public LineConverter(Point3dConverter ptConv) :
base(
(rhLine) =>
{
return(new pp.Line(ptConv.ToPipe <rh.Point3d, ppg.Vec>(rhLine.From),
ptConv.ToPipe <rh.Point3d, ppg.Vec>(rhLine.To)));
},
(ppLine) =>
{
return(new rh.Line(ptConv.FromPipe <rh.Point3d, ppg.Vec>(ppLine.StartPoint),
ptConv.FromPipe <rh.Point3d, ppg.Vec>(ppLine.EndPoint)));
}
)
{ }
public PointConverter(Point3dConverter ptConv)
{
_ptConv = ptConv;
AddConverter(new PipeConverter <rh.Point, pp.Vec>(
(rhpt) =>
{
return(_ptConv.ToPipe <rh.Point3d, pp.Vec>(rhpt.Location));
},
(ppVec) =>
{
return(new rh.Point(_ptConv.FromPipe <rh.Point3d, pp.Vec>(ppVec)));
}
));
}
public ArcConverter(PlaneConverter planeConv, Point3dConverter ptConv) :
base(
(rhArc) =>
{
ppg.Plane pl = planeConv.ToPipe <rh.Plane, ppg.Plane>(rhArc.Plane);
ppg.Plane pl2 = new ppg.Plane(ptConv.ToPipe <rh.Point3d, ppg.Vec>(rhArc.Center), pl.X, pl.Y);
return(new pp.Arc(pl2, rhArc.Radius, rhArc.StartAngle, rhArc.EndAngle));
},
(ppArc) =>
{
return(new rh.Arc(planeConv.FromPipe <rh.Plane, ppg.Plane>(ppArc.Plane), ppArc.Radius,
ppArc.EndAngle - ppArc.StartAngle));
}
)
{ }
public PlaneConverter(Vector3DConverter vecConv, Point3dConverter ptConv) :
base(
(rhp) =>
{
pp.Vec origin = ptConv.ToPipe <rh.Point3d, pp.Vec>(rhp.Origin);
pp.Vec x = vecConv.ToPipe <rh.Vector3d, pp.Vec>(rhp.XAxis);
pp.Vec y = vecConv.ToPipe <rh.Vector3d, pp.Vec>(rhp.YAxis);
//we won't convert the z-axis because we can simply cross the x and y
return(new pp.Plane(origin, x, y));
},
(ppp) =>
{
rh.Point3d origin = ptConv.FromPipe <rh.Point3d, pp.Vec>(ppp.Origin);
rh.Vector3d x = vecConv.FromPipe <rh.Vector3d, pp.Vec>(ppp.X);
rh.Vector3d y = vecConv.FromPipe <rh.Vector3d, pp.Vec>(ppp.Y);
return(new rh.Plane(origin, x, y));
}
) { }
public PolylineConverter(Point3dConverter ptConv) :
base(
(rhpl) =>
{
List <ppg.Vec> ptList = new List <ppg.Vec>();
int ptCount = rhpl.Count;
for (int i = 0; i < ptCount; i++)
{
ptList.Add(ptConv.ToPipe <rh.Point3d, ppg.Vec>(rhpl[i]));
}
return(new pp.Polyline(ptList));
},
(ppl) =>
{
List <rh.Point3d> ptList = new List <rh.Point3d>();
foreach (var pt in ppl.Points)
{
ptList.Add(ptConv.FromPipe <rh.Point3d, ppg.Vec>(pt));
}
return(new rh.Polyline(ptList));
}
)
{ }
public CurveConverter(Point3dConverter ptConv, ArcConverter arcConv, LineConverter lineConv)
{
//to convert ArcCurves
AddConverter(new PipeConverter <rh.ArcCurve, pp.Arc>(
(rhArc) => { return(arcConv.ToPipe <rh.Arc, pp.Arc>(rhArc.Arc)); },
(ppArc) => { return(new rh.ArcCurve(arcConv.FromPipe <rh.Arc, pp.Arc>(ppArc))); }
));
//to convert LineCurves
AddConverter(new PipeConverter <rh.LineCurve, pp.Line>(
(rhLine) => { return(lineConv.ToPipe <rh.Line, pp.Line>(rhLine.Line)); },
(ppLine) => { return(new rh.LineCurve(lineConv.FromPipe <rh.Line, pp.Line>(ppLine))); }
));
//to convert polyline curves
AddConverter(new PipeConverter <rh.PolylineCurve, pp.Polyline>(
(rhpl) =>
{
List <ppg.Vec> ptList = new List <ppg.Vec>();
int ptCount = rhpl.PointCount;
for (int i = 0; i < ptCount; i++)
{
ptList.Add(ptConv.ToPipe <rh.Point3d, ppg.Vec>(rhpl.Point(i)));
