Commit Graph
2 Commits
Author SHA1 Message Date
zwitschi 103042fca7 docs: pin QGIS 4.2.3 and compute the projected origin with PROJ
QGIS stable is 4.2.3 on the current KDE runtime; the stale 3.28.9 lts install
stays flagged for removal. PROJ 9.9.0 from that flatpak turns the recorded
origin into E 376515.389 / N 3774224.083 (NAD83 UTM 11N), with six control
points whose projected spans reproduce the OSM footprint measurements. Engine
decision recorded: 5.8.4 is downloading, 5.2.0 stays only as a fallback.
2026-11-06 22:58:06 +01:00
zwitschi 255c1a9e86 geo: measure the block street profile and fix the local CRS and origin
New Geo/scripts/street_profile.py measures the 279.4 m block centreline, the
three signalised crossings (20.9-25.9 m across), sidewalk centrelines at 12.6 m
and 13.6 m, and per-building setbacks of 13.0-15.8 m. Derived sidewalk widths
of ~4.0 m south and ~5.3 m north cross-check against the mapped centrelines.

Geo/manifests/local-origin.md fixes EPSG:26911 and the Highland intersection
node as origin, defines the axes and the x100 metre-to-centimetre rule, and
leaves the projected pair blank because PROJ is not installed here.

Records the lane-count discrepancy (4 tagged lanes over a 20.9 m carriageway).
2026-11-06 22:23:44 +01:00