terrainAltitude property
Map-based altitude measurement in meters.
Provides altitude data derived from digital elevation models and map data rather than GPS sensors. This value may be more accurate than GPS altitude, particularly in urban areas or where high-quality topographic data is available.
The terrain altitude can be positive (above sea level) or negative (below sea level) and may differ from the GPS-derived altitude.
Returns
- double: Terrain altitude in meters (can be negative)
See also:
- altitude: GPS-derived altitude for comparison
- hasTerrainData: Check if terrain data is available
Implementation
double get terrainAltitude;