}
return(new pp.Polyline(ptList));
},
(ppl) =>
{
List <rh.Point3d> ptList = new List <rh.Point3d>();
foreach (var pt in ppl.Points)
{
ptList.Add(ptConv.FromPipe <rh.Point3d, ppg.Vec>(pt));
}
return(new rh.PolylineCurve(ptList));
}
));
//to convert nurbs curves
AddConverter(new PipeConverter <rh.NurbsCurve, pp.NurbsCurve>(
(rhc) => {
pp.NurbsCurve curve;
/*
* if the curve is closed, the internal NurbsCurve datastructure stores too many points in the
* array, in order to loop around to the next knot, we want to take a smaller list in that case
*/
//rebuilding the curve just in case.. if there is something weird about the curve
var rhc2 = rhc.Rebuild(rhc.Points.Count, rhc.Degree, true);
rhc = rhc2 ?? rhc;
int controlPtsNum = rhc.IsClosed ? rhc.Points.Count - (rhc.IsPeriodic ? rhc.Degree : 1)
: rhc.Points.Count;
List <ppg.Vec> ptList = rhc.Points.Take(controlPtsNum).Select(
(pt) => ptConv.ToPipe <rh.Point3d, ppg.Vec>(pt.Location)).ToList();
//normalizing the knots to be between 0 and 1
List <double> knotList = rhc.Knots.Select((k) => (k - rhc.Domain.Min) / (rhc.Domain.Length)).ToList();
curve = new pp.NurbsCurve(ptList, rhc.Degree,
rhc.Points.Take(controlPtsNum).Select((pt) => pt.Weight).ToList(), knotList, rhc.IsClosed);
curve.IsPeriodic = rhc.IsPeriodic;
return(curve);
},
(ppc) => {
List <rh.Point3d> ptList = ppc.ControlPoints.Select(
(pt) => ptConv.FromPipe <rh.Point3d, ppg.Vec>(pt)).ToList();
/*
* If the curve is closed, then rhino expects the first point to appear at the end of the
* control point list again, so we add it.
*/
if (ppc.IsClosed)
{
ptList.Add(ptList.First());
}
rh.NurbsCurve curve = rh.NurbsCurve.Create(ppc.IsPeriodic, ppc.Degree, ptList);
if (ppc.IsClosed && ppc.ControlPoints.Count > 3 && !curve.IsClosed)
{
curve.MakeClosed(1e-7);
}
if (!ppc.IsRational)
{
for (int i = 0; i < curve.Points.Count; i++)
{
var pt = curve.Points.ElementAt(i);
var newPt = new rh.Point4d(pt.Location.X, pt.Location.Y, pt.Location.Z, ppc.Weights[i % ppc.Weights.Count]);
curve.Points.SetPoint(i, newPt);
}
}
//setting knots after scaling them to the domain
if (ppc.Knots.Count == curve.Knots.Count)
{
for (int i = 0; i < ppc.Knots.Count; i++)
{
curve.Knots[i] = ppc.Knots[i] * (curve.Domain.Length) + curve.Domain.Min;
}
}
string msg;
if (!curve.IsValidWithLog(out msg))
{
System.Diagnostics.Debug.WriteLine(msg);
if (curve.IsPeriodic)
{
curve.Knots.CreatePeriodicKnots(1.0 / (curve.Points.Count));
}
else
{
curve.Knots.CreateUniformKnots(1.0 / (curve.Points.Count));
}
if (!curve.IsValid)
{
throw new InvalidOperationException("Cannot create a valid curve with " +
"received data because: \n" + msg);
}
}
return(curve);
}
));
//to convert polycurves
AddConverter(new PipeConverter <rh.PolyCurve, pp.PolyCurve>(
(rhc) => {
List <pp.Curve> curves = new List <pp.Curve>();
for (int i = 0; i < rhc.SegmentCount; i++)
{
curves.Add(ToPipe <rh.Curve, pp.Curve>(rhc.SegmentCurve(i)));
}
return(new pp.PolyCurve(curves));
},
(ppc) => {
var curve = new rh.PolyCurve();
foreach (var segment in ppc.Segments)
{
