146 lines
4.0 KiB
JavaScript
146 lines
4.0 KiB
JavaScript
goog.require('ol.Map');
|
|
goog.require('ol.View');
|
|
goog.require('ol.format.EsriJSON');
|
|
goog.require('ol.layer.Tile');
|
|
goog.require('ol.layer.Vector');
|
|
goog.require('ol.loadingstrategy');
|
|
goog.require('ol.proj');
|
|
goog.require('ol.source.Vector');
|
|
goog.require('ol.source.XYZ');
|
|
goog.require('ol.style.Fill');
|
|
goog.require('ol.style.Stroke');
|
|
goog.require('ol.style.Style');
|
|
goog.require('ol.tilegrid');
|
|
|
|
|
|
var serviceUrl = 'http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/' +
|
|
'Petroleum/KSFields/FeatureServer/';
|
|
var layer = '0';
|
|
|
|
var esrijsonFormat = new ol.format.EsriJSON();
|
|
|
|
var styleCache = {
|
|
'ABANDONED': new ol.style.Style({
|
|
fill: new ol.style.Fill({
|
|
color: 'rgba(225, 225, 225, 255)'
|
|
}),
|
|
stroke: new ol.style.Stroke({
|
|
color: 'rgba(0, 0, 0, 255)',
|
|
width: 0.4
|
|
})
|
|
}),
|
|
'GAS': new ol.style.Style({
|
|
fill: new ol.style.Fill({
|
|
color: 'rgba(255, 0, 0, 255)'
|
|
}),
|
|
stroke: new ol.style.Stroke({
|
|
color: 'rgba(110, 110, 110, 255)',
|
|
width: 0.4
|
|
})
|
|
}),
|
|
'OIL': new ol.style.Style({
|
|
fill: new ol.style.Fill({
|
|
color: 'rgba(56, 168, 0, 255)'
|
|
}),
|
|
stroke: new ol.style.Stroke({
|
|
color: 'rgba(110, 110, 110, 255)',
|
|
width: 0
|
|
})
|
|
}),
|
|
'OILGAS': new ol.style.Style({
|
|
fill: new ol.style.Fill({
|
|
color: 'rgba(168, 112, 0, 255)'
|
|
}),
|
|
stroke: new ol.style.Stroke({
|
|
color: 'rgba(110, 110, 110, 255)',
|
|
width: 0.4
|
|
})
|
|
})
|
|
};
|
|
|
|
var vectorSource = new ol.source.Vector({
|
|
loader: function(extent, resolution, projection) {
|
|
var url = serviceUrl + layer + '/query/?f=json&' +
|
|
'returnGeometry=true&spatialRel=esriSpatialRelIntersects&geometry=' +
|
|
encodeURIComponent('{"xmin":' + extent[0] + ',"ymin":' +
|
|
extent[1] + ',"xmax":' + extent[2] + ',"ymax":' + extent[3] +
|
|
',"spatialReference":{"wkid":102100}}') +
|
|
'&geometryType=esriGeometryEnvelope&inSR=102100&outFields=*' +
|
|
'&outSR=102100';
|
|
$.ajax({url: url, dataType: 'jsonp', success: function(response) {
|
|
if (response.error) {
|
|
alert(response.error.message + '\n' +
|
|
response.error.details.join('\n'));
|
|
} else {
|
|
// dataProjection will be read from document
|
|
var features = esrijsonFormat.readFeatures(response, {
|
|
featureProjection: projection
|
|
});
|
|
if (features.length > 0) {
|
|
vectorSource.addFeatures(features);
|
|
}
|
|
}
|
|
}});
|
|
},
|
|
strategy: ol.loadingstrategy.tile(ol.tilegrid.createXYZ({
|
|
tileSize: 512
|
|
}))
|
|
});
|
|
|
|
var vector = new ol.layer.Vector({
|
|
source: vectorSource,
|
|
style: function(feature) {
|
|
var classify = feature.get('activeprod');
|
|
return styleCache[classify];
|
|
}
|
|
});
|
|
|
|
var raster = new ol.layer.Tile({
|
|
source: new ol.source.XYZ({
|
|
attributions: 'Tiles © <a href="http://services.arcgisonline.com/ArcGIS/' +
|
|
'rest/services/World_Topo_Map/MapServer">ArcGIS</a>',
|
|
url: 'http://server.arcgisonline.com/ArcGIS/rest/services/' +
|
|
'World_Topo_Map/MapServer/tile/{z}/{y}/{x}'
|
|
})
|
|
});
|
|
|
|
var map = new ol.Map({
|
|
layers: [raster, vector],
|
|
target: document.getElementById('map'),
|
|
view: new ol.View({
|
|
center: ol.proj.transform([-97.6114, 38.8403], 'EPSG:4326', 'EPSG:3857'),
|
|
zoom: 7
|
|
})
|
|
});
|
|
|
|
var displayFeatureInfo = function(pixel) {
|
|
var features = [];
|
|
map.forEachFeatureAtPixel(pixel, function(feature) {
|
|
features.push(feature);
|
|
});
|
|
if (features.length > 0) {
|
|
var info = [];
|
|
var i, ii;
|
|
for (i = 0, ii = features.length; i < ii; ++i) {
|
|
info.push(features[i].get('field_name'));
|
|
}
|
|
document.getElementById('info').innerHTML = info.join(', ') || '(unknown)';
|
|
map.getTarget().style.cursor = 'pointer';
|
|
} else {
|
|
document.getElementById('info').innerHTML = ' ';
|
|
map.getTarget().style.cursor = '';
|
|
}
|
|
};
|
|
|
|
map.on('pointermove', function(evt) {
|
|
if (evt.dragging) {
|
|
return;
|
|
}
|
|
var pixel = map.getEventPixel(evt.originalEvent);
|
|
displayFeatureInfo(pixel);
|
|
});
|
|
|
|
map.on('click', function(evt) {
|
|
displayFeatureInfo(evt.pixel);
|
|
});
|