Files
openlayers/examples/layer-group.js
2017-12-14 13:08:40 +01:00

62 lines
1.9 KiB
JavaScript

import _ol_Map_ from '../src/ol/Map.js';
import _ol_View_ from '../src/ol/View.js';
import _ol_layer_Group_ from '../src/ol/layer/Group.js';
import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
import {fromLonLat} from '../src/ol/proj.js';
import _ol_source_OSM_ from '../src/ol/source/OSM.js';
import _ol_source_TileJSON_ from '../src/ol/source/TileJSON.js';
var map = new _ol_Map_({
layers: [
new _ol_layer_Tile_({
source: new _ol_source_OSM_()
}), new _ol_layer_Group_({
layers: [
new _ol_layer_Tile_({
source: new _ol_source_TileJSON_({
url: 'https://api.tiles.mapbox.com/v3/mapbox.20110804-hoa-foodinsecurity-3month.json?secure',
crossOrigin: 'anonymous'
})
}),
new _ol_layer_Tile_({
source: new _ol_source_TileJSON_({
url: 'https://api.tiles.mapbox.com/v3/mapbox.world-borders-light.json?secure',
crossOrigin: 'anonymous'
})
})
]
})
],
target: 'map',
view: new _ol_View_({
center: 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());
var opacityInput = $(layerid + ' input.opacity');
opacityInput.on('input change', function() {
layer.setOpacity(parseFloat(this.value));
});
opacityInput.val(String(layer.getOpacity()));
}
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();