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<!DOCTYPE html>
<html lang="en">
<head>
<title>OGC Web Map Service explorer - Azure Maps Web SDK Samples</title>
<meta charset="utf-8" />
<meta http-equiv="x-ua-compatible" content="IE=Edge" />
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
<meta name="description" content="This is a simple tool for exploring Web Map Services (WMS) and Web Map Tile Services (WMTS) as layers on the map." />
<meta name="keywords" content="Microsoft maps, map, gis, API, SDK, web mapping service, web mapping tile service, wmts, wms, OGC, spatial io module" />
<meta name="author" content="Microsoft Azure Maps" />
<!-- Add references to the Azure Maps Map control JavaScript and CSS files. -->
<link rel="stylesheet" href="https://atlas.microsoft.com/sdk/javascript/mapcontrol/2/atlas.min.css" type="text/css" />
<script src="https://atlas.microsoft.com/sdk/javascript/mapcontrol/2/atlas.min.js"></script>
<!-- Add reference to the Azure Maps Spatial IO module. -->
<script src="https://atlas.microsoft.com/sdk/javascript/spatial/0/atlas-spatial.min.js"></script>
<script type='text/javascript'>
var map, popup, layer, currentCapabilities;
var proxyServiceUrl = window.location.origin + '/Common/CorsEnabledProxyService.ashx?url=';
//Sample WMTS and WMS services to let users test with.
var services = [
//WMTS services
{ name: 'Texas Vegetation (WMTS)', url: 'https://tpwd.texas.gov/arcgis/rest/services/Vegetation_Mapping/Texas_Ecological_Mapping_Systems_Data/mapserver/WMTS/1.0.0/WMTSCapabilities.xml' },
{ name: 'USGS Geologic maps (WMTS)', url: 'https://mrdata.usgs.gov/mapcache/wmts/' },
{ name: 'USGS Shaded Relief Only (WMTS)', url: 'https://basemap.nationalmap.gov/arcgis/rest/services/USGSShadedReliefOnly/MapServer/WMTS/1.0.0/WMTSCapabilities.xml' },
{ name: 'Iowa City HYDROLOGY (WMTS)', url: 'https://maps.iowa-city.org/sslarcgis/rest/services/IowaCityHYDROLOGY/DFIRM/MapServer/WMTS/1.0.0/WMTSCapabilities.xml' },
{ name: 'Luxembourg admin areas (WMTS)', url: 'https://wmts1.geoportail.lu/opendata/service' },
{ name: 'basemap.at (WMTS)', url: 'https://www.basemap.at/wmts/1.0.0/WMTSCapabilities.xml' },
{ name: 'GeoNorth Ortho (WMTS)', url: 'https://gis.dnr.alaska.gov/terrapixel/cubeserv/ortho?SERVICE=WMTS&REQUEST=GetCapabilities' },
{ name: 'GeoNorth AeronauticalCharts (WMTS)', url: 'https://gis.dnr.alaska.gov/terrapixel/cubeserv/AeronauticalCharts?SERVICE=WMTS&REQUEST=GetCapabilities' },
//WMS services
{ name: 'World geology survey (WMS)', url: 'https://mrdata.usgs.gov/services/gscworld' },
{ name: 'US Census areas (WMS)', url: 'https://tigerweb.geo.census.gov/arcgis/services/TIGERweb/tigerWMS_Current/MapServer/WMSServer' },
{ name: 'Radar base reflectivity (NOAA) (WMS)', url: 'https://idpgis.ncep.noaa.gov/arcgis/services/NWS_Observations/radar_base_reflectivity/MapServer/WmsServer' },
{ name: 'Wetlands_Raster (WMS)', url: 'https://www.fws.gov/wetlands/arcgis/services/Wetlands_Raster/ImageServer/WMSServer' },
{ name: 'Contors (WMS)', url: 'https://carto.nationalmap.gov/arcgis/services/contours/MapServer/WMSServer' },
{ name: 'Radar meteo imagery nexrad time (NOAA) (WMS)', url: 'https://nowcoast.noaa.gov/arcgis/services/nowcoast/radar_meteo_imagery_nexrad_time/MapServer/WMSServer' },
{ name: 'Natural Earth (WMS)', url: 'https://smallscale.nationalmap.gov/arcgis/services/NaturalEarth/MapServer/WMSServer' },
{ name: 'Water areas (WMS)', url: 'https://hydro.nationalmap.gov/arcgis/services/nhd/MapServer/WMSServer' },
{ name: 'USGS NAIP Plus (WMS)', url: 'https://services.nationalmap.gov/arcgis/services/USGSNAIPPlus/MapServer/WMSServer' },
{ name: 'Government land (WMS)', url: 'https://carto.nationalmap.gov/arcgis/services/govunits/MapServer/WMSServer' },
{ name: 'US Topo Availability (WMS)', url: 'https://index.nationalmap.gov/arcgis/services/USTopoAvailability/MapServer/WMSServer' }
];
function GetMap() {
//Point the Azure Maps domain to the US Azure Gov Cloud domain.
