Solid Retesselated()
{
if (IsRetesselated)
{
return(this);
}
else
{
var csg = this;
var polygonsPerPlane = new Dictionary <string, List <Polygon> >();
var isCanonicalized = csg.IsCanonicalized;
var fuzzyFactory = new FuzzyCsgFactory();
foreach (var polygon in csg.Polygons)
{
var plane = polygon.Plane;
var shared = polygon.Shared;
if (!isCanonicalized)
{
plane = fuzzyFactory.GetPlane(plane);
shared = fuzzyFactory.GetPolygonShared(shared);
}
var tag = plane.Tag + "/" + shared.Tag;
List <Polygon> ppp;
if (polygonsPerPlane.TryGetValue(tag, out ppp))
{
ppp.Add(polygon);
}
else
{
ppp = new List <Polygon>();
ppp.Add(polygon);
polygonsPerPlane.Add(tag, ppp);
}
}
var destpolygons = new List <Polygon>();
foreach (var planetag in polygonsPerPlane)
{
var sourcepolygons = planetag.Value;
if (sourcepolygons.Count < 2)
{
destpolygons.AddRange(sourcepolygons);
}
else
{
var retesselatedpolygons = new List <Polygon>();
Solid.RetesselateCoplanarPolygons(sourcepolygons, retesselatedpolygons);
destpolygons.AddRange(retesselatedpolygons);
}
}
var result = Solid.FromPolygons(destpolygons);
result.IsRetesselated = true;
result.Properties = Properties;
return(result);
}
}
static List <Polygon> Reteselate(IReadOnlyList <Polygon> polygons, bool canonicalize)
{
var polygonsPerPlane = new Dictionary <PolygonsPerPlaneKey, List <Polygon> > (polygonsPerPlaneKeyComparer);
var fuzzyFactory = canonicalize ? new FuzzyCsgFactory() : null;
foreach (var polygon in polygons)
{
var plane = polygon.Plane;
var shared = polygon.Shared;
if (fuzzyFactory != null)
{
plane = fuzzyFactory.GetPlane(plane);
shared = fuzzyFactory.GetPolygonShared(shared);
}
var tag = new PolygonsPerPlaneKey {
PlaneTag = plane.Tag, SharedTag = shared.Tag
};
List <Polygon> ppp;
if (polygonsPerPlane.TryGetValue(tag, out ppp))
{
ppp.Add(polygon);
}
else
{
ppp = new List <Polygon> (1);
ppp.Add(polygon);
polygonsPerPlane.Add(tag, ppp);
}
}
var destpolygons = new List <Polygon> ();
//var retess = new List<PlanePolygons> ();
foreach (var planetag in polygonsPerPlane)
{
var sourcepolygons = planetag.Value;
if (sourcepolygons.Count < 2)
{
destpolygons.AddRange(sourcepolygons);
}
else
{
var retesselatedpolygons = new List <Polygon> (sourcepolygons.Count);
//retess.Add (new PlanePolygons { Source = sourcepolygons, Retesselated = retesselatedpolygons });
Solid.RetesselateCoplanarPolygons(sourcepolygons, retesselatedpolygons);
destpolygons.AddRange(retesselatedpolygons);
}
}
//System.Threading.Tasks.Parallel.ForEach (retess, x => {
// Solid.RetesselateCoplanarPolygons (x.Source, x.Retesselated);
//});
//foreach (var x in retess) {
// destpolygons.AddRange (x.Retesselated);
//}
return(destpolygons);
}