ol-ext/examples/layer/map.source.georss.html
2024-06-26 16:24:06 +02:00

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<!DOCTYPE html>
<html>
<head>
<!--
Copyright (c) 2017-2018 Jean-Marc VIGLINO,
released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
-->
<title>ol-ext: GeoRSS source</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="description" content="WikiCommons layer for OL3" />
<meta name="keywords" content="ol, layer, source, vector, GeoRSS" />
<!-- FontAwesome -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<!-- jQuery -->
<script type="text/javascript" src="https://code.jquery.com/jquery-1.11.0.min.js"></script>
<!-- Openlayers -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@latest/ol.css" />
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/ol@latest/dist/ol.js"></script>
<!-- ol-ext -->
<link rel="stylesheet" href="../../dist/ol-ext.css" />
<script type="text/javascript" src="../../dist/ol-ext.js"></script>
<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
<script src="https://unpkg.com/elm-pep"></script>
<!-- ol-ext maki and fontawesome defintions used in fontsymbol -->
<script type="text/javascript" src="../../dist/extra/FontAwesomeDef.js"></script>
<!-- filesaver-js -->
<script type="text/javascript" src="https://cdn.rawgit.com/eligrey/FileSaver.js/aa9f4e0e/FileSaver.min.js"></script>
<link rel="stylesheet" href="../style.css" />
<style>
#map {
width: 600px;
height: 400px;
}
.fullscreen #map {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
width: 100%;
height: 100%;
z-index: 10;
}
.fullscreen .options.top {
position: fixed;
top: 0;
right: 0;
z-index:10000;
}
</style>
</head>
<body >
<a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>
<i class="fa fa-fire" style="position: absolute; left: -100px;"></i>
<a href="../../index.html">
<h1>ol-ext: GeoRSS source</h1>
</a>
<p class="info">
<i>ol/source/GeoRSS</i> is a vector source to load a <a href="http://www.georss.org/">GeoRSS feed</a>.
<br/>
Find <a href="https://emergency.copernicus.eu/mapping/georss-feeds-aggregated">GeoRSS examples</a>.
</p>
<!-- DIV pour la carte -->
<div id="map"></div>
<div class="options top">
<button onclick="$('body').toggleClass('fullscreen'); map.updateSize();">fullscreen</button>
</div>
<div id ="select" class="options" >Select an item.</div>
<script type="text/javascript">
// The map
var map = new ol.Map ({
target: 'map',
view: new ol.View ({
zoom: 2,
center: [-1089966, 4552499]
}),
layers: [ new ol.layer.Tile({ name:"OSM", source: new ol.source.OSM() })]
});
// WikiCommons layer source
var vectorSource = new ol.source.GeoRSS ({
url: 'https://earthquakes.bgs.ac.uk/feeds/MhSeismology.xml',
attributions: ['<a href="https://www.bgs.ac.uk/data/services/georss.html">BGS</a>']
//url: 'https://emergency.copernicus.eu/mapping/activations-risk-and-recovery/feed',
//attributions: ['<a href="https://emergency.copernicus.eu/mapping/">Copernicus EMS</a>']
//url: 'https://emergency.copernicus.eu/mapping/list-of-components/EMSN053/feed',
});
var getStyle = function(f) {
var glyph = /fire/i.test(f.get('category')) ? 'fa-fire' :
/flood/i.test(f.get('category')) ? 'fa-tint' :
/wind/i.test(f.get('category')) ? 'fa-forumbee' :
/storm/i.test(f.get('category')) ? 'fa-flash' :
/human/i.test(f.get('category')) ? 'fa-heartbeat' :
/quake/i.test(f.get('category')) ? 'fa-bullseye' :
/other/i.test(f.get('category')) ? 'fa-gear' :
'fa-shield';
return new ol.style.Style({
image: new ol.style.FontSymbol({
form: 'marker',
glyph: glyph,
radius: 16,
offsetY: -8,
fill: new ol.style.Fill({
color: /tint|bee/.test(glyph) ? 'cyan' : /eye|beat/.test(glyph) ? 'lightgreen' : 'orange'
}),
stroke: new ol.style.Stroke({
color: /tint|bee/.test(glyph) ? 'blue' : /eye|beat/.test(glyph) ? 'darkgreen' : 'red',
width: 1.5
})
})
});
};
var vector = new ol.layer.Vector({
name: 'GeoRSS',
source: vectorSource,
// y ordering
renderOrder: ol.ordering.yOrdering(),
style: getStyle
});
map.addLayer(vector);
// Control Select
var select = new ol.interaction.Select({})
map.addInteraction(select);
var popup = new ol.Overlay.PopupFeature({
popupClass: 'default anim',
select: select,
canFix: true
});
map.addOverlay (popup);
// Save resulting layer
function save() {
var format = new ol.format.GeoJSON();
var data = format.writeFeatures(vectorSource.getFeatures(), {
dataProjection: 'EPSG:4326',
featureProjection: map.getView().getProjection()
});
var blob = new Blob([data], {type: "text/plain;charset=utf-8"});
saveAs(blob, "georss.geojson");
}
</script>
<!-- -->
</body>
</html>