Hi all, Hi Martin :) I didn't know that proj4j itself uses EPSG data. Until now I thought it would be a good alternative lib besides EPSG approach.
So what would be your advise with proj4(j) and how to handle that kind of implementation in an Apache project? Officially it is running on MIT license. Greeting Florian Am Montag, dem 21.11.2022 um 10:39 +0100 schrieb Martin Desruisseaux: > Hello Bertil<br> > > One thing to keep in mind (maybe not to be resolved in this release, but <br> > before graduation). Proj4J (and its parent PROJ project) includes EPSG <br> > data, so the use of Proj4J dependency implies accepting EPSG terms of <br> > use [1]. PROJ claims to be under MIT license, but in my understanding <br> > this is copyright infringement. PROJ license should be MIT + EPSG terms <br> > of use.<br> > > EPSG terms of use is a Category X license for Apache. The use of EPSG <br> > data has been discussed in Apache Legal [2][3]. The conclusion was that <br> > an Apache project can include EPSG data if they are optional (i.e. the <br> > application can still do useful work without them), the main release <br> > does not contain them, and the data are available in a separated <br> > download prominently labelled as under a more restrictive license than <br> > Apache.<br> > > Martin<br> > > [1][https://epsg.org/terms-of-use.html](https://epsg.org/terms-of-use.html)<br> > [2][https://issues.apache.org/jira/browse/LEGAL-183](https://issues.apache.org/jira/browse/LEGAL-183)<br> > [3][https://issues.apache.org/jira/browse/LEGAL-347](https://issues.apache.org/jira/browse/LEGAL-347)<br>
