<div id="map" style="height: 100%; width: 100%"></div>

<script src="../../dist/gridviz.js"></script>

<script>

//define map with initial view

const map = new gridviz.Map(document.getElementById('map'), {

x: 4500000,

y: 2900000,

z: 600,

}).addZoomButtons()

//define dataset

const dataset = new gridviz.CSVGrid(

map,

'https://raw.githubusercontent.com/eurostat/gridviz/master/assets/csv/Europe/pop_2018_10km.csv',

10000

)

//define style

const style = new gridviz.SegmentStyle({

orientation: (cell) => {

if (cell.population > 60000) return 60

else if (cell.population > 20000) return 40

else if (cell.population > 6000) return 20

else return 0

},

color: () => 'black',

width: (cell, resolution, z) => resolution * 0.25,

})

//link legend to style

style.legends = gridviz.orientationLegend([60, 40, 20, 0], ['Very high', 'High', 'Low', 'Very low'], {

title: 'Population density',

color: () => 'black',

width: (resolution) => resolution * 0.25,

})

//add layer to map

map.layers = [new gridviz.GridLayer(dataset, [style])]

</script>