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OpenNest-Engines/OpenNest.Engine.Opus55/OpenNest.Engine.Opus55.csproj
T
ajandClaude Opus 5.5 cbef2f5e41 feat(engine): Opus55 frontier-advance NFP nesting engine
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>
2026-09-23 05:10:50 -04:00

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XML

<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net8.0</TargetFramework>
<RootNamespace>OpenNest.Engine.Opus55</RootNamespace>
<AssemblyName>OpenNest.Engine.Opus55</AssemblyName>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<Compile Remove="tests/**/*.cs" />
<InternalsVisibleTo Include="OpenNest.Engine.Opus55.Tests" />
<ProjectReference Include="../OpenNest.Engine/OpenNest.Engine.csproj" />
</ItemGroup>
</Project>