======================================================================= INSTALL

1. cd build
2. cmake .. -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_TYPE=Release

parameters - BUILD_SHARED_LIBS (ON|OFF) - CMAKE_BUILD_TYPE (Debug|Release) - CMAKE_INSTALL_PREFIX (/usr/local)

3. make
4. make test
5. make install

Or just simply,

perl ./scripts/install

======================================================================= USAGE

#include <geohash.h>

/* Get Hash */ char *hash; hash = GEOHASH_encode(latitude, longitude, length); ... free(hash);

/* Get Area by Hash */ GEOHASH_area *area; area = GEOHASH_decode("dqcw5");

/* You can get the range of both latitude and longitude

area->latitude.max; area->latitude.min; area->longitude.max; area->longitude.min;

*/ GEOHASH_free_area(area);

/* Get Adjacent Hash by Origin's Hash and Direction*/ char adjacent_hash; / You can choose direction from GEOHASH_NORTH, GEOHASH_SOUTH, GEOHASH_EAST, and GEOHASH_WEST */ adjacent_hash = GEOHASH_get_adjacent("dqcw5", GEOHASH_NORTH); ... free(adjacent_hash);

/* Get Neighbors' Hash by Origin's Hash */ GEOHASH *neighbors; neighbors = GEOHASH_get_neighbors("dqcw5");

/* You can get hashes of each direction's neighbor neighbors->north; neighbors->north_east; neighbors->north_west; neighbors->south; neighbors->south_east; neighbors->south_west; neighbors->east; neighbors->west; */ GEOHASH_free_neighbors(neighbors);