ol-ext/examples/misc/map.compare.html
2022-08-22 14:13:10 +02:00

290 lines
8.3 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<!--
Copyright (c) 2016-2018 Jean-Marc VIGLINO,
released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
-->
<title>ol-ext: Compare maps</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="user-scalable=no, initial-scale=1, maximum-scale=1, minimum-scale=1" />
<meta name="description" content="Synchronize OL3 maps." />
<meta name="keywords" content="ol3, interaction, synchronize, map" />
<!-- jQuery -->
<script type="text/javascript" src="https://code.jquery.com/jquery-1.11.0.min.js"></script>
<!-- Openlayers -->
<link rel="stylesheet" href="https://openlayers.org/en/v6.15.1/css/ol.css" />
<script type="text/javascript" src="https://openlayers.org/en/v6.15.1/build/ol.js"></script>
<script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL,Object.assign"></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>
<!-- Font-GIS -->
<link href="https://viglino.github.io/font-gis/css/font-gis.css" rel="stylesheet" />
<link rel="stylesheet" href="../style.css" />
<style>
.tools {
text-align: center;
display: inline-block;
width: 2.5em;
height: 500px;
background: #eee;
}
.tools i {
font-size: 2em;
cursor: pointer;
display: inline-block;
}
#compare {
position: relative;
float: left;
height: 500px;;
width: calc(100% - 2.5em);
}
.fullscreen .tools {
position: absolute;
right: 0;
top: 0;
bottom: 0;
padding: 6em 0;
touch-action: none;
}
.fullscreen #compare {
position: absolute;
top: 0;
bottom: 0;
left: 0;
height: auto;
}
/* Place map2 over map1 */
#map,
#map2 {
position: absolute;
top: 0;
left: 0;
bottom: 0;
width: 100%;
height: 100%;
}
/* Map 1 */
#compare.view1 #map2 {
display: none;
}
#compare.view2 #map {
display: none;
}
/* Remove controls on map 1 */
#compare.swipev #map .ol-control,
#compare.swipeh #map .ol-control,
#compare.clip #map .ol-control {
display: none;
}
/* Remove cross on swipe */
#compare.swipev .ol-target-overlay,
#compare.swipeh .ol-target-overlay {
display: none;
}
/* Compare 50% */
.compare #map {
width: 50%;
}
.compare #map2 {
left: 50%;
width: 50%;
}
/* popup style */
.ol-popup {
max-width:300px;
min-width:100px;
min-height:1em;
z-index: 1;
}
/* Image on popup */
.ol-popup img {
float: left;
margin: 0 0.5em 0 0;
max-width: 100px;
max-height: 100px;
}
</style>
</head>
<body >
<a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>
<a href="../../index.html">
<h1>ol-ext: Compare maps</h1>
</a>
<p class="info">
This example use a <i>ol/control/Swipe</i> and a <i>ol/interaction/Clip</i> combine with
a <i>ol/interaction/Synchronize</i> to compare 2 maps.
