ors.engine.elevation
Settings related to elevation information for graph building.
| key | type | description | default value |
|---|---|---|---|
| preprocessed | boolean | Toggles reading of OSM ele node tags on and off. If enabled, graphhoppers' elevation lookup is prevented and all nodes without ele tag will default to 0. Intended to be used in combination with the ORS preprocessor | false |
| cache_clear | boolean | Keep elevation data once it has been downloaded | false |
| provider | string | The name of an elevation provider. Possible values are multi, cgiar or srtm | multi |
| cache_path | string | The path to a directory in which SRTM tiles will be stored | ./elevation_cache |
| data_access | string | Defines how a DataAccess object is created. - MMAP: memory mapped storage - RAM_STORE: in-memory storage with a safe/flush option. Can be used for small areas Further info in the source code | MMAP |