Tile Map Service Specification - OSGeo - Open Source …
https://wiki.osgeo.org/wiki/Tile_Map_Service_Specification
Spatial Referencing SystemsSpatial referencing systems for the tile map service will be defined using the EPSG database as a reference for "well-known" projections, subject to interpretations, given below. There are two substantial implementation issues with using the EPSG database as a source of truth for spatia… Maximizing CacheabilityTile maps are usually base maps, and usually represent data that changes on a very slow cycle. They are also usually large in volume, comprising potentially millions of different tiles. Given these basic facts, the aggressive use of caching strategies can optimize performance of tile map servi…
Spatial Referencing SystemsSpatial referencing systems for the tile map service will be defined using the EPSG database as a reference for "well-known" projections, subject to interpretations, given below. There are two substantial implementation issues with using the EPSG database as a source of truth for spatia…
Maximizing CacheabilityTile maps are usually base maps, and usually represent data that changes on a very slow cycle. They are also usually large in volume, comprising potentially millions of different tiles. Given these basic facts, the aggressive use of caching strategies can optimize performance of tile map servi…
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