Public reference tests: analytic and FreeCAD expected values (#310)

The oracle no longer uses Fusion measurements. tests/oracle/<case>/ now holds the 76 recipes
(our own format, with recorded measurements and tool-specific fields removed) and an
expected.json per case:

- 55 analytic cases: closed-form values from tools/oracle-analytic/ (stdlib Python, formulas
  in each case's "method").
- 21 FreeCAD cases: the same recipe built with FreeCAD's public scripting API by
  tools/freecad-oracle/ (an external program, not a dependency), with a reference.stl for 20.

solvecraft-cli oracle compares body count, volume, area, centre of mass, bbox, face counts
where the geometry fixes them, and, against reference.stl, the sampled Hausdorff distance and
the principal moments (spatial.rs from #301). cargo xtask oracle reads tests/oracle, writes
docs/oracle.md with the source of each value, and supports known_failure marks for tracked
bugs. CI runs it on every PR; a manual workflow regenerates the FreeCAD values. step-corpus,
seam normalisation and the through-all emulation, which only existed to compare with Fusion,
are removed.

75/76 pass; 75-sm-bracket-holes is a known failure (#296).


Claude-Session: https://claude.ai/code/session_01RjGw4gA5ZvKrU8MQP6sBgT

Co-authored-by: bherbruck <[email protected]>
Co-authored-by: Claude Opus 5.5 <[email protected]>
This commit is contained in:
authored and GitHub committed 2026-10-12 10:43:43 -04:00
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@@ -18,88 +18,3 @@ display on the resulting body.
## IGES
IGES 5.3 files (`.igs`/`.iges`) open, insert and drop the same way: `crates/kernel/src/iges_in.rs` (written from the published specification) restates the file as STEP and the STEP reader reads it, so the feature holds STEP text. Read: manifold solid B-reps (186) with their shells, faces, loops, edge and vertex lists; trimmed (144) and bounded (143) surfaces, and bare B-spline patches, sewn into a solid by their shared edges (an open body when they do not close); lines, circular arcs, ellipses, composite curves, rational B-spline curves; planes (108, 190), cylinders, cones, spheres, tori, rational B-spline surfaces, surfaces of revolution and tabulated cylinders; transformation matrices; units; colours (314 and the predefined numbers); body names (name properties, else labels). Not read yet: ruled and offset surfaces, curves on surfaces given only in parameter space. Export (`file.export` to `.igs`) writes each body as a manifold solid B-rep on the same surfaces a STEP export uses, with its name and colour.
## Fusion corpus
Generated by `cargo xtask step-corpus`. Each case is a part exported from Fusion as STEP (AP214; kept locally in `plan/fusion/oracle/`, never committed). SolidCraft opens `part.step` exactly as File → Open does (an Import base feature) and compares with Fusion's own measurements: body count, volume and area (relative tolerance 1e-3) and the number of faces read from the file.
**76 / 76 files pass.**
| Case | Result | Bodies | Volume mm³ (got / Fusion) | Area mm² (got / Fusion) | Faces (got / Fusion) | ms | Notes |
|---|---|---|---|---|---|---|---|
| 01-box | pass | Box | 24000.000 / 24000.000 | 5200.000 / 5200.000 | 6 / 6 | 3 | |
| 02-cylinder | pass | Cylinder | 35339.429 / 35342.917 | 6125.845 / 6126.106 | 3 / 3 | 87 | |
| 03-box-through-hole | pass | Box | 45738.283 / 45738.053 | 9327.809 / 9327.788 | 7 / 7 | 62 | |
| 04-revolve-vase | pass | Vase | 112488.847 / 112499.479 | 13156.093 / 13156.615 | 5 / 5 | 511 | |
| 05-taper-extrude | pass | Frustum | 61814.826 / 61814.826 | 9676.915 / 9676.915 | 6 / 6 | 2 | |