curve.Append(FromPipe <rh.Curve, pp.Curve>(segment));
}
return(curve);
}
));
}
public SurfaceConverter(CurveConverter curveConv, Vector3DConverter vecConv, Point3dConverter ptConv)
{
//extrusion surfaces
AddConverter(new PipeConverter <rh.Extrusion, pps.Extrusion>(
(rhE) => {
ppc.Line path = (ppc.Line)curveConv.ConvertToPipe <rh.Curve, ppc.Curve>(rhE.PathLineCurve());
pps.Extrusion extr = new pps.Extrusion(curveConv.ConvertToPipe <rh.Curve, ppc.Curve>(rhE.Profile3d(0, 0)),
vecConv.ConvertToPipe <rh.Vector3d, pp.Vec>(rhE.PathTangent), path.Length);
for (int i = 1; i < rhE.ProfileCount; i++)
{
extr.Holes.Add(curveConv.ConvertToPipe <rh.Curve, ppc.Curve>(rhE.Profile3d(i, 0)));
}
extr.CappedAtStart = rhE.IsCappedAtBottom;
extr.CappedAtEnd = rhE.IsCappedAtTop;
extr.SurfaceNormal = vecConv.ToPipe <rh.Vector3d, pp.Vec>(rhE.NormalAt(rhE.Domain(0).Mid, rhE.Domain(1).Mid));
return(extr);
},
(ppE) => {
if (1 - ppE.Direction.Dot(new pp.Vec(0, 0, 1)) > 1e-3)
{
//the extrusion is not vertical
throw new InvalidOperationException("Cannot create this extrusion. " +
"Try converting it into a polysurface and pushing it again");
}
var profile = curveConv.FromPipe <rh.Curve, ppc.Curve>(ppE.ProfileCurve);
rh.Extrusion extr = rh.Extrusion.Create(profile, ppE.Height, ppE.CappedAtEnd || ppE.CappedAtStart);
ppE.Holes.ForEach((h) => extr.AddInnerProfile(curveConv.FromPipe <rh.Curve, ppc.Curve>(h)));
//extr.SetOuterProfile(profile, false);
//extr.SetPathAndUp(profile.PointAtStart, profile.PointAtStart + pathVec, pathVec);
string msg;
if (!extr.IsValidWithLog(out msg))
{
System.Diagnostics.Debug.WriteLine(msg);
throw new InvalidOperationException("Cannot create a valid extrusion from the received data: \n" + msg);
}
var rhNorm = extr.NormalAt(extr.Domain(0).Mid, extr.Domain(1).Mid);
if (rh.Vector3d.Multiply(rhNorm, vecConv.FromPipe <rh.Vector3d, pp.Vec>(ppE.SurfaceNormal)) < 0)
{
//extrusions don't need to be flipped;
}
return(extr);
}
));
//NurbsSurfaces
AddConverter(new PipeConverter <rh.NurbsSurface, pps.NurbsSurface>(
(rns) =>
{
pps.NurbsSurface nurbs = new pps.NurbsSurface(rns.Points.CountU, rns.Points.CountV, rns.Degree(0), rns.Degree(1));
for (int u = 0; u < rns.Points.CountU; u++)
{
for (int v = 0; v < rns.Points.CountV; v++)
{
nurbs.SetControlPoint(ptConv.ToPipe <rh.Point3d, pp.Vec>(rns.Points.GetControlPoint(u, v).Location), u, v);
nurbs.SetWeight(rns.Points.GetControlPoint(u, v).Weight, u, v);
}
}
rh.Interval uDomain = rns.Domain(0);
rh.Interval vDomain = rns.Domain(1);
Func <double, rh.Interval, double> scaleKnot = (k, domain) => (k - domain.Min) / (domain.Length);
nurbs.UKnots = rns.KnotsU.Select((k) => scaleKnot.Invoke(k, uDomain)).ToList();
nurbs.VKnots = rns.KnotsV.Select((k) => scaleKnot.Invoke(k, vDomain)).ToList();
nurbs.IsClosedInU = rns.IsClosed(0);
nurbs.IsClosedInV = rns.IsClosed(1);
nurbs.SurfaceNormal = vecConv.ToPipe <rh.Vector3d, pp.Vec>(rns.NormalAt(rns.Domain(0).Mid, rns.Domain(1).Mid));
return(nurbs);
},
(pns) => {
if (pns.IsClosedInU)
{
pns.WrapPointsToCloseSurface(0);
}
if (pns.IsClosedInV)
