openlayer 缩放滑块
openlayer 缩放滑块
<!DOCTYPE html><html>
<head>
<title>Zoom Sliders</title>
<link rel=”stylesheet“ href=”https://openlayers.org/en/v5.1.3/css/ol.css“ type=”text/css“>
<!– The line below is only needed for old environments like Internet Explorer and Android 4.x –>
<script src=”https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL“></script>
<style>
/**
* The zoomslider in the second map shall be placed between the zoom-in and
* zoom-out buttons.
*/
#map2 .ol-zoom .ol-zoom-out {
margin-top: 204px;
}
#map2 .ol-zoomslider {
background-color: transparent;
top: 2.3em;
}
#map2 .ol-touch .ol-zoom .ol-zoom-out {
margin-top: 212px;
}
#map2 .ol-touch .ol-zoomslider {
top: 2.75em;
}
#map2 .ol-zoom-in.ol-has-tooltip:hover [role=tooltip],
#map2 .ol-zoom-in.ol-has-tooltip:focus [role=tooltip] {
top: 3px;
}
#map2 .ol-zoom-out.ol-has-tooltip:hover [role=tooltip],
#map2 .ol-zoom-out.ol-has-tooltip:focus [role=tooltip] {
top: 232px;
}
/**
* The zoomslider in the third map shall be horizontal, placed in the top-right
* corner, smaller and orange.
*/
#map3 .ol-zoomslider {
top: 8px;
left: auto;
right: 8px;
background-color: rgba(255,69,0,0.2);
width: 200px;
height: 15px;
padding: 0;
box-shadow: 0 0 5px rgb(255,69,0);
border-radius: 20px;
}
#map3 .ol-zoomslider:hover {
background-color: rgba(255,69,0,0.3);
}
#map3 .ol-zoomslider-thumb {
height: 15px;
width: 15px;
margin: 0;
filter: none;
background-color: rgba(255,69,0,0.6);
border-radius: 20px;
}
#map3 a.ol-zoomslider-handle:hover {
background-color: rgba(255,69,0,0.7);
}
</style>
</head>
<body>
<h4>Default style</h4>
<div id=”map1“ class=”map“></div>
<h4>Placed between zoom controls</h4>
<div id=”map2“ class=”map“></div>
<h4>Horizontal and completely re-styled</h4>
<div id=”map3“ class=”map“></div>
<script>
import Map from ‘ol/Map.js’;
import View from ‘ol/View.js’;
import {ZoomSlider} from ‘ol/control.js’;
import TileLayer from ‘ol/layer/Tile.js’;
import OSM from ‘ol/source/OSM.js’;
/**
* Helper method for map-creation.
*
* @param {string} divId The id of the div for the map.
* @return {module:ol/PluggableMap} The map instance.
*/
function createMap(divId) {
var source = new OSM();
var layer = new TileLayer({
source: source
});
var map = new Map({
layers: [layer],
target: divId,
view: new View({
center: [0, 0],
zoom: 2
})
});
var zoomslider = new ZoomSlider();
map.addControl(zoomslider);
return map;
}
var map1 = createMap(‘map1’);
var map2 = createMap(‘map2’);
var map3 = createMap(‘map3’);
</script>
</body></html>
转载自：https://blog.csdn.net/qq_36178899/article/details/81213500
