Provided value to use to determine the proper spatial reference system to use in geometric analysis. Providing an SRID value such as 5070 or a US state code such as MN will skip the sometimes expensive determination of the correct SRID for the feature. However, if the feature does not actually apply to the provide known_region hint, then indexing may fail or return incorrect results. If in doubt, leave this parameter blank.
known_region is a JSON Structure definition published by EPA — U.S. Environmental Protection Agency. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.
{
"$schema": "https://json-structure.org/meta/core/v0/#",
"$id": "https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/cip-service-known-region-structure.json",
"name": "known_region",
"description": "Provided value to use to determine the proper spatial reference system to use in geometric analysis. Providing an SRID value such as 5070 or a US state code such as MN will skip the sometimes expensive determination of the correct SRID for the feature. However, if the feature does not actually apply to the provide known_region hint, then indexing may fail or return incorrect results. If in doubt, leave this parameter blank.\n",
"type": "string"
}
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