*** Backup Mirror *** The web interface and JSON api for the ConnectedHumber Air Quality Monitoring Project. https://github.com/ConnectedHumber/Air-Quality-Web
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Air-Quality-Web/client_src/js/MapManager.mjs

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4.0 KiB

"use strict";
// Import leaflet, but some plugins require it to have the variable name 'L' :-/
import L from 'leaflet';
import 'leaflet-fullscreen';
import 'iso8601-js-period';
import '../../node_modules/leaflet-timedimension/dist/leaflet.timedimension.src.withlog.js';
import Config from './Config.mjs';
import LayerDeviceMarkers from './LayerDeviceMarkers.mjs';
import LayerHeatmap from './LayerHeatmap.mjs';
import LayerHeatmapGlue from './LayerHeatmapGlue.mjs';
import UI from './UI.mjs';
class MapManager {
constructor() {
console.log(Config);
}
setup() {
// Create the map
this.map = L.map("map", {
fullscreenControl: true,
timeDimension: true,
timeDimensionOptions: {
timeInterval: `2019-01-01/${(new Date()).toISOString().split("T")[0]}`,
period: "PT6M" // 6 minutes, in ISO 8601 Durations format: https://en.wikipedia.org/wiki/ISO_8601#Durations
}
});
this.map.setView(Config.default_location, Config.default_zoom);
// Add the OpenStreetMap tile layer
this.layer_openstreet = L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
id: "openstreetmap",
maxZoom: 19,
attribution: "&copy; <a href='https://www.openstreetmap.org/copyright'>OpenStreetMap contributors</a>"
}).addTo(this.map);
// Add the attribution
this.map.attributionControl.addAttribution("Data: <a href='https://connectedhumber.org/'>Connected Humber</a>");
this.map.attributionControl.addAttribution("<a href='https://github.com/ConnectedHumber/Air-Quality-Web/'>Air Quality Web</a> by <a href='https://starbeamrainbowlabs.com/'>Starbeamrainbowlabs</a>");
// Add the device markers
console.info("[map] Loading device markers....");
this.setup_device_markers().then(() => {
console.info("[map] Device markers loaded successfully.");
// Display a layer controller
this.setup_layer_control();
});
// Add the heatmap
console.info("[map] Loading heatmap....");
this.setup_heatmap()
.then(() => console.info("[map] Heatmap loaded successfully."))
// ...and the time dimension
.then(this.setup_time_dimension.bind(this))
.then(() => console.info("[map] Time dimension initialised."));
this.ui = new UI(Config, this);
this.ui.setup().then(() => console.log("[map] Settings initialised."));
}
setup_time_dimension() {
// Ensure terser doesn't tree-shake iso8601-js-period
if(nezasa.iso8601.period)
console.debug("iso8601-js-period is loaded.");
this.layer_time = new L.TimeDimension({
period: "PT1H", // 1 hour
timeInterval: `2019-01-01T12:00:00Z/${new Date().toISOString()}`
});
//this.layer_time.on("timeloading", console.log.bind(null, "timeloading"));
this.layer_time_player = new L.TimeDimension.Player({
transitionTime: 500,
loop: false,
startOver: true,
buffer: 10 // Default: 5
}, this.layer_time);
this.layer_time_control = new L.Control.TimeDimension({
player: this.layer_time_player,
timeDimension: this.layer_time,
position: "bottomright",
autoplay: false,
minSpeed: 1,
speedStep: 0.25,
maxSpeed: 15,
timeSliderDragUpdate: false
});
this.map.addControl(this.layer_time_control);
// Create the time dimension <---> heatmap glue object
this.layer_heatmap_glue = new LayerHeatmapGlue(
this.layer_time,
this.heatmap
);
this.layer_heatmap_glue.attachTo(this.map);
}
async setup_device_markers() {
this.device_markers = new LayerDeviceMarkers(this.map);
await this.device_markers.setup();
}
async setup_heatmap() {
this.heatmap = new LayerHeatmap(this.map);
// TODO: Use leaflet-timedimension here
// TODO: Allow configuration of the different reading types here
this.heatmap.update_data(new Date(new Date-10*60), "PM25");
}
setup_layer_control() {
this.layer_control = L.control.layers({
// Base layer(s)
"OpenStreetMap": this.layer_openstreet
}, { // Overlay(s)
"Devices": this.device_markers.layer,
// TODO: Have 1 heatmap layer per reading type?
"Heatmap": this.heatmap.layer
}, { // Options
});
this.layer_control.addTo(this.map);
}
}
export default MapManager;