| 06-symmetric-extrude | pass | Block | 30000.000 / 30000.000 | 6200.000 / 6200.000 | 6 / 6 | 1 | |
| 07-fillet-all-edges | pass | Box | 23340.621 / 23340.849 | 4726.220 / 4726.265 | 26 / 26 | 532 | |
| 08-chamfer | pass | Box | 23730.667 / 23730.667 | 5029.352 / 5029.352 | 10 / 10 | 3 | |
| 09-shell | pass | Box | 13632.000 / 13632.000 | 13992.000 / 13992.000 | 11 / 11 | 2 | |
| 10-rect-pattern-holes | pass | Plate | 29803.713 / 29803.540 | 14652.481 / 14652.389 | 18 / 18 | 252 | |
| 11-circular-pattern-flange | pass | Flange | 66758.144 / 66758.844 | 19320.617 / 19320.795 | 10 / 10 | 168 | |
| 12-mirror-feature | pass | Base | 21392.575 / 21392.920 | 6530.944 / 6530.973 | 10 / 10 | 80 | |
| 13-combine-join | pass | A | 45570.295 / 45571.680 | 8634.196 / 8634.336 | 9 / 9 | 43 | |
| 14-combine-cut | pass | A | 42933.034 / 42931.417 | 9706.783 / 9706.858 | 7 / 7 | 402 | |
| 15-combine-intersect | pass | A | 54452.172 / 54454.273 | 7382.532 / 7382.743 | 7 / 7 | 1022 | |
| 16-sweep | pass | Tube | 2584.428 / 2584.724 | 1779.638 / 1779.698 | 5 / 5 | 612 | |
| 17-loft | pass | Loft | 35121.595 / 35125.498 | 6495.373 / 6495.000 | 6 / 6 | 191 | |
| 18-hole-features | pass | Plate | 33890.908 / 33890.710 | 8568.695 / 8568.696 | 13 / 13 | 184 | |
| 19-l-bracket-constrained | pass | LBracket | 14720.000 / 14720.000 | 5472.000 / 5472.000 | 8 / 8 | 2 | |
| 20-slot-constrained | pass | Slot | 2965.428 / 2965.487 | 1774.644 / 1774.690 | 6 / 6 | 15 | |
| 21-draft | pass | Box | 54574.737 / 54574.737 | 8781.998 / 8781.998 | 6 / 6 | 1 | |
| 22-split-body | pass | Cyl, Cyl (1) | 75390.813 / 75398.224 | 12954.440 / 12955.175 | 6 / 6 | 109 | |
| 23-bracket-multifeature | pass | Bracket | 59331.477 / 59331.129 | 18290.767 / 18290.737 | 19 / 19 | 117 | |
| 24-user-parameters | pass | Block | 34822.022 / 34821.903 | 8114.175 / 8114.159 | 7 / 7 | 58 | |
| 25-sketch-triangle | pass | Triangle | 4032.155 / 4032.155 | 2274.099 / 2274.099 | 5 / 5 | 1 | |
| 26-sketch-belt | pass | Belt | 11326.042 / 11326.170 | 5637.347 / 5637.404 | 7 / 7 | 42 | |
| 27-sketch-trapezoid | pass | Trapezoid | 5342.286 / 5342.257 | 3066.961 / 3066.946 | 8 / 8 | 53 | |
| 28-blind-pocket-fillets | pass | Block | 84299.345 / 84299.249 | 16279.560 / 16279.572 | 23 / 23 | 320 | |
| 29-two-sided-and-partial-revolve | pass | Block | 25731.356 / 25731.307 | 6312.589 / 6312.602 | 12 / 12 | 26 | |
| 30-fillet-after-shell | pass | Box | 21745.915 / 21745.876 | 14968.284 / 14968.332 | 27 / 27 | 464 | |
| 31-fillet-l-all-edges | pass | L | 14321.483 / 14321.626 | 5024.004 / 5024.045 | 38 / 38 | 747 | |
| 32-boss-plate-fillets | pass | Part | 33590.273 / 33590.350 | 9929.854 / 9929.864 | 10 / 10 | 1214 | |
| 33-fillet-tangent-chain | pass | Slot | 8237.037 / 8237.122 | 2793.541 / 2793.569 | 14 / 14 | 555 | |
| 34-chamfer-then-fillet | pass | Box | 22892.383 / 22892.421 | 4753.677 / 4753.688 | 18 / 18 | 54 | |
| 35-fillet-curved-curved | pass | Tee | 63169.685 / 63171.443 | 10269.168 / 10269.348 | 6 / 6 | 904 | |
| 36-corner-blend-two-radii | pass | Box | 57799.504 / 57800.240 | 8585.437 / 8585.524 | 18 / 18 | 519 | |
| 37-pyramid-apex-blend | pass | Pyramid | 15465.376 / 15465.575 | 3914.529 / 3914.581 | 18 / 18 | 312 | |
| 38-coincident-cylinders | pass | A | 15706.406 / 15707.963 | 3769.760 / 3769.911 | 3 / 3 | 67 | |
| 39-tee-pipe | pass | Tee | 24095.763 / 24096.237 | 16709.772 / 16710.048 | 7 / 7 | 182 | |
| 40-box-sphere-torus | pass | A | 36287.558 / 36287.433 | 10696.143 / 10696.165 | 10 / 10 | 2393 | |
| 41-tube-radial-holes | pass | Tube | 20243.046 / 20243.981 | 14873.689 / 14873.773 | 22 / 22 | 1409 | |
