heatmaps
v0.0.2
Published
Library for node canvas based heatmaps
Downloads
2
Readme
Heatmaps
Node port of excellent heatmap.js library. Info and docs can be found on the original github page.
Example
var heatmap = require('heatmaps');
var h = heatmap.create({
radius: 15,
width: 500,
height: 500
});
h.store.setDataSet({
max: 1000,
// Originaly data was an array of objects {x:, y:, count:}
// in my port it is an array of arrays [x, y, count]
data: [[0, 0, 500], [250, 250, 1000], [500, 500, 500]]
});
// Get buffer which you could use as a request response or write it to a file
image = h.getImageBuffer();
Install
With npm, just do:
npm install heatmaps