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ajandClaude Opus 5.5
62e5410cdb
Compare cutout proposals, frame angles and bundles by insert outline area, and add bounded largest-first packer candidates so big parts get the first move in an empty hole. On the real job the four frames go from 54-70% to 77-81% filled. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
41 lines
1.8 KiB
C#
41 lines
1.8 KiB
C#
#nullable enable
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using System;
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using System.Collections.Generic;
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namespace OpenNest.Engine.Jobs.Cutouts;
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/// <summary>What cutout filling maximizes: the job's material seated in cutouts, read as insert
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/// outline area, since every square inch in a hole is one the sheet no longer has to give.
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/// Copy count plays no part, so one large part beats a handful of tiny ones of less area.</summary>
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internal static class CutoutSeatedArea
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{
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private const double Tie = 1e-6;
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/// <summary>The area a part takes off a sheet: its outline, holes included.</summary>
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internal static double Outline(JobPartGeometry geometry) => System.Math.Abs(geometry.Perimeter.Area());
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internal static double Of(IReadOnlyList<NestJobPlacement> poses, Func<string, JobPartGeometry> geometry)
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{
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var area = 0.0;
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foreach (var pose in poses)
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area += Outline(geometry(pose.PartId));
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return area;
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}
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/// <summary>True when <paramref name="candidate"/> seats more area, beyond rounding: areas
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/// summed in another order count as the same.</summary>
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internal static bool More(double candidate, double incumbent) =>
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candidate - incumbent > Tie * System.Math.Max(candidate, incumbent);
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/// <summary>True when <paramref name="candidate"/> should replace
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/// <paramref name="incumbent"/>: it seats more area, or the same area more compactly.</summary>
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internal static bool Better(IReadOnlyList<NestJobPlacement> candidate,
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IReadOnlyList<NestJobPlacement> incumbent, Func<string, JobPartGeometry> geometry)
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{
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var area = Of(candidate, geometry);
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var other = Of(incumbent, geometry);
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return More(area, other)
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|| (!More(other, area) && CutoutPackerProposal.Tighter(candidate, incumbent, geometry));
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}
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}
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