Commit Graph

2 Commits

Author SHA1 Message Date
Dion Moult 5386c9ec69 ifcviewer: add stage 3+4 data model and compose helpers to Federation
Adds the structs that were briefly in src/ifcviewer/Federation.{h,cpp}
two commits ago, now folded into the merged Federation alongside the
file persistence layer:

  - FederationConfig: federation-wide unit ({prefix, name}).  Default
    METRE; one-of an IfcSIUnit name with optional prefix or an
    IfcConversionBasedUnit name.
  - FederationOrigin: stage 3 — XYZ in federation unit + Z-rot.
    Composes to R_z · T(-xyz_meters), nominating a point as origin.
  - AFrame + ModelTransform: stage 4 intent — A (model project or
    map unit, per a_frame), B and pivot (federation unit), full
    intrinsic-XYZ Euler rotation in degrees.
  - ModelUnits: per-model project_length_to_meters / map_unit_to_meters
    cached at load time.

Free functions composeFederationOrigin and composeModelTransform
return Eigen::Matrix4d in metres.  composeModelTransform takes the
model's stage-2 georef matrix so it can lift `a` into metres when
authored in ModelLocal.

Federation gains config_, origin_ members + setters that emit
dirtyChanged.  Each Model carries a transform_intent.  JSON I/O
emits config / origin always; transform_intent only when non-default.
Schema stays "ifcfed/1" — additive, optional, sane defaults.

Five new tests: round-trip of the new fields, default-omission
behaviour, two compose smoke tests for FederationOrigin, and one
verifying the "pivot at B preserves A→B" invariant of
composeModelTransform.  All 36 ctest cases pass.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-01 15:15:37 +10:00
Dion Moult ecf0a5a4e1 ifcviewer: merge Federation classes into the lib
Move src/ifcviewer-full/Federation.{h,cpp} (and its tests) into
src/ifcviewer/ so the lib stays the single source of truth for the
federation data model.  Restores the original "agnostic lib usable
from ifcviewer-full and ifcviewer-minimal alike" framing.

Drop the unused per-model transform[16] / has_transform field — it
was round-trip-only with no UI to author it, and is being replaced
by an intent-based ModelTransform in the next commit.  No real
.ifcfed in the wild populated this field; old files still load
(unknown JSON keys ignored), they just lose the unused transform.

Replaces the pure-data-model Federation.{h,cpp} that was added a
few commits earlier — that file's structs and compose helpers
return as part of the merged Federation in commit 6.

ifcviewer-full's per-app tests dir is removed (test_federation was
the only one); BUILD_IFCVIEWER_TESTS now wires test_federation in
under src/ifcviewer/tests/, with the Qt6::Core/Gui/Test dependency
declared inline since unlike the other Tier-1 tests it has to pull
Qt in.  All 31 tests pass.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-01 14:41:41 +10:00