Files
openlayers/examples/layer-group.js
2015-04-17 06:22:38 -06:00

69 lines
1.9 KiB
JavaScript

goog.require('ol.Map');
goog.require('ol.View');
goog.require('ol.layer.Group');
goog.require('ol.layer.Tile');
goog.require('ol.proj');
goog.require('ol.source.MapQuest');
goog.require('ol.source.TileJSON');
var map = new ol.Map({
layers: [
new ol.layer.Tile({
source: new ol.source.MapQuest({layer: 'sat'})
}), new ol.layer.Group({
layers: [
new ol.layer.Tile({
source: new ol.source.TileJSON({
url: 'http://api.tiles.mapbox.com/v3/' +
'mapbox.20110804-hoa-foodinsecurity-3month.jsonp',
crossOrigin: 'anonymous'
})
}),
new ol.layer.Tile({
source: new ol.source.TileJSON({
url: 'http://api.tiles.mapbox.com/v3/' +
'mapbox.world-borders-light.jsonp',
crossOrigin: 'anonymous'
})
})
]
})
],
renderer: exampleNS.getRendererFromQueryString(),
target: 'map',
view: new ol.View({
center: ol.proj.fromLonLat([37.40570, 8.81566]),
zoom: 4
})
});
function bindInputs(layerid, layer) {
var visibilityInput = $(layerid + ' input.visible');
visibilityInput.on('change', function() {
layer.setVisible(this.checked);
});
visibilityInput.prop('checked', layer.getVisible());
$.each(['opacity', 'hue', 'saturation', 'contrast', 'brightness'],
function(i, v) {
var input = $(layerid + ' input.' + v);
input.on('input change', function() {
layer.set(v, parseFloat(this.value));
});
input.val(String(layer.get(v)));
}
);
}
map.getLayers().forEach(function(layer, i) {
bindInputs('#layer' + i, layer);
if (layer instanceof ol.layer.Group) {
layer.getLayers().forEach(function(sublayer, j) {
bindInputs('#layer' + i + j, sublayer);
});
}
});
$('#layertree li > span').click(function() {
$(this).siblings('fieldset').toggle();
}).siblings('fieldset').hide();