protected override void SolveInstance(IGH_DataAccess DA)
{
try {
this.reset = DA.Fetch <bool>("Reset");
this.run = DA.Fetch <bool>("Run");
this.iterations = DA.Fetch <int>("Iterations");
this.spacing = DA.Fetch <double>("Spacing");
this.placementType = DA.Fetch <int>("Placement");
this.tolerance = DA.Fetch <double>("Tolerance");
this.rotations = DA.Fetch <int>("Rotations");
this.seed = DA.Fetch <int>("Seed");
this.spacing *= (1 / tolerance);
//Rhino.RhinoApp.WriteLine("ITER" + iterations.ToString());
if (((this.reset) || this.scales.Length == 0) || (this.iterations > 0))
{
//Input
//Rhino.RhinoApp.WriteLine("setup" + rotations.ToString());
List <Polyline> sheets = DA.FetchList <Curve>("Sheets").ToPolylines(true);
if (sheets.Count == 1)
{
Polyline sheetCopy = new Polyline(sheets[0]);
sheets.Clear();
Point3d p0 = sheetCopy.BoundingBox.PointAt(0, 0, 0);
Point3d p1 = sheetCopy.BoundingBox.PointAt(1, 0, 0);
Vector3d vec = p1 - p0;
x = (p1.X - p0.X + this.spacing) / this.tolerance;
for (int i = 0; i < 499; i++)
{
//Polyline sheetMoved = new Polyline(sheetCopy);
//sheetMoved.Transform(Transform.Translation(vec * i));
sheets.Add(sheetCopy);
}
}
else
{
this.x = 0;
}
List <IGH_GeometricGoo> geo_ = DA.FetchList <IGH_GeometricGoo>("Geo");
Polyline[][] outlines = GooToOutlines(geo_);
////////////Solution////////////
base.Message = "Setup";
this.scalesInv = new Transform[0];
this.scales = new Transform[0];
this.orient = new Transform[0];
this.sheetsRhino = new Polyline[0];
this.id = new int[0];
this.transforms = new Transform[0];
//Scale
Transform scale = Transform.Scale(Point3d.Origin, 1 / tolerance);
Transform scaleInv = Transform.Scale(Point3d.Origin, tolerance);
for (int i = 0; i < sheets.Count; i++)
{
//sheets[i] = new Rectangle3d(sheets[i].Plane, sheets[i].Width * 1 / tolerance, sheets[i].Height * 1 / tolerance);
Polyline polyline = new Polyline(sheets[i]);
polyline.Transform(Transform.Scale(Point3d.Origin, 1 / tolerance));
sheets[i] = polyline;
}
//Scale polylines and holes by tolerance
scalesInv = new Transform[n];
scales = new Transform[n];
for (int i = 0; i < n; i++)
{
for (int j = 0; j < outlines[i].Length; j++)
{
outlines[i][j].Transform(scale);
}
scalesInv[i] = scaleInv;
scales[i] = scale;
}
//Translation
orient = new Transform[n];
for (int i = 0; i < n; i++)
{
int last = (outlines[i].Length - 1) % outlines[i].Length;
Tuple <Polyline, Transform> projectedPolyline = OpenNestUtil.FitPolylineToPlane(new Polyline(outlines[i][last]));
//Rhino.RhinoDoc.ActiveDoc.Objects.AddPolyline(projectedPolyline.Item1);
for (int j = 0; j < outlines[i].Length; j++)
{
outlines[i][j].Transform(projectedPolyline.Item2);
}
//foreach (var pp in outlines[i][0])
// Rhino.RhinoDoc.ActiveDoc.Objects.AddPoint(pp);
orient[i] = projectedPolyline.Item2;
}
////////////Run Solver////////////
//OpenNestSolver sample = new OpenNestSolver();
//sample.Context.LoadSampleData(sheets, outlines);
//var output = sample.Run(spacing, iterations, placementType, rotations);
//Context = new NestingContext(this.seed);
Context = new NestingContext();
Context.LoadSampleData(sheets, outlines);
//Rhino.RhinoApp.WriteLine("outlines " + polyline[0].Count.ToString());
Background.UseParallel = true;
ONest.Config.placementType = (PlacementTypeEnum)(placementType % 3);
//Rhino.RhinoApp.WriteLine(((PlacementTypeEnum)(placementType % 3)).ToString());
ONest.Config.spacing = this.spacing;
ONest.Config.rotations = this.rotations;
ONest.Config.seed = this.seed;
ONest.Config.clipperScale = 1e7;
ONest.Config.simplify = (placementType == 4);
ONest.Config.exploreConcave = (placementType == 5);
ONest.Config.mergeLines = false;
//ONest.Config.useHoles = false;
Context.StartNest();
