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Dion Moult
cf3f3c2c00
Promotes five env-var-driven knobs to AppSettings + the settings dialog (min pixel radius, motion min pixel radius, LOD1 pixel threshold, HiZ resolution, HiZ on/off). Defaults: motion min pixel radius is now 10 (was 0/disabled) and IFC_HIZ_MOTION is on by default — the strict view-projection gate reverts via env var =0 when chasing HiZ correctness bugs. ViewportWindow connects each *Changed signal so changes invalidate cached cull state and take effect on the next frame. Removes "Load Property Data Source" and "Apply Coordinate Operation" from the settings dialog: both are now hardcoded on. The basic-info property fallback (used when there's no live IFC source for an object, e.g. .ifcview without a sibling) now triggers organically when ElementRegistry::findEntity returns null instead of being gated on a user toggle. Federation::guessFederatedFalseOrigin lost its apply_coordinate_operation parameter and now uses georef.has_coordinate_operation directly. src/ifcviewer/settings.rst documents the remaining diagnostic env vars (IFC_HIZ_MOTION, IFC_CULL_THREADS, IFC_SKIP_MDI, IFC_MAX_SUBDRAWS, IFC_FPS_HITCH_MS, IFC_SUBDRAW_DIAG, IFC_LOD_*) plus a cross-walk from the old promoted-knob env-var names to their new QSettings keys. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>