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M02: Create map chart #18

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d3a5ffa
M02: Create map chart
dqmrf Jul 4, 2026
806d409
M02: Created SVG circle instead of 'mapbubble' series.
dqmrf Jul 8, 2026
12745f6
M02: Fixed mapline configuration.
dqmrf Jul 8, 2026
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21 changes: 13 additions & 8 deletions highcharts-api/highcharts-maps/02-maps-overview/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -2,19 +2,24 @@

<head>

<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1">

<script src="https://code.highcharts.com/maps/highmaps.js"></script>
<script src="https://code.highcharts.com/maps/modules/data.js"></script>

<div id="container"></div>
<script src="https://code.highcharts.com/maps/highmaps.js"></script>
<script src="https://code.highcharts.com/maps/modules/tiledwebmap.js"></script>
<script src="https://code.highcharts.com/maps/modules/flowmap.js"></script>
<script src="https://code.highcharts.com/modules/accessibility.js"></script>

<div id="container"></div>

</head>

<body>
<div id="container"></div>
<div id="container"></div>
<div id="controls">
<button type="button" id="reset-view">None</button>
</div>
</body>

<script src="main.js"></script>
211 changes: 193 additions & 18 deletions highcharts-api/highcharts-maps/02-maps-overview/main.js
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Original file line number Diff line number Diff line change
@@ -1,21 +1,196 @@
Highcharts.getJSON(
'https://code.highcharts.com/mapdata/custom/world-continents.geo.json',
geojson => {

const data = [
['af', 10],
['eu', 10],
['sa', 10]
];
(async () => {
const topojson = await fetch(
'https://code.highcharts.com/mapdata/custom/world-continents.topo.json'
).then(res => res.json());
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magdalena-gut marked this conversation as resolved.

Highcharts.mapChart('container', {
series: [{
name: 'World map',
data,
type: 'map',
mapData: geojson,
showInLegend: false
}]
chart: {
height: 600,
map: topojson,
events: {
load() {
const chart = this;

// Reset View & Selection button
const resetViewBtn = document.getElementById('reset-view');
resetViewBtn.addEventListener('click', function() {
chart.selectedContinent?.update({ color: '#3651d5' }, false);
chart.selectedContinent = null;

const { zoom, center } = chart.options.mapView;
chart.mapView.update({ zoom, center });
});

// Line around South America
const x1 = -83, y1 = -55, x2 = -33, y2 = 13;
chart.addSeries({
type: 'mapline',
enableMouseTracking: false,
lineWidth: 2,
data: [{
color: '#e27800',
geometry: {
type: 'LineString',
coordinates: [
[x1, y1],
[x2, y1],
[x2, y2],
[x1, y2],
[x1, y1]
]
}
}]
});

// Custom SVG label
chart.customLabel = chart.renderer
.label('SVG', 0, 0)
.attr({ zIndex: 3 })
.css({ color: 'red' })
.add();

chart.customLabel.coords = { x: -64, y: -20 };

// Custom SVG circle
const r = 6;
chart.customCircle = chart.renderer
.circle(0, 0, r)
.attr({
stroke: '#424242',
fill: '#ffffff92',
zIndex: 3
})
.css({
pointerEvents: 'none'
})
.add();

chart.customCircle.baseR = r;
chart.customCircle.lonLat = {
lat: -6.18953,
lon: 35.76462
}
},
render() {
const { mapView, customLabel, customCircle, plotLeft, plotTop } = this;

// Update custom label.
if (customLabel) {
const { x, y } = mapView.projectedUnitsToPixels(customLabel.coords);

customLabel.attr({
x: x + plotLeft - customLabel.width / 2,
y: y + plotTop - customLabel.height / 2
});
}

// Update custom circle.
if (customCircle) {
const projected = mapView.lonLatToProjectedUnits(customCircle.lonLat);
const { x, y } = mapView.projectedUnitsToPixels(projected);

customCircle.attr({
x: x + plotLeft,
y: y + plotTop,
r: customCircle.baseR * mapView.zoom
});
}
}
}
},
title: {
text: 'Highcharts maps overview'
},
mapView: {
zoom: 1.6,
center: [0, 40]
},
mapNavigation: {
enabled: true,
enableButtons: false
},
legend: {
enabled: false
},
plotOptions: {
series: {
states: {
inactive: {
enabled: false
}
},
}
},
series: [
{
name: 'OSM TWM',
type: 'tiledwebmap',
provider: {
type: 'OpenStreetMap',
theme: 'OpenTopoMap',
subdomain: 'a'
}
},
{
data: [
['af', 10],
['eu', 10],
['sa', 10]
],
color: '#3651d5',
borderColor: 'blue',
nullColor: 'transparent',
events: {
click(e) {
const chart = this.chart;
const currentPoint = e.point;

if (chart.selectedContinent) {
chart.selectedContinent.update({ color: '#3651d5' }, false);
}
chart.selectedContinent = currentPoint;
currentPoint.update({ color: 'transparent' }, false);
chart.mapView.fitToBounds(currentPoint.bounds);
}
}
},
{
type: 'mappoint',
name: 'Mappoints',
enableMouseTracking: false,
color: '#0ced5e',
data: [{
name: 'Accra',
id: 'accra',
lat: 5.55124,
lon: -0.18402
}, {
name: 'Dodoma',
id: 'dodoma',
lat: -6.18953,
lon: 35.76462
}]
},
{
type: 'flowmap',
linkedTo: ':previous',
minWidth: 4,
maxWidth: 10,
growTowards: true,
enableMouseTracking: false,
fillColor: '#0ced5e',
color: '#0ced5e',
weight: 10,
markerEnd: {
width: '60%',
height: '60%'
},
data: [{
from: 'accra',
to: 'dodoma'
}]
}
]
});
}
);

})();