Installation
- Install GDAL 2.4+ compiled with
--with-libtiff=internal --with-geotiff=internal
npm install
for the rest
Configuration
Set ELEVATION_TILE_CACHE_DIR
to the dir you want the GeoTIFF tiles to be cached in
If you want to add an in memory cache of elevation points, set ELEVATION_CACHE_REDIS_URL
to the URL for a Redis server.