Строка proj выглядит так:
Код: Выделить всё
+proj=longlat +ellps=krass +towgs84=23.57,-140.95,-79.8,0,0.35,0.79,-0.22 +no_defs
Код: Выделить всё
BOUNDCRS[
SOURCECRS[
GEOGCRS["unknown",
DATUM["Unknown based on Krassovsky, 1942 ellipsoid",
ELLIPSOID["Krassovsky, 1942",6378245,298.3,
LENGTHUNIT["metre",1,
ID["EPSG",9001]]]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8901]],
CS[ellipsoidal,2],
AXIS["longitude",east,
ORDER[1],
ANGLEUNIT["degree",0.0174532925199433,
ID["EPSG",9122]]],
AXIS["latitude",north,
ORDER[2],
ANGLEUNIT["degree",0.0174532925199433,
ID["EPSG",9122]]]]],
TARGETCRS[
GEOGCRS["WGS 84",
DATUM["World Geodetic System 1984",
ELLIPSOID["WGS 84",6378137,298.257223563,
LENGTHUNIT["metre",1]]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
CS[ellipsoidal,2],
AXIS["latitude",north,
ORDER[1],
ANGLEUNIT["degree",0.0174532925199433]],
AXIS["longitude",east,
ORDER[2],
ANGLEUNIT["degree",0.0174532925199433]],
ID["EPSG",4326]]],
ABRIDGEDTRANSFORMATION["Transformation from unknown to WGS84",
METHOD["Position Vector transformation (geog2D domain)",
ID["EPSG",9606]],
PARAMETER["X-axis translation",23.57,
ID["EPSG",8605]],
PARAMETER["Y-axis translation",-140.95,
ID["EPSG",8606]],
PARAMETER["Z-axis translation",-79.8,
ID["EPSG",8607]],
PARAMETER["X-axis rotation",0,
ID["EPSG",8608]],
PARAMETER["Y-axis rotation",0.35,
ID["EPSG",8609]],
PARAMETER["Z-axis rotation",0.79,
ID["EPSG",8610]],
PARAMETER["Scale difference",0.99999978,
ID["EPSG",8611]]]]