}
if ((run || this.scales.Length == 0) && iterations == 0)
{
Context.NestIterate();
base.Message = "Run " + Context.Iterations.ToString() + " \n Current Best: " + Context.Current.fitness;
}
if (iterations > 0)
{
for (int i = 0; i < iterations; i++)
{
Context.NestIterate();
}
base.Message = "Static Solver " + Context.Iterations.ToString() + " \n Current Best: " + Context.Current.fitness;
}
if (Context.SheetsNotUsed != -1)
{
int sheetCount = Context.Sheets.Count - Context.SheetsNotUsed;
this.sheetsRhino = new Polyline[sheetCount];
for (int i = 0; i < sheetCount; i++)
{
//Rhino.RhinoApp.WriteLine(Context.Sheets[i].id.ToString());
Polyline sheetPoly = Context.Sheets[i].ToPolyline();
sheetPoly.Transform(Transform.Translation(new Vector3d(this.x * i, 0, 0)));
this.sheetsRhino[i] = sheetPoly;
}
}
else
{
this.sheetsRhino = Context.Sheets.ToPolylines();
}
this.id = Context.Polygons.ToIDArray();
//Context.Polygons[i].sheet.Id;
Transform[] polygonsTransforms = Context.Polygons.GetTransforms();
this.transforms = new Transform[scalesInv.Length];
List <int> polygonIDinSheet = new List <int>();
for (int i = 0; i < scalesInv.Length; i++)
{
if (Context.Polygons[i].fitted)
{
this.transforms[i] = scalesInv[i] * Transform.Translation(new Vector3d(this.x * Context.Polygons[i].sheet.id, 0, 0)) * polygonsTransforms[i] * orient[i] * scales[i];
polygonIDinSheet.Add(Context.Polygons[i].sheet.id);
}
else
{
this.transforms[i] = Transform.Translation(new Vector3d(0, 0, 0));
//this.transforms[i] = scalesInv[i] * polygonsTransforms[i] * orient[i] * scales[i];
polygonIDinSheet.Add(-1);
}
}
for (int i = 0; i < n; i++)
{
IGH_GeometricGoo goo = geo_Original[i].DuplicateGeometry(); //if not duplicated grasshopper will change original ones
goo.Transform(transforms[i]);
geo[i] = goo;
}
for (int i = 0; i < sheetsRhino.Length; i++)
{
sheetsRhino[i].Transform(Transform.Scale(Point3d.Origin, tolerance));
}
////////////Output////////////
DA.SetDataList(0, sheetsRhino); //Sheets
DA.SetDataList(1, geo); //Surfaces or outlines
DA.SetDataList(2, id); //ID
DA.SetDataList(3, transforms); //transformations
DA.SetDataList(4, polygonIDinSheet);
} catch (Exception e) {
base.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, e.ToString());
}
}
public Polyline[][] GooToOutlines(List <IGH_GeometricGoo> geo_)
{
geo = new List <IGH_GeometricGoo>();
geo_Original = new List <IGH_GeometricGoo>();
foreach (var goo in geo_)
{
if (goo != null)
{
if (goo.IsValid)
{
geo.Add(goo.DuplicateGeometry());
geo_Original.Add(goo.DuplicateGeometry());
}
}
}
this.n = geo.Count;
Polyline[][] outlines = new Polyline[this.n][];
for (int i = 0; i < geo_.Count; i++)
{
switch (geo_[i].TypeName)
{
case ("Brep"):
case ("Surface"):
bool flagBrep = geo_[i].CastTo <Brep>(out Brep b);
if (flagBrep)
{
if (b.IsValid)
{
outlines[i] = OpenNestUtil.BrepLoops(b);
}
}
break;
case ("Mesh"):
bool flagMesh = geo_[i].CastTo <Mesh>(out Mesh m);
if (flagMesh)
{
if (m.IsValid)
{
outlines[i] = OpenNestUtil.MeshLoops(m);
}
}
break;
case ("Curve"):
bool flagPolyline = geo_[i].CastTo <Curve>(out Curve c);
if (flagPolyline)
{
if (c.IsValid)
{
bool isPolyline = c.TryGetPolyline(out Polyline polyline);
if (isPolyline)
{
if (polyline.IsValid && polyline.Count > 2 && OpenNestUtil.FastDistance(polyline[0], polyline[polyline.Count - 1]) < 0.01)
{
outlines[i] = new Polyline[] { polyline };
}
}
else
{
PolylineCurve polycurve = c.ToPolyline(20, 1, 0.00, 0.00, 0.00, 0.01, 0.00, 0.00, true);
bool notPolyline = polycurve.TryGetPolyline(out Polyline polycurvePolyline);
if (!notPolyline)
{
Rhino.RhinoApp.WriteLine("wrongCurve");
}
outlines[i] = new Polyline[] { polycurvePolyline };
}
}
}
break;
}
}
return(outlines);
}