112 lines
4.1 KiB
JavaScript
112 lines
4.1 KiB
JavaScript
import polylabel from 'polylabel';
|
|
|
|
function normaliseCouncilName(str) {
|
|
const regex = /(.*?)(?:(?: Rural)?(?: City| Shire) Council)/g;
|
|
const matches = str.matchAll(regex);
|
|
|
|
// If we get a match, convert to slug format
|
|
for (const match of matches) {
|
|
return match[1].toLowerCase().replace(" ", "-");
|
|
}
|
|
|
|
// If we didn't find any matches, try convert input to slug format
|
|
return str.toLowerCase().replace(" ", "-");
|
|
};
|
|
|
|
const searchParams = new URLSearchParams(window.location.search);
|
|
const councilName = normaliseCouncilName(searchParams.get("council"));
|
|
console.log(councilName);
|
|
|
|
mapboxgl.accessToken = 'pk.eyJ1IjoibWF0dHl3YXkiLCJhIjoiY2x6eG9vMzZyMHY2cDJqb3M1ODZnNjF4cyJ9.IX8CfYQZUaQhSjWgMXmsEA';
|
|
const map = new mapboxgl.Map({
|
|
container: 'map',
|
|
zoom: 10,
|
|
center: [145.00724,-37.79011]
|
|
});
|
|
|
|
map.addControl(new mapboxgl.NavigationControl());
|
|
|
|
fetch("wards_withboundaries.json")
|
|
.then(response => {
|
|
response.json()
|
|
.then((wardData) => {
|
|
const filteredWardData = wardData.filter((ward) => normaliseCouncilName(ward.parentElectorateName) == councilName);
|
|
|
|
filteredWardData.forEach(wardData => {
|
|
const featureCollection = {
|
|
'type': 'FeatureCollection',
|
|
'features': [
|
|
{
|
|
'type': 'Feature',
|
|
'geometry': JSON.parse(wardData.boundaryJson)
|
|
}
|
|
]
|
|
};
|
|
|
|
// Add data
|
|
map.addSource("data_"+wardData.electorateId, {
|
|
'type': 'geojson',
|
|
'data': featureCollection
|
|
});
|
|
|
|
// Add a line along the data
|
|
map.addLayer({
|
|
'id': "outline_"+wardData.electorateId,
|
|
'type': 'line',
|
|
'source': "data_"+wardData.electorateId,
|
|
'layout': {},
|
|
'paint': {
|
|
'line-color': '#0899fe',
|
|
'line-width': 3
|
|
}
|
|
});
|
|
|
|
const centrePoint = polylabel(featureCollection.features[0].geometry.coordinates, 0.000001);
|
|
|
|
map.addSource('center_'+wardData.electorateId, {
|
|
'type': 'geojson',
|
|
'data': {
|
|
'type': 'FeatureCollection',
|
|
'features': [
|
|
{
|
|
'type': 'Feature',
|
|
'properties': {
|
|
'description': wardData.electorateName
|
|
},
|
|
'geometry': {
|
|
'type': 'Point',
|
|
'coordinates': centrePoint
|
|
}
|
|
}
|
|
]
|
|
}
|
|
});
|
|
|
|
map.addLayer({
|
|
'id': 'label_'+wardData.electorateId,
|
|
'type': 'symbol',
|
|
'source': 'center_'+wardData.electorateId,
|
|
'layout': {
|
|
'text-field': ['get', 'description'],
|
|
'text-variable-anchor': ['center', 'top', 'bottom'],
|
|
'text-justify': 'auto',
|
|
'text-allow-overlap': true
|
|
}
|
|
});
|
|
|
|
});
|
|
|
|
}).catch(err => {
|
|
console.log(err);
|
|
});
|
|
})
|
|
|
|
|
|
|
|
map.on('style.load', () => {
|
|
map.setConfigProperty('basemap', 'showPlaceLabels', false);
|
|
map.setConfigProperty('basemap', 'showPointOfInterestLabels', false);
|
|
map.setConfigProperty('basemap', 'showRoadLabels', false);
|
|
map.setConfigProperty('basemap', 'showTransitLabels', false);
|
|
map.setConfigProperty('basemap', 'show3dObjects', false);
|
|
}); |