55 lines
1.3 KiB
JavaScript
55 lines
1.3 KiB
JavaScript
goog.require('ol.Map');
|
|
goog.require('ol.RendererHint');
|
|
goog.require('ol.View2D');
|
|
goog.require('ol.control');
|
|
goog.require('ol.control.ScaleLine');
|
|
goog.require('ol.layer.Tile');
|
|
goog.require('ol.layer.Vector');
|
|
goog.require('ol.parser.GeoJSON');
|
|
goog.require('ol.parser.ogc.SLD');
|
|
goog.require('ol.source.MapQuestOpenAerial');
|
|
goog.require('ol.source.Vector');
|
|
|
|
|
|
var raster = new ol.layer.Tile({
|
|
source: new ol.source.MapQuestOpenAerial()
|
|
});
|
|
|
|
var xhr = new XMLHttpRequest();
|
|
xhr.open('GET', 'data/countries.sld', true);
|
|
|
|
|
|
/**
|
|
* onload handler for the XHR request.
|
|
*/
|
|
xhr.onload = function() {
|
|
if (xhr.status == 200) {
|
|
var map = new ol.Map({
|
|
controls: ol.control.defaults().extend([
|
|
new ol.control.ScaleLine()
|
|
]),
|
|
layers: [raster],
|
|
renderer: ol.RendererHint.CANVAS,
|
|
target: 'map',
|
|
view: new ol.View2D({
|
|
center: [0, 0],
|
|
zoom: 1
|
|
})
|
|
});
|
|
var units = map.getView().getView2D().getProjection().getUnits();
|
|
var sld = new ol.parser.ogc.SLD().read(xhr.responseText, {
|
|
units: units
|
|
});
|
|
var style = sld.namedLayers['countries'].userStyles[0];
|
|
var vector = new ol.layer.Vector({
|
|
source: new ol.source.Vector({
|
|
parser: new ol.parser.GeoJSON(),
|
|
url: 'data/countries.geojson'
|
|
}),
|
|
style: style
|
|
});
|
|
map.getLayers().push(vector);
|
|
}
|
|
};
|
|
xhr.send();
|