Compare and test data?

[zvezdochiot]

Hi @dr-ni .

See public params:

• https://github.com/OSGeo/PROJ/blob/master/data/ITRF2000
• https://github.com/OSGeo/PROJ/blob/master/data/ITRF2008
• https://github.com/OSGeo/PROJ/blob/master/data/ITRF2014
• https://github.com/OSGeo/PROJ/blob/master/src/ellps.cpp
• https://github.com/OSGeo/PROJ/blob/master/src/datums.cpp
• https://github.com/locationtech/proj4j/blob/master/src/main/resources/proj4/ellipsoid.csv
• https://github.com/locationtech/proj4j/blob/master/src/main/resources/proj4/gcs.csv
• https://github.com/OSGeo/gdal/blob/master/data/gt_ellips.csv
• https://github.com/OSGeo/gdal/blob/master/data/gt_datum.csv
• https://github.com/OSGeo/gdal/blob/master/data/pci_ellips.txt
• https://github.com/ofmooseandmen/jord/blob/master/resources/transformations.txt

[zvezdochiot]

Hi @dr-ni .

See also https://www.researchgate.net/publication/354478414_Investigation_into_the_accuracy_and_practicality_of_methods_for_transforming_coordinates_between_geodetic_datums_PhD_thesis_book-format_edition page 17.