public void StartNest()
{
current = null;
Nest = new SvgNest();
Background.cacheProcess = new Dictionary <string, NFP[]>();
Background.window = new windowUnk();
Background.callCounter = 0;
Iterations = 0;
}
//解的迭代更新
public void NestIterate()
{
List <NFP> lsheets = new List <NFP>();
List <NFP> lpoly = new List <NFP>();
for (int i = 0; i < Polygons.Count; i++)
{
Polygons[i].id = i;
}
for (int i = 0; i < Sheets.Count; i++)
{
Sheets[i].id = i;
}
foreach (var item in Polygons)
{
NFP clone = new NFP();
clone.id = item.id;
clone.source = item.source;
clone.Points = item.Points.Select(z => new SvgPoint(z.x, z.y)
{
exact = z.exact
}).ToArray();
if (item.children != null)
{
clone.children = new List <NFP>();
foreach (var citem in item.children)
{
clone.children.Add(new NFP());
var l = clone.children.Last();
l.id = citem.id;
l.source = citem.source;
l.Points = citem.Points.Select(z => new SvgPoint(z.x, z.y)
{
exact = z.exact
}).ToArray();
}
}
lpoly.Add(clone);
}
foreach (var item in Sheets)
{
NFP clone = new NFP();
clone.id = item.id;
clone.source = item.source;
clone.Points = item.Points.Select(z => new SvgPoint(z.x, z.y)
{
exact = z.exact
}).ToArray();
if (item.children != null)
{
clone.children = new List <NFP>();
foreach (var citem in item.children)
{
clone.children.Add(new NFP());
var l = clone.children.Last();
l.id = citem.id;
l.source = citem.source;
l.Points = citem.Points.Select(z => new SvgPoint(z.x, z.y)
{
exact = z.exact
}).ToArray();
}
}
lsheets.Add(clone);
}
if (offsetTreePhase)
{
var grps = lpoly.GroupBy(z => z.source).ToArray();
if (Background.UseParallel)
{
Parallel.ForEach(grps, (item) =>
{
SvgNest.offsetTree(item.First(), 0.5 * SvgNest.Config.spacing, SvgNest.Config);
foreach (var zitem in item)
{
zitem.Points = item.First().Points.ToArray();
}
});
}
else
{
foreach (var item in grps)
{
SvgNest.offsetTree(item.First(), 0.5 * SvgNest.Config.spacing, SvgNest.Config);
foreach (var zitem in item)
{
zitem.Points = item.First().Points.ToArray();
}
}
}
foreach (var item in lsheets)
{
SvgNest.offsetTree(item, -0.5 * SvgNest.Config.spacing, SvgNest.Config, true);
}
}
List <NestItem> partsLocal = new List <NestItem>();
var p1 = lpoly.GroupBy(z => z.source).Select(z => new NestItem()
{
Polygon = z.First(),
IsSheet = false,
Quanity = z.Count()
});
var p2 = lsheets.GroupBy(z => z.source).Select(z => new NestItem()
{
Polygon = z.First(),
IsSheet = true,
Quanity = z.Count()
});
partsLocal.AddRange(p1);
partsLocal.AddRange(p2);
int srcc = 0;
foreach (var item in partsLocal)
{
item.Polygon.source = srcc++;
}
Nest.launchWorkers(partsLocal.ToArray());
var plcpr = Nest.nests.First();
if (current == null || plcpr.fitness < current.fitness)
{
AssignPlacement(plcpr);
}
Iterations++;
}
