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gig-line/Docs/Architecture/12_glossary.md
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zwitschi 5aa883eaff docs: convert all architecture .adoc sections to markdown, prettier-format all .md
- Converted 13 individual .adoc section files to .md via
  asciidoctor→docbook5→pandoc(gfm) + post-processing, placed alongside
  the .adoc sources in Docs/Architecture/
- Rebuilt architecture.md from the individual section .md files
- Ran prettier --write on all .md in the repo (23 files changed):
  normalised table column alignment, trailing whitespace, line breaks
- Added .agents/ to .prettierignore (vendored third-party content)
- All .md now passes prettier --check
2026-11-08 13:33:44 +01:00

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Glossary

Term Definition
Blosm Blender add-on (2.7.28) that imports OSM data as 3D building and street blockouts. Used for layout only — not authoritative for façade or height.
Complex-as-simple collision CTF_UseComplexAsSimple: Unreal collision mode where the render mesh triangles are used as the collision surface, instead of a simplified proxy. Required for terrain so the player walks on the actual ground shape.
DEM Digital Elevation Model. 3DEP 1 m resolution GeoTIFF covering the demo bounds. Source of terrain heightfield.
El Capitan El Capitan Entertainment Centre, 6838 Hollywood Blvd. The hero building of the demo.
Enhanced Input Unreal’s modern input system (UE 5+). Uses Input Actions (IA_*) and Input Mapping Contexts (IMC_*) instead of legacy axis/action bindings.
EPSG:26911 UTM zone 11N, the projected CRS used for the demo area. Local origin recorded in Geo/.
Hero façade The detailed, reference-calibrated model of the El Capitan building frontage.
MPFB MakeHuman Plugin for Blender (2.0.18). Generates parametric human base meshes with rigs and baked materials.
ODbL Open Database Licence 1.0. The licence covering OSM-derived data. Requires attribution and may impose share-alike on derivative databases.
PlayerStart Unreal actor that defines where the player pawn spawns. Positioned above grade so the capsule does not embed in the floor on spawn.
QA self-test The -qaselftest command-line switch that runs an automated behaviour check (walk, reset, pause, ground transect) via a core ticker.
Site The terrain, road, sidewalks, kerbs, and crossing markings — the ground-level infrastructure of the demo area.
Squash merge Git merge strategy that compresses all branch commits into one commit on main, keeping a linear history.
Swept transect A QA technique that raycasts vertically at regular intervals along a path (e.g. every 200 cm along both sidewalks and the carriageway) and counts holes (misses). Zero holes = the block is fully walkable.
World Partition Unreal’s world composition system for large open-world levels. Not yet used in 0.1.0 but planned for 0.3.0+ driving routes.
Y convention In Unreal, south = +Y, north = −Y (confirmed from street mesh orientation). In Blender, north = +Y; the ue_metric_v1 export preset flips Y.