<br/>
<button onclick="$('body').addClass('fullscreen'); setMode();">Fullscreen</button>
</p>
<!-- DIV for the map -->
<div id="compare" class="compare">
<div id="map""></div>
<div id="map2""></div>
</div>
<div class="tools">
<i class="fg-screen-dub" onclick="setMode('compare')" title="Compare"></i>
<i class="fg-screen-dub1" onclick="setMode('view1')" title="Map 1"></i>
<i class="fg-screen-dub2" onclick="setMode('view2')" title="Map 2"></i>
<i class="fg-screen-split-h" onclick="setMode('swipev')" title="Swipe V"></i>
<i class="fg-screen-split-v" onclick="setMode('swipeh')" title="Swipe V"></i>
<i class="fg-screen-mag-alt" onclick="setMode('clip')" title="Clip"></i>
</div>
<script type="text/javascript">
// Layers
var mapbox = new ol.layer.Tile({
minResolution: 306,
source: new ol.source.XYZ({
url: 'https://{a-d}.tiles.mapbox.com/v3/mapbox.natural-earth-hypso-bathy/{z}/{x}/{y}.png',
attributions: [ '&copy; <a href="https://www.mapbox.com/map-feedback/">Mapbox</a> ' ]
})
});
var stamen = new ol.layer.Tile({
source: new ol.source.Stamen({ layer: 'watercolor' })
});
// The map
var map = new ol.Map ({
target: 'map',
view: new ol.View ({
zoom: 10,
center: [262600, 6250704]
}),
layers: [ new ol.layer.Tile({
source: new ol.source.Stamen({ layer: 'watercolor' })
})]
});
var map2 = new ol.Map ({
target: 'map2',
view: new ol.View ({
zoom: 5,
center: [166326, 5992663]
}),
layers: [ new ol.layer.Tile({
source: new ol.source.Stamen({ layer: 'toner' })
})]
});
function getLayer() {
return new ol.layer.Vector({
name: '1914-18',
className: 'vector',
source: new ol.source.Vector({
url: '../data/fond_guerre.geojson',
projection: 'EPSG:3857',
format: new ol.format.GeoJSON(),
attributions: [ '&copy; <a href="https://data.culture.gouv.fr/explore/dataset/fonds-de-la-guerre-14-18-extrait-de-la-base-memoire">data.culture.gouv.fr</a>' ]
})
});
}
map.addLayer(getLayer());
map2.addLayer(getLayer());
// Select interaction
var select1 = new ol.interaction.Select({ condition: ol.events.condition.click });
map.addInteraction(select1);
var select2 = new ol.interaction.Select({ condition: ol.events.condition.click });
map2.addInteraction(select2);
var popup1 = new ol.Overlay.Popup({ anim: true, closeBox: true });
map.addOverlay(popup1);
var popup2 = new ol.Overlay.Popup({ anim: true, closeBox: true });
map2.addOverlay(popup2);
function showPopup(e, popup) {
var feature = e.element;
var content = "";
if (!feature.get('text')) return;
content += "<img src='"+feature.get("img")+"'/>";
content += feature.get("text");
if (/swipe/.test(currentMode)) {
popup2.show(feature.getGeometry().getFirstCoordinate(), content);
} else {
popup.show(feature.getGeometry().getFirstCoordinate(), content);
}
}
function hidePopup() {
popup1.hide();
popup2.hide();
}
select1.getFeatures().on('add', function(e) { showPopup(e, popup1) });
select2.getFeatures().on('add', function(e) { showPopup(e, popup2) });
select1.getFeatures().on('remove', hidePopup);
select2.getFeatures().on('remove', hidePopup);
// Synchronize the maps
map.addInteraction( new ol.interaction.Synchronize({ maps: [map2] }) );
map2.addInteraction( new ol.interaction.Synchronize({ maps: [map] }) );
// Tools
/* Use layer clipping * /
var clip = new ol.interaction.Clip({ radius: 150, layers: map2.getLayers().getArray() });
var swipe = new ol.control.Swipe({ rightLayers: map2.getLayers().getArray(), });
/*/
var clip = new ol.interaction.ClipMap({ radius: 150 });
var swipe = new ol.control.SwipeMap({ right: true });
/**/
// Change mode
var currentMode;
function setMode(mode) {
if (mode) {
currentMode = mode;
// Remove tools
map2.removeControl(swipe);
map2.removeInteraction(clip);
// Set interactions
switch (mode) {
case 'swipev':
case 'swipeh': {
map2.addControl(swipe);
swipe.set('orientation', (mode==='swipev' ? 'vertical' : 'horizontal'));
break;
}
case 'clip': {
map2.addInteraction(clip);
break;
}
}
// Update position
document.getElementById("compare").className = mode;
select1.getFeatures().clear();
select2.getFeatures().clear();
}
map.updateSize();
map2.updateSize();
}
// Check click and dispatch to map
map2.on('click', function(e) {
if (/swipe/.test(currentMode)) {
if (!ol.extent.containsCoordinate(swipe.getRectangle(), e.pixel)) {
// Simulate map1 selection
e.map = map;
e.stopPropagation();
select2.getFeatures().clear();
select1.handleEvent(e);
} else {
select1.getFeatures().clear();
}
}
});
</script>
</body>
</html>