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ajandClaude Opus 5.5
311178c15a
Nests converted from another CAM system carry its seam overcut inside the clean contour: the last cut runs on past the contour's own start along its first cut, then a straight jog returns to the start. The ring then touches itself at its seam, so neither the cutting planner nor the overlap analyzer could certify it and the whole plate refused. SeamOvercut recognizes exactly that shape (same line, or same circle and direction) and trims it from an owned copy; the retraced tail encloses no area, so material is unchanged and the drawing is never edited. Any other self-contact still refuses. Arcs of one circle whose centers were each derived from their own endpoints agree only within Epsilon, so their spans are now compared at the seam tolerance: shared spans still refuse as overlap, while arcs that only meet at a joint or lie apart no longer do. Plates with parts nested in other parts' cutouts then failed to route, since the host is cut last and every straight approach from the middle of a crowded cutout crosses a finished neighbour. CuttingNestedOrder tours each host's inner parts as one run ending beside the host's own contours, hosts follow the parts beside them, and learned rules still win. Outside entries are ordered by clear sight lines to the next cut, the look-ahead toward a host is its nearest contour point rather than its centre, a cutout containing the arrival point is routed from that point, and a pass that teaches an order rule ends the round instead of repeating the blocked approach. Tests: SeamOvercutTests and CuttingNestedOrderTests; the cutting-planning, diagnostics and overlap tests in OpenNest.Tests pass (1023 passed, 6 skipped). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>