[Start here](http://blockbuilder.org/enjalot/f6ac38e86de3e7d4cbe109ed601fa6d7) [<img src="https://gist.github.com/enjalot/f6ac38e86de3e7d4cbe109ed601fa6d7/raw/64141ff1ccc42e112fd1f17c713f5d424a7f9a82/thumbnail.png">](http://blockbuilder.org/enjalot/f6ac38e86de3e7d4cbe109ed601fa6d7) Try rendering some of our California TopoJSON data files: [World Countries](http://enjalot.github.io/wwsd/data/USA/ne_50m_admin_0_countries.topojson) [California streams](http://enjalot.github.io/wwsd/data/USA/california-streams.topojson) Resources: [Canvas (context) API](https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D) [Canvas Tutorial](https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API/Tutorial) [d3 + canvas examples](http://blockbuilder.org/search#text=canvas;api=geo.path)