SPheroidal coordinates Regridding INterpolation table Generator (SPRING) is a software for remapping grid data. Packages can be obtained from this page, GitHub (only source codes from GitHub) or the server (only for those who have accounts). User's guide + SPRING_doc.v02.04.02_251113.pdf Source code + SPRING.v02.04.03.tar.gz + GitHub - isotope3 server: /data7/akira/SPRING/pkg/SPRING.v02.04.02.tar.gz Sample data (~1.4 GB zipped, ~27 GB unzipped) + SPRING_data.v02.04.03.tar.gz - isotope3 server: /data7/akira/SPRING/dat/SPRING_data.v02.04.02.tar.gz