{
pns.WrapPointsToCloseSurface(1);
}
var nurbs = rh.NurbsSurface.Create(3, true, pns.UDegree + 1, pns.VDegree + 1, pns.UCount, pns.VCount);
for (int u = 0; u < pns.UCount; u++)
{
for (int v = 0; v < pns.VCount; v++)
{
var cp = new rh.ControlPoint(ptConv.FromPipe <rh.Point3d, pp.Vec>(pns.GetControlPointAt(u, v)),
pns.GetWeightAt(u, v));
nurbs.Points.SetControlPoint(u, v, cp);
}
}
rh.Interval uDomain = nurbs.Domain(0);
rh.Interval vDomain = nurbs.Domain(1);
Func <double, rh.Interval, double> scaleKnot = (k, domain) => k * (domain.Length) + domain.Min;
if (nurbs.KnotsU.Count == pns.UKnots.Count)
{
for (int i = 0; i < nurbs.KnotsU.Count; i++)
{
nurbs.KnotsU[i] = scaleKnot.Invoke(pns.UKnots[i], uDomain);
}
}
if (nurbs.KnotsV.Count == pns.VKnots.Count)
{
for (int i = 0; i < nurbs.KnotsV.Count; i++)
{
nurbs.KnotsV[i] = scaleKnot.Invoke(pns.VKnots[i], vDomain);
}
}
string msg;
if (!nurbs.IsValidWithLog(out msg))
{
System.Diagnostics.Debug.WriteLine(msg);
if (!nurbs.IsPeriodic(0))
{
nurbs.KnotsU.CreateUniformKnots(1.0 / (nurbs.Points.CountU));
}
else
{
nurbs.KnotsU.CreatePeriodicKnots(1.0 / (nurbs.Points.CountU));
}
if (!nurbs.IsPeriodic(1))
{
nurbs.KnotsV.CreateUniformKnots(1.0 / (nurbs.Points.CountV));
}
else
{
nurbs.KnotsV.CreatePeriodicKnots(1.0 / (nurbs.Points.CountV));
}
if (!nurbs.IsValid)
{
throw new InvalidOperationException("Cannot create a valid NURBS surface: \n" + msg);
}
}
var rhNorm = nurbs.NormalAt(nurbs.Domain(0).Mid, nurbs.Domain(1).Mid);
if (rh.Vector3d.Multiply(rhNorm, vecConv.FromPipe <rh.Vector3d, pp.Vec>(pns.SurfaceNormal)) < 0)
{
//need not flip rhino surfaces
}
return(nurbs);
}
));
}
public BrepConverter(SurfaceConverter surfConv, CurveConverter curveConv, Point3dConverter ptConv) :
base(
(rb) => {
List <pps.Surface> faces = new List <pps.Surface>();
List <List <int> > adjacency = new List <List <int> >();
for (int i = 0; i < rb.Faces.Count; i++)
{
var surf = (pps.NurbsSurface)surfConv.ToPipe <rh.Surface, pps.Surface>(rb.Faces[i].ToNurbsSurface());
surf.OuterTrims.Clear();
surf.OuterTrims.AddRange(rb.Faces[i].Loops.Where((l) =>
l.LoopType == rh.BrepLoopType.Outer).Select((l) =>
curveConv.ToPipe <rh.Curve, ppc.Curve>(l.To3dCurve())));
surf.InnerTrims.Clear();
surf.InnerTrims.AddRange(rb.Faces[i].Loops.Where((l) =>
l.LoopType == rh.BrepLoopType.Inner).Select((l) =>
curveConv.ToPipe <rh.Curve, ppc.Curve>(l.To3dCurve())));
faces.Add(surf);
adjacency.Add(rb.Faces[i].AdjacentFaces().ToList());
}
var polySurf = new pps.PolySurface(faces, adjacency);
polySurf.IsSolid = rb.IsSolid;
return(polySurf);
},
(pb) => {
if (pb.Surfaces.Count <= 0)
{
return(null);
}
rh.Brep brep = null;
//trying to create a trimmed brep with built in methods
if (Util.TryCreateBrepWithBuiltInMethods(pb, out brep, surfConv, curveConv))
{
return(brep);
}
//attemping to build it from scratch - 15 attempts
int attempts = 0;
while (attempts < 15)
{
brep = new rh.Brep();
var ptCloud = new rh.PointCloud(pb.Vertices().Select((p) => ptConv.FromPipe <rh.Point3d, pp.Vec>(p)));
var ptList = ptCloud.GetPoints().ToList();
