md`A final version of this notebook can be viewed on my blog [here](https://www.robinlinacre.com/flights/).`
tonnes_co2 = kwh_to_kg_co2(eu.flying.flying_miles_to_kwh(total_miles)) / 1000
kwh_to_kg_co2 = function(kwh) {
return kwh * eu.convert.per("kg_co2_jet_fuel/kwh");
}
total_miles = d3.sum(routes, d => d["distance"])
average_miles = d3.mean(routes, d => d["distance"])
eu = require("@robinl/energy_usage@0.0.34")
start_end_date = d3.extent(routes, d => d["date"])
fmt_num = d3.format(",.0f")
fmt_num_round = d3.format(",.2r")
function diff_years(dt2, dt1) {
var diff = (dt2.getTime() - dt1.getTime()) / 1000;
diff /= 60 * 60 * 24;
return Math.abs(Math.round(diff / 365.25));
}
format_date = d => d.toISOString().split('T')[0]
height = width
land = topojson.feature(world, world.objects.land)
world = d3.json("https://unpkg.com/world-atlas@1/world/110m.json")
topojson = require("topojson-client@3")
d3 = require("d3@5")
routes_raw = d3.csv("https://gist.githubusercontent.com/RobinL/ba3acbf42349115ed266a98643eb5a80/raw/a603b1fec071383d6a3eb27cbcda789c54cb0014/my_flights.csv", d3.autoType)
routes = routes_raw.map(d => {
d["random"] = ((Math.random() - 0.5) * d["distance"]) / 1000;
return d;
})
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