/***************************************************/
public static bool IsEqual(this BHG.PolyCurve bhCurve, RHG.PolyCurve rhCurve, double tolerance = BHG.Tolerance.Distance)
{
if (bhCurve == null & rhCurve == null)
{
return(true);
}
bool equal = true;
List <BHG.ICurve> bhCurves = bhCurve.Curves;
rhCurve.RemoveNesting();
RHG.Curve[] rhCurves = rhCurve.Explode();
if (bhCurves.Count != rhCurves.Length)
{
return(false);
}
for (int i = 0; i < bhCurves.Count; i++)
{
equal &= bhCurves[i].IIsEqual(rhCurves[i], tolerance);
}
return(equal);
}
/***************************************************/
public static Opening Opening(BHG.PolyCurve pCurve)
{
return(new Opening
{
OpeningCurve = pCurve
});
}
/***************************************************/
private static BHG.PlanarSurface ToBHoMPlanarSurface(this RHG.BrepFace face)
{
RHG.Surface rhSurf = face.UnderlyingSurface();
if (rhSurf == null)
{
return(null);
}
BHG.PlanarSurface bhs = rhSurf.FromRhino() as BHG.PlanarSurface;
List <BHG.ICurve> internalBoundaries = new List <BHG.ICurve>();
BHG.ICurve externalBoundary = bhs.ExternalBoundary;
foreach (RHG.BrepLoop loop in face.Loops)
{
if (loop.LoopType == RHG.BrepLoopType.Inner)
{
internalBoundaries.Add(new BHG.PolyCurve {
Curves = loop.Trims.Select(x => rhSurf.Pushup(x, BHG.Tolerance.Distance).FromRhino()).ToList()
});
}
else if (loop.LoopType == RHG.BrepLoopType.Outer)
{
externalBoundary = new BHG.PolyCurve {
Curves = loop.Trims.Select(x => rhSurf.Pushup(x, BHG.Tolerance.Distance).FromRhino()).ToList()
}
}
;
}
return(BH.Engine.Geometry.Create.PlanarSurface(externalBoundary, internalBoundaries));
}
/***************************************************/
public static BHG.SurfaceTrim FromRhino(this RHG.BrepLoop loop)
{
BHG.PolyCurve curve2d = new BHG.PolyCurve();
BHG.PolyCurve curve3d = new BHG.PolyCurve();
foreach (RHG.BrepTrim trim in loop.Trims)
{
curve2d.Curves.Add(trim.ToBHoMTrimCurve());
RHG.Curve trim3d = loop.Face.Pushup(trim, BHG.Tolerance.Distance);
curve3d.Curves.Add(trim3d.ToBHoMTrimCurve());
}
return(new BHG.SurfaceTrim(curve3d, curve2d));
}
//public static Point ClosestPoint(this Curve curve, Point point)
//{
// switch (curve.GeometryType)
// {
// case GeometryType.Arc:
// case GeometryType.Circle:
// break;
// case GeometryType.Line:
// XLine.ClosestPoint(curve as Line, point);
// break;
// case GeometryType.Polyline:
// XPolyline.ClosestPoint(curve as Polyline, point);
// break;
// case GeometryType.PolyCurve:
// XPolyCurve.ClosestPoint(curve as PolyCurve, point);
// break;
// }
// throw new NotImplementedException();
//}
//public static bool IsPlanar(this Curve curve)
//{
// return PlaneUtils.PointsInSamePlane(curve.ControlPointVector, curve.Dimensions + 1);
//}
//public static bool IsClosed(this Curve curve)
//{
// return ArrayUtils.Equal(curve.EndPoint, curve.StartPoint, 0.0001);
//}
//public static bool TryGetPlane(this Curve curve, out Plane plane)
//{
// plane = Create.PlaneFromPointArray(curve.ControlPointVector, curve.Dimensions + 1);
// return plane != null;
//}
//public static void Transform(Curve curve, Transform t)
//{
// curve.SetControlPoints(ArrayUtils.MultiplyMany(t, curve.ControlPointVector));
// curve.Update();
//}
//public static void Translate(Curve curve, Vector v)
//{
// curve.SetControlPoints(ArrayUtils.Add(curve.ControlPointVector, v));
//}
//public static void Mirror(Curve curve, Plane p)
//{
// curve.SetControlPoints(ArrayUtils.Add(ArrayUtils.Multiply(p.ProjectionVectors(curve.ControlPointVector), 2), curve.ControlPointVector));
// curve.Update();
//}
//public static void Project(Curve curve, Plane p)
//{
// curve.SetControlPoints(ArrayUtils.Add(p.ProjectionVectors(curve.ControlPointVector), curve.ControlPointVector));
// curve.Update();
//}
//public static Curve Flip(this Curve curve)
//{
// if (curve.GeometryType == BH.oM.Geometry.GeometryType.PolyCurve)
// {
// PolyCurve c = curve as PolyCurve;
// for (int i = 0; i < c.Curves.Count; i++)
// {
// c.Curves[i].Flip();
// }
// c.Curves.Reverse();
// }
// curve.SetControlPoints(CollectionUtils.Reverse<double>(curve.ControlPointVector, curve.Dimensions + 1));
// if (curve.IsNurbForm)
// {
// double max = curve.Knots.Max();
// curve.SetKnots(ArrayUtils.Sub(new double[] { max }, curve.Knots));
// curve.SetWeights(curve.Weights.Reverse().ToArray());
// }
// return curve;
//}
public static Curve Append(this Curve curve, Curve other)
{
curve.ChangeDegree(other.Degree);
other.ChangeDegree(curve.Degree);
List <double> knots = new List <double>();
List <double> pnts = new List <double>();
