97 lines
2.2 KiB
JavaScript
97 lines
2.2 KiB
JavaScript
goog.require('ol.Feature');
|
|
goog.require('ol.Map');
|
|
goog.require('ol.Overlay');
|
|
goog.require('ol.View');
|
|
goog.require('ol.geom.Point');
|
|
goog.require('ol.layer.Tile');
|
|
goog.require('ol.layer.Vector');
|
|
goog.require('ol.source.OSM');
|
|
goog.require('ol.source.Vector');
|
|
goog.require('ol.style.Icon');
|
|
goog.require('ol.style.Style');
|
|
|
|
|
|
var iconFeature = new ol.Feature({
|
|
geometry: new ol.geom.Point([0, 0]),
|
|
name: 'Null Island',
|
|
population: 4000,
|
|
rainfall: 500
|
|
});
|
|
|
|
var iconStyle = new ol.style.Style({
|
|
image: new ol.style.Icon(/** @type {olx.style.IconOptions} */ ({
|
|
anchor: [0.5, 46],
|
|
anchorXUnits: 'fraction',
|
|
anchorYUnits: 'pixels',
|
|
opacity: 0.75,
|
|
src: 'data/icon.png'
|
|
}))
|
|
});
|
|
|
|
iconFeature.setStyle(iconStyle);
|
|
|
|
var vectorSource = new ol.source.Vector({
|
|
features: [iconFeature]
|
|
});
|
|
|
|
var vectorLayer = new ol.layer.Vector({
|
|
source: vectorSource
|
|
});
|
|
|
|
var rasterLayer = new ol.layer.Tile({
|
|
source: new ol.source.OSM()
|
|
});
|
|
|
|
var map = new ol.Map({
|
|
renderer: exampleNS.getRendererFromQueryString(),
|
|
layers: [rasterLayer, vectorLayer],
|
|
target: document.getElementById('map'),
|
|
view: new ol.View({
|
|
center: [0, 0],
|
|
zoom: 3
|
|
})
|
|
});
|
|
|
|
var element = document.getElementById('popup');
|
|
|
|
var popup = new ol.Overlay({
|
|
element: element,
|
|
positioning: 'bottom-center',
|
|
stopEvent: false
|
|
});
|
|
map.addOverlay(popup);
|
|
|
|
// display popup on click
|
|
map.on('click', function(evt) {
|
|
var feature = map.forEachFeatureAtPixel(evt.pixel,
|
|
function(feature, layer) {
|
|
return feature;
|
|
});
|
|
if (feature) {
|
|
var geometry = feature.getGeometry();
|
|
var coord = geometry.getCoordinates();
|
|
popup.setPosition(coord);
|
|
$(element).popover({
|
|
'placement': 'top',
|
|
'html': true,
|
|
'content': feature.get('name')
|
|
});
|
|
$(element).popover('show');
|
|
} else {
|
|
$(element).popover('destroy');
|
|
}
|
|
});
|
|
|
|
// change mouse cursor when over marker
|
|
$(map.getViewport()).on('mousemove', function(e) {
|
|
var pixel = map.getEventPixel(e.originalEvent);
|
|
var hit = map.forEachFeatureAtPixel(pixel, function(feature, layer) {
|
|
return true;
|
|
});
|
|
if (hit) {
|
|
map.getTarget().style.cursor = 'pointer';
|
|
} else {
|
|
map.getTarget().style.cursor = '';
|
|
}
|
|
});
|