Module pm_spec

gistools::readers::pmtiles

Module pm_spec

Expand description

PM Tiles Specific Tools

Structs§

PMDirectory: PMTiles v3 directory. A collection of Entry instances for storage
PMEntry: PMTiles v3 directory entry.
PMHeader: PMTiles v3 header storing basic archive-level information.
PMPoint2D: An array of two numbers representing a point in 2D space
PMTilePos: A tile, in the format of ZXY

Enums§

PMTileType: Describe the type of tiles stored in the archive. 0 is unknown/other, 1 is “MVT” vector tiles.

Constants§

PM_HEADER_SIZE_BYTES: the number of bytes in the header
PM_ROOT_SIZE: the number of bytes in the root
PM_TZ_VALUES: zoom values for each zoom level. Supports up to 27 zooms

Functions§

find_tile: Low-level function for looking up a tile_id or leaf directory inside a directory.
rotate: rotate xy by n