You’re not to blame. I think that the license of Proj4j is deceptive, because use requires explicit user consent.
I’m sure the developers of Proj4j have the best of intentions. They are caught between a rock and a hard place: they want to provide rich functionality as open source, but the only data set that describes the exact shape of the not-quite-spherical earth was constructed at great cost by petro companies and is now controlled by those companies’ lawyers. Julian > On Nov 23, 2022, at 09:12, Bertil Chapuis <[email protected]> wrote: > > Sorry for including this dependency in Calcite. I wasn’t aware of this issue > with EPSG until we discussed the draft release of Apache Baremaps. > > I will make a PR to remove it and I will try to find a work around for future > releases. > > Bertil > >> On 23 Nov 2022, at 17:31, Julian Hyde <[email protected]> wrote: >> >> Bertil has logged https://issues.apache.org/jira/browse/CALCITE-5399 >> describing a licensing issue with the Proj4j library, which we added as a >> dependency in the last release. Though it describes itself as Apache >> licensed, it embeds a data set (EPSG) that requires the user to agree to its >> terms of use. >> >> Julian >
