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GIS. I've been using PostGIS a ton at work in the past year, and I've read _PostGIS In Action_[1], but I've really just scratched the surface. I want to play ar
by jchmbrln 10y ago
GIS. I've been using PostGIS a ton at work in the past year, and I've read _PostGIS In Action_[1], but I've really just scratched the surface. I want to play around with making my own projections.
[1] https://www.manning.com/books/postgis-in-action-second-edition https://www.manning.com/books/postgis-in-action-second-editi...
- cossatot 10y agoDesktop GUI Gis programs like QGIS are pretty fun and there are tons of resources for learning the basics. You can download elevation raster data and highway vector data for the area around your city or somewhere more topographically interesting and start making maps or just some armchair exploring. Topography and hillshade data are gorgeous. And it's pretty easy to play around with projections, especially changing parameters on standard ones like Lambert.
- markovbling 10y agoCheck out d3.js - building a GIS app myself on top of d3 and it's really powerful and runs in the browser. Will have to do the GIS calcs server side and just use d3 to render but that plays really well with PostGIS...
- joe563323 10y agoAnother suggestion. Implement the R-tree.