feat(units): imperial min-distance gate + imperial map grid

Follow the global Units preference in the two remaining Trail distance
spots that were still metric-only:

- Min dist gate: the index is now a unit-agnostic level (0=finest..3).
  Metric stays 5/10/25/100 m; imperial uses round 15/30/75/300 ft (applied
  as their metre equivalents in the sampling gate).
- Map scale grid: imperial mode uses round ft/mi steps (10 ft … 100 mi)
  instead of metric steps with a converted label. Step storage moved to
  float metres so sub-metre imperial steps keep their geometry; labels come
  from a parallel table so the scale bar reads an exact round value.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-06-04 00:50:42 +02:00
co-authored by Claude Opus 4.8
parent 9ae0828fcb
commit d0d20989a0
4 changed files with 48 additions and 30 deletions
+1 -1
View File
@@ -102,7 +102,7 @@ struct NodePrefs { // persisted to file
// GPS trail cadence. Logging on/off is a runtime state (Tools Trail),
// not a persisted preference.
uint8_t trail_interval_idx; // reserved — sampling cadence is now fixed at TrailStore::SAMPLING_SECS
uint8_t trail_min_delta_idx; // indexes TrailStore::minDeltaMeters (5/10/25/100 m)
uint8_t trail_min_delta_idx; // min-distance gate level (0=finest..3); metres or feet per units_imperial
uint8_t trail_units_idx; // legacy: old combined speed/pace+unit index (km/h, mph, min/km, min/mi)
uint64_t ch_fav_bitmask; // bit i = channel i is marked as favourite