List <double> weights = new List <double>();
knots.AddRange(CollectionUtils.SubArray <double>(curve.Knots, 0, curve.Knots.Length - 1));
pnts.AddRange(curve.ControlPointVector);
weights.AddRange(curve.Weights);
for (int i = 0; i < other.Knots.Length; i++)
{
if (other.Knots[i] != 0)
{
knots.Add(other.Knots[i] + curve.Knots[curve.Knots.Length - 1]);
}
}
pnts.AddRange(CollectionUtils.SubArray <double>(other.ControlPointVector, curve.Dimensions + 1, other.ControlPointVector.Length - curve.Dimensions - 1));
weights.AddRange(CollectionUtils.SubArray <double>(other.Weights, 1, other.Weights.Length - 1));
if (curve.Degree == 1)
{
return(new Polyline(pnts.ToArray(), curve.Dimensions));
}
else
{
List <Curve> crvs = new List <Curve>();
crvs.AddRange(curve.Explode());
crvs.AddRange(other.Explode());
PolyCurve result = new PolyCurve(crvs);
result.SetControlPoints(pnts.ToArray());
result.SetDegree(curve.Order);
result.SetWeights(weights.ToArray());
result.SetKnots(knots.ToArray());
return(result);
}
}
/***************************************************/
public static RHG.PolyCurve ToRhino(this BHG.PolyCurve bPolyCurve)
{
if (bPolyCurve == null)
{
return(null);
}
IEnumerable <RHG.Curve> parts = bPolyCurve.Curves.Select(x => x.IToRhino());
// Check if bPolycurve is made of disconnected segments
if (RHG.Curve.JoinCurves(parts).Length > 1)
{
return(null);
}
RHG.PolyCurve rPolycurve = new RHG.PolyCurve();
foreach (RHG.Curve curve in parts)
{
rPolycurve.Append(curve);
}
return(rPolycurve);
}
public static global::Topologic.Topology TopologyByGeometry(BH.oM.Geometry.IGeometry geometry, double tolerance = 0.0001)
{
BH.oM.Geometry.Point bhomPoint = geometry as BH.oM.Geometry.Point;
if (bhomPoint != null)
{
return(Create.VertexByPoint(bhomPoint));
}
// Handle polyline and polycurve first
BH.oM.Geometry.Polyline bhomPolyline = geometry as BH.oM.Geometry.Polyline;
if (bhomPolyline != null)
{
if (bhomPolyline.ControlPoints.Count < 2)
{
throw new Exception("An invalid polyline with fewer than 2 control points is given.");
}
else if (bhomPolyline.ControlPoints.Count == 2)
{
BH.oM.Geometry.Line bhomLine = BH.Engine.Geometry.Create.Line(bhomPolyline.ControlPoints[0], bhomPolyline.ControlPoints[1]);
return(Create.EdgeByLine(bhomLine));
}
else
{
return(Create.WireByPolyLine(bhomPolyline));
}
}
BH.oM.Geometry.PolyCurve bhomPolyCurve = geometry as BH.oM.Geometry.PolyCurve;
if (bhomPolyCurve != null)
{
if (bhomPolyCurve.Curves.Count == 0)
{
throw new Exception("An invalid polycurve with no curve is given.");
}
else if (bhomPolyCurve.Curves.Count == 1)
{
BH.oM.Geometry.ICurve bhomACurve = bhomPolyCurve.Curves[0];
return(Create.EdgeByCurve(bhomACurve));
}
else
{
return(Create.WireByPolyCurve(bhomPolyCurve));
}
}
// Then curve
BH.oM.Geometry.ICurve bhomCurve = geometry as BH.oM.Geometry.ICurve;
if (bhomCurve != null)
{
return(Create.EdgeByCurve(bhomCurve));
}
// Do polysurface first.
BH.oM.Geometry.PolySurface bhomPolySurface = geometry as BH.oM.Geometry.PolySurface;
if (bhomPolySurface != null)
{
return(Create.ShellByPolySurface(bhomPolySurface, tolerance));
}
// Then surface
BH.oM.Geometry.ISurface bhomSurface = geometry as BH.oM.Geometry.ISurface;
if (bhomSurface != null)
{
return(Create.FaceBySurface(bhomSurface));
}
BH.oM.Geometry.ISolid bhomSolid = geometry as BH.oM.Geometry.ISolid;
if (bhomSolid != null)
{
return(Create.CellBySolid(bhomSolid, tolerance));
}
BH.oM.Geometry.BoundingBox bhomBoundingBox = geometry as BH.oM.Geometry.BoundingBox;
if (bhomBoundingBox != null)
{
return(Create.CellByBoundingBox(bhomBoundingBox));
}
BH.oM.Geometry.CompositeGeometry bhomCompositeGeometry = geometry as BH.oM.Geometry.CompositeGeometry;
if (bhomCompositeGeometry != null)
{
return(Create.ClusterByCompositeGeometry(bhomCompositeGeometry, tolerance));
}
BH.oM.Geometry.Mesh bhomMesh = geometry as BH.oM.Geometry.Mesh;
if (bhomMesh != null)
{
return(Create.TopologyByMesh(bhomMesh));
}
throw new NotImplementedException("This BHoM geometry is not yet supported.");
}
/***************************************************/
public static void RenderMeshes(BHG.PolyCurve polycurve, Rhino.Display.DisplayPipeline pipeline, DisplayMaterial material)
{
return;
}
public static Point3dVector ToOSM(this BHG.PolyCurve pCurve)
{
return(pCurve.ICollapseToPolyline(BHG.Tolerance.Angle).ToOSM());
}
/***************************************************/
public static void RenderWires(BHG.PolyCurve polycurve, Rhino.Display.DisplayPipeline pipeline, Color bhColour)
{
pipeline.DrawCurve(polycurve.ToRhino(), bhColour, 2);
}