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feat(ui): position part labels at polylabel center

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Replace PathPoints[0] label positioning with polylabel algorithm
to place part ID labels at the visual center of each part. Labels
are now centered and readable even in dense nests.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
AJ Isaacs
2026-03-16 20:46:47 -04:00
parent b647769b51
commit 79a3410bb9
1 changed files with 3 additions and 1 deletions
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OpenNest/LayoutPart.cs
+3 -1
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@@ -122,7 +122,9 @@ namespace OpenNest
var entities = ConvertProgram.ToGeometry(BasePart.Program); var entities = ConvertProgram.ToGeometry(BasePart.Program);
var nonRapid = entities.Where(e => e.Layer != SpecialLayers.Rapid).ToList(); var nonRapid = entities.Where(e => e.Layer != SpecialLayers.Rapid).ToList();
if (nonRapid.Count == 0) var shapes = ShapeBuilder.GetShapes(nonRapid);
if (shapes.Count == 0)
{ {
var bbox = BasePart.Program.BoundingBox(); var bbox = BasePart.Program.BoundingBox();
return new Vector(bbox.Location.X + bbox.Width / 2, bbox.Location.Y + bbox.Length / 2); return new Vector(bbox.Location.X + bbox.Width / 2, bbox.Location.Y + bbox.Length / 2);