trails/openspec/changes/osm-overlays/specs/osm-tile-overlays/spec.md
Ullrich Schäfer 0a330e4466
Break up route-features into focused specs, add new changes
Archive the monolithic route-features spec and replace with 9 focused
OpenSpec changes: multi-day-routes, waypoint-notes (with POI snapping),
undo-redo, local-dev-stack, route-sharing, route-discovery,
activity-photos, osm-overlays, plus the existing changelog and
komoot-import.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-29 09:53:41 +02:00

68 lines
3.1 KiB
Markdown

## ADDED Requirements
### Requirement: Hillshading overlay
The Planner map SHALL offer a hillshading tile overlay that visualizes terrain relief.
#### Scenario: Enable hillshading
- **WHEN** a user toggles "Hillshading" in the layer switcher
- **THEN** semi-transparent terrain shading tiles are rendered on top of the base layer
#### Scenario: Hillshading with any base layer
- **WHEN** hillshading is enabled and the user switches base layers
- **THEN** hillshading remains visible on top of the new base layer
### Requirement: Waymarked Trails cycling overlay
The Planner map SHALL offer a Waymarked Trails cycling overlay showing official cycle route networks.
#### Scenario: Enable cycling routes overlay
- **WHEN** a user toggles "Cycling Routes" in the layer switcher
- **THEN** official cycling routes (EuroVelo, national networks) are rendered as colored lines on the map from Waymarked Trails tiles
#### Scenario: Cycling overlay at different zoom levels
- **WHEN** cycling routes overlay is enabled
- **THEN** international routes are visible at low zoom and local routes appear at higher zoom levels
### Requirement: Waymarked Trails hiking overlay
The Planner map SHALL offer a Waymarked Trails hiking overlay showing official hiking trail networks.
#### Scenario: Enable hiking routes overlay
- **WHEN** a user toggles "Hiking Routes" in the layer switcher
- **THEN** official hiking trails (GR routes, national trails) are rendered as colored lines on the map
### Requirement: Waymarked Trails MTB overlay
The Planner map SHALL offer a Waymarked Trails MTB overlay showing official mountain bike trail networks.
#### Scenario: Enable MTB routes overlay
- **WHEN** a user toggles "MTB Routes" in the layer switcher
- **THEN** official MTB trails are rendered as colored lines on the map
### Requirement: Multiple simultaneous overlays
The Planner map SHALL support enabling multiple tile overlays at the same time.
#### Scenario: Hillshading plus cycling routes
- **WHEN** a user enables both "Hillshading" and "Cycling Routes"
- **THEN** both overlays are visible simultaneously, with cycling routes rendered above hillshading
### Requirement: Overlay tile attribution
Each tile overlay SHALL display proper attribution when enabled.
#### Scenario: Attribution updates
- **WHEN** an overlay is toggled on
- **THEN** its attribution text is added to the map attribution control
- **WHEN** the overlay is toggled off
- **THEN** its attribution text is removed
### Requirement: Profile-aware overlay suggestions
The Planner SHALL auto-enable relevant tile overlays when the routing profile changes.
#### Scenario: Switch to cycling profile
- **WHEN** the routing profile is changed to a cycling variant
- **THEN** the Waymarked Trails cycling overlay is automatically enabled
#### Scenario: Switch to hiking profile
- **WHEN** the routing profile is changed to a hiking variant
- **THEN** the Waymarked Trails hiking overlay is automatically enabled
#### Scenario: User can disable auto-enabled overlays
- **WHEN** an overlay was auto-enabled by a profile change
- **THEN** the user can manually disable it and it stays disabled until the next profile change