Need to build a quick vector map? Here are two new tools

From ProPublica:

Today we're releasing code to make it easier for newsrooms to produce maps quickly. Landline is an open source JavaScript library for turning GeoJSON data into browser-based SVG maps. It comes with Stateline, which builds on Landline to create U.S. state and county choropleth maps with very little code out-of-the-box.

We finished the project and wrote documentation as part of last week’s Knight-Mozilla OpenNews Code Convening program (thanks to Github's Jessica Lord for helping out on short notice). We've been using variations of Landline at ProPublica for some time, for example on the front page of our nursing homes app and this voting rights act explainer.

Both should work in nearly every commonly supported browser. The full documentation is over at GitHub, but in a nutshell ...