| 42-overlapping-patterns | pass | Plate | 38488.411 / 38487.064 | 21687.215 / 21686.603 | 43 / 43 | 533 | solid 'Plate': imported as an open body (the shell is not closed) |
| 43-cut-splits-body | pass | Bar, Bar (1) | 28000.000 / 28000.000 | 7200.000 / 7200.000 | 12 / 12 | 5 | |
| 44-shell-l-bracket | pass | L | 8384.000 / 8384.000 | 8784.000 / 8784.000 | 15 / 15 | 3 | |
| 45-shell-boss-plate | pass | Part | 13676.354 / 13676.602 | 14156.531 / 14156.602 | 15 / 15 | 69 | |
| 46-shell-two-open-faces | pass | Box | 16044.000 / 16044.000 | 11398.000 / 11398.000 | 10 / 10 | 3 | |
| 47-draft-curved-pocket | pass | Block | 111387.998 / 111387.712 | 17700.336 / 17700.361 | 11 / 11 | 27 | |
| 48-pulley | pass | Pulley | 168508.160 / 168510.841 | 23718.215 / 23718.644 | 12 / 12 | 321 | |
| 49-helical-sweep | pass | Spring | 4733.931 / 4738.099 | 4765.903 / 4767.652 | 3 / 3 | 10552 | solid 'Spring': face wrapping around a closed surface kept whole: split line does not reach the rings |
| 50-sweep-tight-bend | pass | Bend | 3758.025 / 3758.443 | – / – | 5 / 5 | 405 | |
| 51-loft-rect-circle-offset | pass | Loft | 61129.957 / 61133.116 | 9412.473 / 9411.655 | 6 / 6 | 251 | |
| 52-circular-pattern-fillet | pass | Hub | 47206.182 / 47206.850 | 14141.988 / 14142.171 | 21 / 21 | 820 | |
| 53-path-pattern | pass | Plate | 35010.499 / 35010.398 | 16463.947 / 16463.894 | 13 / 13 | 130 | |
| 54-mirror-body-fillets | pass | Bracket | 22780.113 / 22780.089 | 6972.831 / 6972.832 | 12 / 12 | 98 | |
| 55-tapped-hole-cosmetic | pass | Plate | 17542.360 / 17542.314 | 4761.590 / 4761.596 | 8 / 8 | 84 | |
| 56-holes-on-curved-face | pass | Cyl | 77941.171 / 77942.388 | 10592.951 / 10593.139 | 7 / 7 | 378 | |
| 57-hole-pattern-sketch-points | pass | Plate | 36767.029 / 36766.712 | 11818.165 / 11818.153 | 24 / 24 | 197 | |
| 58-phone-stand | pass | Stand | 74559.442 / 74559.177 | 29148.741 / 29148.785 | 19 / 19 | 24 | |
| 59-enclosure-base | pass | Enclosure | 34309.038 / 34309.486 | 33795.405 / 33795.610 | 39 / 39 | 286 | |
| 60-pipe-flange | pass | Flange | 323661.027 / 323660.979 | 56984.270 / 56984.564 | 16 / 16 | 993 | |
| 61-shaft-keyway | pass | Shaft | 47521.504 / 47525.946 | 9676.781 / 9677.096 | 14 / 14 | 182 | |
| 62-heat-sink | pass | HeatSink | 43125.000 / 43125.000 | 45725.000 / 45725.000 | 66 / 66 | 8 | |
| 63-hinge-knuckle | pass | Hinge | 4783.029 / 4783.117 | 4110.255 / 4110.287 | 14 / 14 | 118 | |
| 64-sketch-tangent-arc-chain | pass | Wave | 4800.000 / 4800.000 | 3843.701 / 3843.712 | 9 / 9 | 10 | |
| 65-sketch-gear-tooth | pass | Tooth | 3987.831 / 3988.084 | 1945.416 / 1945.485 | 9 / 9 | 8 | |
| 66-sketch-linkage | pass | Link | 8045.410 / 8045.386 | 4308.172 / 4308.175 | 10 / 10 | 129 | |
| 67-sm-base-flange | pass | Body1 | 15000.000 / 15000.000 | 12800.000 / 12800.000 | 6 / 6 | 2 | |
| 68-sm-edge-flange | pass | Body1 | 18972.476 / 18972.622 | 16057.518 / 16057.550 | 14 / 14 | 26 | |
| 69-sm-tray | pass | Body1 | 29665.828 / 29666.234 | 24979.993 / 24980.086 | 46 / 46 | 66 | |
| 70-sm-flange-45 | pass | Body1 | 18450.704 / 18450.777 | 15629.621 / 15629.637 | 14 / 14 | 14 | |
| 71-sm-custom-rule | pass | Body1 | 10053.579 / 10053.717 | 13896.249 / 13896.299 | 22 / 22 | 38 | |
| 72-sm-contour-flange | pass | Body1 | 12097.478 / 12097.622 | 10411.968 / 10412.002 | 22 / 22 | 36 | |
| 73-sm-hem | pass | Body1 | 21334.478 / 21334.723 | 17994.397 / 17994.473 | 22 / 22 | 60 | |
| 74-sm-unfold-refold | pass | Body1 | 15800.086 / 15800.304 | 13610.275 / 13610.326 | 32 / 32 | 84 | |
| 75-sm-bracket-holes | pass | Body1 | 13915.866 / 13916.012 | 12035.934 / 12035.962 | 25 / 25 | 100 | |
| 76-sm-thickness-variant | pass | Body1 | 22520.368 / 22520.575 | 16064.089 / 16064.128 | 14 / 14 | 31 | |