ajandClaude Opus 5.5
45a59c6b02
Rename the OpenNest.Engine.Sonnet5 scaffold to OpenNest.Engine.Opus55 and implement an independent whole-job INestingEngine (no built-in engine, registry, or best-fit internals are called or copied). - PartCatalog: snapshot perimeter -> polygon per allowed orientation, with adaptive chord tolerance and MBR-aligned rotations for Automatic parts. - NoFitCache: spacing footprints and cached Clipper2 Minkowski NFPs (convex fast path; concave sweep plus both containment terms). - FrontierPacker: per-(type, orientation) free regions (inner-fit rectangle minus NFPs), updated incrementally; gap-fill-largest, else least front advance per area^beta. - Engine: look-ahead stock choice by estimated whole-job net area, six deterministic variants, tail re-plan of the last 1-3 sheets. - Tests judged by OpenNest.Benchmark's NestValidator, including an NFP containment regression guard. P260805-10.nest (219 parts), all 9 stock sizes: 219/219 valid, 27 sheets, 91.7% utilization, ~7 s. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
42 lines
1.6 KiB
C#
42 lines
1.6 KiB
C#
using OpenNest.Engine.Jobs;
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namespace OpenNest.Engine.Opus55;
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/// <summary>
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/// The objective the engine optimizes: sheet area consumed, less the salvage credit for the
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/// single largest full-width or full-length edge offcut the job's options allow. Packing toward
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/// one edge (see <see cref="PackAxis"/>) is what makes that offcut large.
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/// </summary>
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internal static class SheetEconomics
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{
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public static double SheetArea(NestPlateStock stock) => stock.Size.Width * stock.Size.Length;
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public static double NetArea(NestJobOptions options, SheetFill fill)
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{
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var area = SheetArea(fill.Stock);
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var minimum = options.MinimumSalvageDimension;
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if (options.SalvageRate <= 0 || minimum <= 0 || fill.Parts.Count == 0)
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return area;
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var work = FrontierPacker.WorkArea(fill.Stock);
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var gap = fill.Stock.PartSpacing;
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var left = fill.Parts.Min(p => p.Left);
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var right = fill.Parts.Max(p => p.Right);
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var bottom = fill.Parts.Min(p => p.Bottom);
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var top = fill.Parts.Max(p => p.Top);
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var offcuts = new[]
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{
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// Box.Length is the X extent, Box.Width the Y extent.
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(work.Length, bottom - work.Bottom - gap),
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(work.Length, work.Top - top - gap),
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(left - work.Left - gap, work.Width),
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(work.Right - right - gap, work.Width),
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};
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var salvage = 0.0;
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foreach (var (a, b) in offcuts)
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if (a >= minimum && b >= minimum)
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salvage = System.Math.Max(salvage, a * b);
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return area - options.SalvageRate * salvage;
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}
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}
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