Given a set of (x, y, z) coordinates, how would I go about creating a contour map?
Would be nice to know how to implement in d3 but wouldn't mind trying to implement it myself if I had some direction.
For d3 users, can I create a contour map using d3.geom.contour() and jasondavies'
conrec.js:
Essentially, I'd like to replicate this contour map using d3.js: http://beaugunderson.com/routes/