKey(edge))
{
// First time we visit this edge, add 3d curve and create new BrepEdge.
var edgeCurve = edge.AsCurve();
speckle3dCurves[curve3dIndex] = CurveToSpeckle(edgeCurve);
var sCurveIndex = curve3dIndex;
curve3dIndex++;
// Create a trim with just one of the trimIndices set, the second one will be set on the opposite condition.
var sEdge = new BrepEdge(brep, sCurveIndex, new[] { sTrimIndex }, -1, -1, edge.IsFlippedOnFace(face), null);
speckleEdges.Add(edge, sEdge);
speckleEdgeIndexes.Add(edge, edgeIndex);
edgeIndex++;
}
else
{
// Already visited this edge, skip curve 3d
var sEdge = speckleEdges[edge];
var sEdgeIndex = speckleEdgeIndexes[edge];
sTrim.EdgeIndex = sEdgeIndex;
// Update trim indices with new item.
// TODO: Make this better.
var trimIndices = sEdge.TrimIndices.ToList();
trimIndices.Append(sTrimIndex);
sEdge.TrimIndices = trimIndices.ToArray();
}
}
var speckleLoop = new BrepLoop(brep, faceIndex, loopTrimIndices, BrepLoopType.Outer);
speckleLoops.Add(speckleLoop);
var sLoopIndex = loopIndex;
loopIndex++;
loopIndices.Add(sLoopIndex);
}
speckleFaces.Add(face,
new BrepFace(brep, surfaceIndex, loopIndices, loopIndices[0], !face.OrientationMatchesSurfaceOrientation));
faceIndex++;
brep.Surfaces.Add(surface);
surfaceIndex++;
}
var mesh = new Mesh();
(mesh.faces, mesh.vertices) = GetFaceVertexArrFromSolids(new List <Solid> {
solid
});
mesh.units = ModelUnits;
// TODO: Revit has no brep vertices. Must call 'brep.SetVertices()' in rhino when provenance is revit.
// TODO: Set tolerances and flags in rhino when provenance is revit.
brep.Faces = speckleFaces.Values.ToList();
brep.Curve2D = speckle2dCurves;
brep.Curve3D = speckle3dCurves.ToList();
brep.Trims = speckleTrims;
brep.Edges = speckleEdges.Values.ToList();
brep.Loops = speckleLoops;
brep.displayValue = mesh;
return(brep);
#else
throw new Exception("Converting BREPs to Speckle is currently only supported in Revit 2021.");
#endif
}
public List <BRepBuilderEdgeGeometry> BrepEdgeToNative(BrepEdge edge)
{
// TODO: Trim curve with domain. Unsure if this is necessary as all our curves are converted to NURBS on Rhino output.
var nativeCurveArray = CurveToNative(edge.Curve);
bool isTrimmed = edge.Curve.domain != null && edge.Domain != null &&
(edge.Curve.domain.start != edge.Domain.start ||
edge.Curve.domain.end != edge.Domain.end);
if (nativeCurveArray.Size == 1)
{
var nativeCurve = nativeCurveArray.get_Item(0);
if (edge.ProxyCurveIsReversed)
{
nativeCurve = nativeCurve.CreateReversed();
}
if (nativeCurve == null)
{
return(new List <BRepBuilderEdgeGeometry>());
}
if (isTrimmed)
{
nativeCurve.MakeBound(edge.Domain.start ?? 0, edge.Domain.end ?? 1);
}
if (!nativeCurve.IsBound)
{
nativeCurve.MakeBound(0, nativeCurve.Period);
}
var endPoint = nativeCurve.GetEndPoint(0);
var source = nativeCurve.GetEndPoint(1);
var distanceTo = endPoint.DistanceTo(source);
var closed = distanceTo < 1E-6;
if (closed)
{
// Revit does not like single curve loop edges, so we split them in two.
var start = nativeCurve.GetEndParameter(0);
var end = nativeCurve.GetEndParameter(1);
var mid = (end - start) / 2;
var a = nativeCurve.Clone();
a.MakeBound(start, mid);
var b = nativeCurve.Clone();
b.MakeBound(mid, end);
var halfEdgeA = BRepBuilderEdgeGeometry.Create(a);
var halfEdgeB = BRepBuilderEdgeGeometry.Create(b);
return(new List <BRepBuilderEdgeGeometry> {
halfEdgeA, halfEdgeB
});
}
// TODO: Remove short segments if smaller than 'Revit.ShortCurveTolerance'.
var fullEdge = BRepBuilderEdgeGeometry.Create(nativeCurve);
return(new List <BRepBuilderEdgeGeometry> {
fullEdge
});
}
var iterator = edge.ProxyCurveIsReversed
? nativeCurveArray.ReverseIterator()
: nativeCurveArray.ForwardIterator();
var result = new List <BRepBuilderEdgeGeometry>();
while (iterator.MoveNext())
{
var crv = iterator.Current as DB.Curve;
if (edge.ProxyCurveIsReversed)
{
crv = crv.CreateReversed();
}
result.Add(BRepBuilderEdgeGeometry.Create(crv));
}
return(result);
}
public static BrepTrim _FindTrim(this BrepEdge edge)
{
return(edge.Brep.Trims.First(o => o.Edge == edge));
}
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);
}