This is a script made to work nodejs. It requires node-canvas. It uses data from minute-agent
Created
October 25, 2012 20:03
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Sleep Chart
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var Canvas = require('canvas'), | |
fs = require('fs'); | |
var keystrokes = fs.readFileSync('../keystrokes_all.log', 'utf8'); | |
var lines = keystrokes.split('\n').slice(1); | |
var width = 1024, height = 768; | |
var c = new Canvas(width, height); | |
var ctx = c.getContext('2d'); | |
ctx.fillStyle = '#fff'; | |
ctx.fillRect(0, 0, width, height); | |
var gaps = {}; | |
for (var i = 0; i < lines.length - 2; i++) { | |
var gap = +lines[i + 1].split(',')[0] - (+lines[i].split(',')[0]); | |
var d = new Date(lines[i + 1].split(',')[0] * 1000); | |
var dayhash = d.getMonth() + '-' + d.getDate(); | |
gaps[dayhash] = (!gaps[dayhash] || gap > gaps[dayhash]) ? gap : gaps[dayhash]; | |
} | |
var agaps = []; | |
for (i in gaps) { | |
agaps.push(gaps[i]); | |
} | |
// I don't sleep for more than a day | |
agaps = agaps.filter(function(g) { | |
return g < (60 * 60 * 24); | |
}); | |
ctx.font = '22px Helvetica'; | |
// ctx.textAlign = "center"; | |
var title = 'HOURS OF SLEEP PER NIGHT'; | |
var xm = 0; | |
var w = ~~(width / agaps.length) + 0; | |
for (var i = 0; i < agaps.length; i++) { | |
var hrs = agaps[i] / 6000; | |
ctx.fillStyle = '#E9E5E0'; | |
ctx.fillRect(xm + 1, 0, w, height); | |
ctx.fillStyle = '#000'; | |
ctx.fillRect(xm + 1, 0, w, ~~(height * (hrs / 24))); | |
xm += w + 1; | |
} | |
var eight = ~~(height * (8 / 24)); | |
ctx.fillStyle = '#E9E5E0'; | |
ctx.fillRect(160, eight, 155, 40); | |
ctx.globaAlpha = 1; | |
ctx.fillStyle = '#222'; | |
ctx.fillRect(0, eight, width, 1); | |
ctx.fillText('eight hours', 160, eight + 30); | |
fs.writeFileSync('sleep_new.png', c.toBuffer()); |
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