ptList.ForEach((p) => brep.Vertices.Add(p, Rhino.RhinoMath.ZeroTolerance));
var ppEdges = pb.Edges();
foreach (var ppCur in ppEdges)
{
var rhCurve = curveConv.FromPipe <rh.Curve, ppc.Curve>(ppCur);
int curveIndex = brep.Curves3D.Add(rhCurve);
int startIndex = ptCloud.ClosestPoint(rhCurve.PointAtStart);
int endIndex = ptCloud.ClosestPoint(rhCurve.PointAtEnd);
var edge = brep.Edges.Add(startIndex, endIndex, curveIndex, Rhino.RhinoMath.ZeroTolerance);
}
foreach (var ppSurf in pb.Surfaces)
{
var rhSurf = surfConv.FromPipe <rh.Surface, pps.Surface>(ppSurf);
var surfIndex = brep.AddSurface(rhSurf);
var face = brep.Faces.Add(surfIndex);
var loop = brep.Loops.Add(rh.BrepLoopType.Outer, face);
var surfEdges = ppSurf.Edges();
int loopCount = 0;
foreach (var ppLoop in surfEdges)
{
var rhCurve = curveConv.FromPipe <rh.Curve, ppc.Curve>(ppLoop);
var curve2d = rhSurf.Pullback(rhCurve, Rhino.RhinoMath.ZeroTolerance);
if (curve2d == null)
{
continue;
}
loopCount += 1;
int c2i = brep.Curves2D.Add(curve2d);
int c3i = ppEdges.IndexOf(ppLoop);
if (c3i == -1)
{
c3i = brep.Curves3D.Add(rhCurve);
}
int startIndex = ptCloud.ClosestPoint(rhCurve.PointAtStart);
int endIndex = ptCloud.ClosestPoint(rhCurve.PointAtEnd);
var trim = brep.Trims.Add(brep.Edges[c3i], false, loop, c2i);
trim.IsoStatus = rh.IsoStatus.None;
trim.TrimType = rh.BrepTrimType.Boundary;
trim.SetTolerances(0.0, 0.0);
}
if (loopCount == 0)
{
var curve2d = Util.Get2dEdgeLoop(rhSurf);
int c2i = brep.Curves2D.Add(curve2d);
var curve3d = rhSurf.Pushup(curve2d, Rhino.RhinoMath.ZeroTolerance);
int c3i = brep.Curves3D.Add(curve3d);
int startIndex = ptCloud.ClosestPoint(curve3d.PointAtStart);
int endIndex = ptCloud.ClosestPoint(curve3d.PointAtEnd);
var edge = brep.Edges.Add(startIndex, endIndex, c3i, Rhino.RhinoMath.ZeroTolerance);
var trim = brep.Trims.Add(brep.Edges[c3i], false, loop, c2i);
trim.IsoStatus = rh.IsoStatus.None;
trim.TrimType = rh.BrepTrimType.Boundary;
trim.SetTolerances(0.0, 0.0);
}
//var uSurfDom = rhSurf.Domain(0);
//var vSurfDom = rhSurf.Domain(1);
//var ufaceDom = face.Domain(0);
//var vfaceDom = face.Domain(1);
//var surfNorm = rhSurf.NormalAt(uSurfDom.Mid, vSurfDom.Mid);
//var faceNorm = face.NormalAt(ufaceDom.Mid, vfaceDom.Mid);
//face.OrientationIsReversed = rh.Vector3d.Multiply(surfNorm, faceNorm) < 0;
face.OrientationIsReversed = false;
}
//updating attempts and breaking if succeeded
attempts += 1;
if (brep.IsValid)
{
break;
}
}
string msg;
if (!brep.IsValidWithLog(out msg))
{
System.Diagnostics.Debug.WriteLine(msg);
brep.Repair(Rhino.RhinoMath.ZeroTolerance);
if (brep.IsValid)
{
return(brep);
}
//finally attemping to create an untrimmed brep
int attempt = 0;
while (!brep.IsValid && attempt < 15)
{
brep = rh.Brep.MergeBreps(pb.Surfaces.Select((s) =>
rh.Brep.CreateFromSurface(surfConv.FromPipe <rh.Surface, pps.Surface>(s))),
Rhino.RhinoMath.ZeroTolerance);
attempt += 1;
}
if (!brep.IsValid)
{
throw new InvalidOperationException("Failed to create a valid brep from " +
"received data because: \n" + msg);
}
}
return(brep);
}
)
{ }
