CypherNaugh_0xandClaude Opus 5.5
5249ae84ef
Moving a body transforms its intersection-curve edges, and truck-geometry 0.5.0 scales each curve's tolerance by the operator norm of the matrix. matext4cgmath 0.1.0 computes it from eigenvalues through a quartic whose Newton refinement loops while the residual is above a tolerance and never gives up. For a translation matrix all four eigenvalues are 1, and near that quadruple root the iteration can cycle forever (about one translation in eight of the boolean retries' shifts, by a scan of sizes 0.1-2000 mm). matext4cgmath is vendored with both Newton loops stopped after 100 steps (vendor/README.md, ATTRIBUTION.md). truck master no longer computes the norm in transform_by, so the vendored copy can go once a truck release after 0.5.0 is adopted. Tests: moving_a_body_with_an_intersection_curve_edge_ends (kernel) cuts a cylinder with a tilted box and moves the result by one of the shifts that hung (hangs on main). examples/regressions/oblique_cut_of_cylinder_hang.json is the variant of the oblique cut that hung the app; it hangs on main, and since the previous commit it passes without reaching the shifted retries, so it is replayed by the engine test as a scenario only. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
64 lines
3.8 KiB
Markdown
64 lines
3.8 KiB
Markdown
# Vendored third-party crates
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Copies of third-party crates that SolveCraft builds with local fixes, wired in with
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`[patch.crates-io]` in the workspace `Cargo.toml`. They keep their own licence; changed lines
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are marked `SolveCraft:` in the source.
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## truck-shapeops 0.4.0 (Apache-2.0, © RICOS Co. Ltd., https://github.com/ricosjp/truck)
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Changes:
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- `transversal/integrate/mod.rs`: mesh both shells with `robust_triangulation` (faces made by
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earlier booleans have boundaries that lie on their surface only within tolerance).
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- `transversal/divide_face/mod.rs`: when projecting a loop onto a face's surface, fall back to
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the nearest parameter when the exact search fails (intersection curves are approximations).
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- `transversal/integrate/mod.rs`: the result's shells and faces keep the order of the shell
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they come from (truck's connected components followed hash order of face addresses, so a
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boolean's faces came out in a different order on every run).
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- `lib.rs`: `tr!` reports where an operation gives up when `SHAPEOPS_TRACE` is set; compiler
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warnings no longer fail the build.
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## truck-stepio 0.3.0 (Apache-2.0, © RICOS Co. Ltd., https://github.com/ricosjp/truck)
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Only the writer (`out`) is used; SolveCraft reads STEP with its own reader.
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Changes:
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- `out/geometry.rs`: an `INTERSECTION_CURVE`'s second surface was written at the first
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surface's entity index, so every boolean-made edge produced duplicate entity ids.
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- `out/geometry.rs`: surfaces of revolution carry the right `same_sense` for inverted and
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mirrored revolutions (ISO 10303-42 parameterises them by angle then profile, so their normal
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is the opposite of truck's; a mirroring transform reverses it again), and the modeling-surface
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wrapper passes the revolution's sense through instead of always `true`.
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- `lib.rs`: compiler warnings no longer fail the build. Example and test targets are dropped
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(their sources are not vendored).
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## truck-meshalgo 0.4.0 (Apache-2.0, © RICOS Co. Ltd., https://github.com/ricosjp/truck)
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Changes:
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- `tessellation/triangulation.rs`: meshed faces and edges are built unchecked: faces whose loop
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runs along a seam edge both ways and closed edges (a full circle on one vertex) are valid,
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but the debug-build checks rejected them (debug builds could not mesh them).
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- `tessellation/triangulation.rs`: parameter searches that land outside a surface's bounded,
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non-periodic domain are rejected (a hinted B-spline search can run off and extrapolate to
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thousands of parameter units, and meshing that grid never finishes); the last-resort nearest
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search is clamped into the domain.
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- `tessellation/triangulation.rs`, bounded work (hostile files must not hang): edge polylines
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and surface grids come from our own bounded divisions (at most 20 000 points per edge, a
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grid budget per face shared out of 10 million points per shell, 24 refinement rounds; a
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point that does not evaluate counts as flat instead of recursing). Surface grids refine only
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the direction that bends, and a ruling left undivided gets cells comparable to the other
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direction (long triangles from a trim loop to the grid's far ends cut through cylinders).
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- `lib.rs`: compiler warnings no longer fail the build. Example, test and bench targets are
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dropped (their sources are not vendored).
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## matext4cgmath 0.1.0 (Apache-2.0, © RICOS Co. Ltd., https://github.com/ricosjp/matext4cgmath)
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truck-geometry uses it for a matrix's operator norm (an intersection curve scales its tolerance
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by it whenever it is moved).
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Changes:
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- `solver.rs`: the Newton refinement of cubic and quartic roots stops after 100 steps. Near a
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double root it could cycle forever: moving a body whose edges a boolean made (the retries
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move both bodies and the result back) hung the app.
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- `lib.rs`: compiler warnings no longer fail the build. Test targets are dropped (their sources
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are not vendored).
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