[英]Adjust leaflet map's brightness using filter css property
I am trying to adjust brightness (not the opacity) of the leaflet map by using default css property "filter: brightness(1.0);" 我正在尝试通过使用默认的CSS属性“ filter:Brightness(1.0);”来调整传单地图的亮度(而不是不透明度)。 and kind of adding slider functionality as well like below link. 以及添加滑块功能的方式,以及下面的链接。
Leaflet Example - Changing opacity to filter: brightness(1.0); 传单示例 -更改要过滤的不透明度:brightness(1.0);
var mymap = L.map('map').setView([51.505, -0.09], 13); var tileLayer = L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', { attribution: '© <a href="http://osm.org/copyright">OpenStreetMap</a> contributors', opacity: 0 }).addTo(mymap); var slider = document.getElementById('opacity-slider'); slider.addEventListener('input', function(e) { var value = Number(e.target.value); var opacity = value / 100; tileLayer.setOpacity(opacity); });
Any suggestions would be helpful. 任何的意见都将会有帮助。 Thanks! 谢谢!
Here's one way of doing it: 这是一种实现方法:
HTML HTML
<body>
<input type="range" min="0" max="200" value="0" class="slider" id="brightness-slider">
<div id="map"></div>
</body>
JavaScript JavaScript的
var mymap = L.map('map').setView([51.505, -0.09], 13);
var tileLayer = L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
attribution: '© <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
}).addTo(mymap);
tileLayer.getContainer().style.filter = 'brightness(0%)';
var slider = document.getElementById('brightness-slider');
slider.addEventListener('input', function(e) {
var value = e.target.value;
tileLayer.getContainer().style.filter = 'brightness(' + value + '%)';
});
Try it out in this JSBin . 在此JSBin中尝试一下。
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