Create contour map

Question

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

Answer 1

• Plotly.js is based on d3.js and provides contour plots. See for example

https://plot.ly/javascript/contour-plots/

Plotly.js: How to avoid overlapping contour lines?

How to apply plotly.js to an existing svg group as target instead of applying it to a target

element?

• There is also a contour plugin for d3.js (which I did not use yet):

https://github.com/d3/d3-plugins/blob/master/geom/contour/contour.js

And an example: http://bl.ocks.org/mbostock/4241134

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