Helper functions for identifying and manipulating Coordinate Reference Systems.
Helper functions for identifying and manipulating Coordinate Reference Systems.
(create-transform c1 c2)
Creates a proj4j transform between two projection systems. c1 or c2 can be:
Creates a proj4j transform between two projection systems. c1 or c2 can be: - integers (which will be interpreted as that EPSG) - a string identifier for types EPSG:XXXX, ESRI:XXXX, WORLD:XXXX, NAD83:XXXX, or NAD27:XXXX - proj4 string.
(crs-name? crs-str)
Check if input is a valid CRS name accepted by proj4j.
Accepted CRS names are in the forms: EPSG:xxxx, ESRI:xxxx, NAD83:xxxx, NAD27:xxx, or WORLD:xxxx.
Check if input is a valid CRS name accepted by proj4j. Accepted CRS names are in the forms: EPSG:xxxx, ESRI:xxxx, NAD83:xxxx, NAD27:xxx, or WORLD:xxxx.
(epsg-str->srid epsg)
Converts EPSG string to SRID, if possible.
Converts EPSG string to SRID, if possible.
(proj4-string? crs-str)
Check if input appears to be a proj4 string
Check if input appears to be a proj4 string
Convert an SRID integer to EPSG string.
Convert an SRID integer to EPSG string.
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