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Tommaso BianchiandClaude Opus 5
4d331099de
axis_plane_a/b are filled by the GUI from populate_plane_choices(), whose rows
are XY / XZ / YZ followed by the datum planes, and the row is stored verbatim.
The kernel's base_plane() indexed datum_planes[ref] directly, so the two spaces
were off by three: picking XY resolved to datum plane 0, and picking the first
datum ran past the end and failed with "plane ref not found". The
PlaneIntersection axis type could not work from the GUI at all.
base_plane() now uses the encoding CadFeature::plane_base already uses — 0/1/2
are the base planes through the modeling origin, >=3 indexes datum_planes[ref-3]
— so there is one convention for plane references instead of two. That also
makes two base planes usable, which the previous code rejected as out of scope
even though XY x XZ is an ordinary way to define the X axis.
Removed the dead find_plane lambda directly above it. It was never called and
half-anticipated this exact offset ("if (ref >= 3) // base plane offset"),
which is presumably where the confusion started.
Tests: the existing parallel-planes case encoded the OLD convention, passing
axis_plane_a = 0 to mean "datum 0" — values the GUI cannot produce — so it is
re-based onto rows 3 and 4. Two new cases cover what the GUI actually emits:
base x base (XY x XZ -> X) and base x datum, the latter pinning the +3 offset.
Both verified to FAIL against the previous indexing, at test_caddocument.cpp
:2325 and :2346.
Found by auditing the remaining tools for the index-space defect class that had
already produced three bugs in the GUI; this is the first instance of it
crossing the GUI/kernel boundary.
Suite 143 cases / 1980 assertions (was 141/1972). GUI compiles clean.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
OrcaSlicer tests
Building, running and writing tests is documented on the wiki, under How to Test.
Two files here rather than there, because coding agents only read what is in the repository: