Glossary

Annotation. Extra values per route segment, for example speed or elevation. Requested with annotations.

Cadastral municipality (KG). Austrian land registry unit. A parcel number is only unique within one KG.

Contours. Lines of equal elevation. Tileset contours.

DEM. Digital elevation model, here stored as Terrain-RGB tiles. See Terrain-RGB.

DSM / DTM. Digital surface model (including buildings and trees) and digital terrain model (bare ground).

Geocoding. Turning an address or place name into coordinates. Reverse geocoding does the opposite.

Glyphs. Font data that MapLibre loads to draw labels. See Styles API.

Isochrone. An area reachable from a point within a given time or distance.

Orthophoto. Rectified aerial photograph.

PMTiles. Single-file archive of tiles, read with HTTP range requests. Every tileset is available as one.

Profile. The kind of traveler for routing: driving, driving-truck, cycling, walking.

Sprite. Image atlas with the icons of a style.

Style. A JSON document that tells the map which data to draw and how. mapx offers streets, satellite and outdoors.

Tile. A square piece of map addressed as {z}/{x}/{y}. See Tile scheme.

TileJSON. A small JSON description of a tileset: URL template, zoom range, bounds, attribution.

Tileset. A named collection of tiles, for example streets or cadastre. See Tilesets.