Dear all, Following posts on Binder - mybinder.org [1] and CoCalc - cocalc.com [2, 3], I would like to introduce also rollApp - rollapp.com, another alternative for "Try online" link. It is a freemium service providing access to many (mostly) open source applications through a web browser (i.e., in cloud). You need to log in (e.g., with Google Account) to access it and you can't save data without purchasing a plan, but you can run applications and access the Internet. (With a plan, you can connect different storage such as Drobox or Google Drive.)
It can run GRASS GIS for couple years already. You can try it here: https://www.rollapp.com/app/grassgis (page with a Launch button) https://www.rollapp.com/launch/grassgis (direct link with possibly sub-optimal results) [1] https://lists.osgeo.org/pipermail/grass-dev/2019-August/093053.html [2] https://lists.osgeo.org/pipermail/grass-dev/2019-August/093058.html [3] https://lists.osgeo.org/pipermail/grass-dev/2019-December/093910.html Right now, it would not work well as a "try online" tool, but it could. Continue reading if you want to know details. I worked with them in the past I bit and made some fixes in GRASS GIS which helped rollApp to start GRASS GIS. https://trac.osgeo.org/grass/changeset/70461 https://trac.osgeo.org/grass/changeset/70335 https://trac.osgeo.org/grass/changeset/70336 https://trac.osgeo.org/grass/changeset/70450 https://trac.osgeo.org/grass/changeset/70357 Some additional commits since then (for example, removal of tput) also improved start in environments such as rollApp. https://github.com/OSGeo/grass/commit/5c46b130ea50df148ebc73699974c2a621e15e4b One ongoing issue (which is possibly relevant to CoCalc, too) is that GRASS GIS can start only with terminal. You can reproduce the issue locally on Linux using `nohup grass` or, at least on Ubuntu with Unity, by pressing Ctrl+F2 and typing "grass". https://trac.osgeo.org/grass/ticket/3295 Nevertheless, you can start GRASS GIS even with free account, in the startup screen change the database directory to /tmp, download a sample location, and start GRASS GIS. I think the GUI is little bit faster than in CoCalc. The command line is worse than what you have in CoCalc (fixed size xterm versus in-browser one). There is couple things which can be done in GRASS GIS or in rollApp to make this a great "try online" option (even perhaps as a secondary one in case we want to favor an open source platform). In any case, I would like to find a place on the new website to have rollApp listed as one option for using GRASS GIS online. Let me know what you think, Vaclav
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