atlas.setDomain('atlas.azure.us');
//Initialize a map instance.
map = new atlas.Map('myMap', {
zoom: 1,
view: 'Auto',
//Add your Azure Maps subscription key to the map SDK. Get an Azure Maps key at https://azure.com/maps
authOptions: {
authType: 'subscriptionKey',
subscriptionKey: '<Your Azure Maps Key>'
}
});
//Generate a selection list of some predefined OGC map services.
var html = ['<option value="-1"></option>'];
for (var i = 0; i < services.length; i++) {
html.push('<option value="', i, '">', services[i].name, '</option>');
}
document.getElementById('servicesDD').innerHTML = html.join('');
//Wait until the map resources are ready.
map.events.add('ready', function () {
popup = new atlas.Popup();
//Create a style control and add it to the map.
map.controls.add(new atlas.control.StyleControl({
mapStyles: 'all'
}), {
position: 'top-right'
});
//Add a click event to the map.
map.events.add('click', mapClick);
});
}
function loadLayer(url) {
clear();
//Show the loading icon.
document.getElementById('loadingIcon').style.display = '';
//Create an OGC layer.
layer = new atlas.layer.OgcMapLayer({
url: url,
proxyService: (document.getElementById('useProxyService').checked) ? proxyServiceUrl : null,
bringIntoView: document.getElementById('bringIntoView').checked,
debug: true
});
//Monitor for when the active layers change in the layer.
layer.onActiveLayersChanged = () => {
//Get the capabilities if the active layers change.
layer.getCapabilities().then(cap => {
if (cap) {
currentCapabilities = cap;
//Build a seleciton list of sub-layers.
buildLayerList();
}
});
//Hide the loading icon.
document.getElementById('loadingIcon').style.display = 'none';
};
map.layers.add(layer, 'transit');
}
//Handle user selection from the list of known OGC services.
function loadSelectInput() {
var elm = document.getElementById('servicesDD');
var serviceIdx = parseInt(elm.options[elm.selectedIndex].value);
if (serviceIdx >= 0) {
loadLayer(services[serviceIdx].url);
} else {
clear();
}
}
//Handle user input for a user provided OGC service URL.
function loadUserInput() {
clear();
document.getElementById('servicesDD').selectedIndex = 0;
var url = document.getElementById('inputTbx').value;
if (url) {
loadLayer(url);
}
}
//Clear the map and reset the UI.
function clear() {
currentCapabilities = null;
document.getElementById('layerPicker').innerHTML = '';
if (layer) {
map.layers.remove(layer);
layer = null;
}
popup.close();
}
//Handle click events on the map.
function mapClick(e) {
if (layer) {
//Get the feature info for where the user clicked on the map.
layer.getFeatureInfo(e.position).then(result => {
if (result && result.features && result.features.length > 0) {
popup.setOptions({
content: atlas.PopupTemplate.applyTemplate(result.features[0].properties),
position: e.position
});
popup.open(map);
}
}, error => {
alert(error);
});
}
}
//Create a selection list of all the sub-layers in the layer.
function buildLayerList() {
var cap = currentCapabilities;
var html = [];
var o = layer.getOptions();
for (var i = 0; i < cap.sublayers.length; i++) {
html.push('<input type="checkbox" class="collapsible" value="', i, '"');
var isActive = false;
//Check to see if the layer is active.
