48 lines
1.0 KiB
JavaScript
48 lines
1.0 KiB
JavaScript
goog.require('ol.Map');
|
|
goog.require('ol.RendererHint');
|
|
goog.require('ol.View2D');
|
|
goog.require('ol.layer.Tile');
|
|
goog.require('ol.source.BingMaps');
|
|
goog.require('ol.source.OSM');
|
|
|
|
var osm = new ol.layer.Tile({
|
|
source: new ol.source.OSM()
|
|
});
|
|
var bing = new ol.layer.Tile({
|
|
source: new ol.source.BingMaps({
|
|
key: 'Ak-dzM4wZjSqTlzveKz5u0d4IQ4bRzVI309GxmkgSVr1ewS6iPSrOvOKhA-CJlm3',
|
|
imagerySet: 'Aerial'
|
|
})
|
|
});
|
|
|
|
var map = new ol.Map({
|
|
layers: [osm, bing],
|
|
renderer: ol.RendererHint.CANVAS,
|
|
target: 'map',
|
|
view: new ol.View2D({
|
|
center: [0, 0],
|
|
zoom: 2
|
|
})
|
|
});
|
|
|
|
var swipe = document.getElementById('swipe');
|
|
|
|
bing.on('precompose', function(event) {
|
|
var ctx = event.context;
|
|
var width = ctx.canvas.width * (swipe.value / 100);
|
|
|
|
ctx.save();
|
|
ctx.beginPath();
|
|
ctx.rect(width, 0, ctx.canvas.width - width, ctx.canvas.height);
|
|
ctx.clip();
|
|
});
|
|
|
|
bing.on('postcompose', function(event) {
|
|
var ctx = event.context;
|
|
ctx.restore();
|
|
});
|
|
|
|
swipe.addEventListener('change', function() {
|
|
map.requestRenderFrame();
|
|
}, false);
|