if (o.activeLayers && o.activeLayers.length > 0) {
o.activeLayers.forEach(al => {
if ((typeof al === 'string' && al === cap.sublayers[i].id) || al.id === cap.sublayers[i].id) {
isActive = true;
}
});
}
var t = cap.sublayers[i].title;
if (!t || t === '') {
t = cap.sublayers[i].id;
}
//Add the title to the of the sub-layer.
if (isActive) {
html.push('checked="checked"/>', t, '<div class="content" style="display:block">');
} else {
html.push('/>', t, '<div class="content">');
}
html.push('<p>');
//Add the description of the sub-layer
if (cap.sublayers[i].description && cap.sublayers[i].description !== '') {
html.push(cap.sublayers[i].description, '<br/>');
}
//Add the zoom level range of the sub-layer.
html.push('Zoom range: ', cap.sublayers[i].minZoom, ' - ', cap.sublayers[i].maxZoom, '<br/><br/>');
//Add the legend for the sub-layer.
if (cap.sublayers[i].styles && cap.sublayers[i].styles.length > 0 && cap.sublayers[i].styles[0].legendUrl && cap.sublayers[i].styles[0].legendUrl !== '') {
html.push('<img src="', cap.sublayers[i].styles[0].legendUrl, '" />');
}
html.push('</p></div><br/>');
}
//Update the layer picker.
document.getElementById('layerPicker').innerHTML = html.join('');
//Loop through and make each collapsible item clickable.
var coll = document.getElementsByClassName("collapsible");
for (var i = 0; i < coll.length; i++) {
coll[i].addEventListener("click", function () {
this.classList.toggle("active");
var content = this.nextElementSibling;
var idx = parseInt(this.value);
var o = layer.getOptions();
var al = o.activeLayers || [];
var clickedLayer = currentCapabilities.sublayers[idx].id;
//Show the loading icon when the selected layers changes.
document.getElementById('loadingIcon').style.display = '';
//WMS services allow multiple layers to be selected.
if (o.service === 'WMS') {
if (content.style.display === "block") {
//Remove the layer.
content.style.display = "none";
al = al.filter(e => e.id !== clickedLayer);
} else {
//Add the layer.
content.style.display = "block";
al.push(clickedLayer);
}
} else {
//WMTS layers only allow a single layer to be selected.
if (content.style.display === "block") {
//Remove the layer.
content.style.display = "none";
al = [];
} else {
//Add the layer.
content.style.display = "block";
al = [clickedLayer];
}
}
//Update the list of active layers.
layer.setOptions({ activeLayers: al });
});
}
}
</script>
<style>
#myMap {
position: relative;
width: calc(100% - 400px);
min-width: 290px;
height: 600px;
float: left;
}
.sidePanel {
width: 325px;
height: 580px;
float: left;
margin-right: 10px;
}
#loadingIcon {
position: absolute;
top: 250px;
left: 120px;
}
#layerPicker {
width: 330px;
height: 230px;
overflow-y: auto;
}
.collapsible {
}
.content {
padding: 0 18px;
display: none;
}
</style>
</head>
<body onload="GetMap()">
<fieldset class="sidePanel">
<legend><h1 style="font-size:16px">OGC Web Map Service explorer</h1></legend>
This is a simple tool for exploring Web Map Services (WMS) and Web Map Tile Services (WMTS) as layers on the map.
<br /><br />
OGC Service:<br />
<select id="servicesDD" onchange="loadSelectInput()"></select><br /><br />
<center>or</center><br />
Service URL: <input type="text" id="inputTbx" /><input type="button" value="Load" onclick="loadUserInput()" /><br /><br />
<input id="useProxyService" type="checkbox" /> Use Proxy Service<br /><br />
<input id="bringIntoView" type="checkbox" checked="checked" /> Bring into view<br /><br />
<b>Sublayers</b><br /><br />
<div id="layerPicker"></div>
</fieldset>
<div id="myMap"></div>
<img id="loadingIcon" style="display:none;" src="../Common/images/loadingIcon.gif" />
</body>
</html>
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