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Polygon Layer Options.html
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Polygon Layer Options.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Polygon Layer Options - Azure Maps Web SDK Samples</title>
<meta charset="utf-8" />
<link rel="shortcut icon" href="/favicon.ico"/>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
<meta name="description" content="This sample shows how the different options of the polygon layer affect rendering." />
<meta name="keywords" content="Microsoft maps, map, gis, API, SDK, polygon, layer" />
<meta name="author" content="Microsoft Azure Maps" /><meta name="version" content="1.0" />
<meta name="screenshot" content="screenshot.jpg" />
<!-- Add references to the Azure Maps Map control JavaScript and CSS files. -->
<link href="https://atlas.microsoft.com/sdk/javascript/mapcontrol/3/atlas.min.css" rel="stylesheet" />
<script src="https://atlas.microsoft.com/sdk/javascript/mapcontrol/3/atlas.min.js"></script>
<script src="/lib/clipboard/dist/clipboard.min.js"></script>
<script>
var map, datasource, polygonLayer, defaultOptions, removeDefaults, selectedFillPatternIdx = 0;
var fillPatterns = [
'fill-checker-blue', 'fill-checker-darkblue', 'fill-checker-green', 'fill-checker-red', 'fill-checker-yellow',
'fill-diamond-blue', 'fill-diamond-darkblue', 'fill-diamond-green', 'fill-diamond-red', 'fill-diamond-yellow',
'fill-grid-blue', 'fill-grid-darkblue', 'fill-grid-green', 'fill-grid-red', 'fill-grid-yellow',
'fill-smallgrid-blue', 'fill-smallgrid-darkblue', 'fill-smallgrid-green', 'fill-smallgrid-red', 'fill-smallgrid-yellow',
'fill-stripes-downwards-blue', 'fill-stripes-downwards-darkblue', 'fill-stripes-downwards-green', 'fill-stripes-downwards-red', 'fill-stripes-downwards-yellow',
'fill-stripes-upwards-blue', 'fill-stripes-upwards-darkblue', 'fill-stripes-upwards-green', 'fill-stripes-upwards-red', 'fill-stripes-upwards-yellow',
'fill-grass-pattern', 'fill-forest-pattern'
];
function getMap() {
//Initialize a map instance.
map = new atlas.Map('myMap', {
center: [12, 39],
zoom: 2,
view: 'Auto',
//Add authentication details for connecting to Azure Maps.
authOptions: {
//Use Microsoft Entra ID authentication.
authType: 'anonymous',
clientId: 'e6b6ab59-eb5d-4d25-aa57-581135b927f0', //Your Azure Maps client id for accessing your Azure Maps account.
getToken: function (resolve, reject, map) {
//URL to your authentication service that retrieves an Microsoft Entra ID Token.
var tokenServiceUrl = 'https://samples.azuremaps.com/api/GetAzureMapsToken';
fetch(tokenServiceUrl).then(r => r.text()).then(token => resolve(token));
}
//Alternatively, use an Azure Maps key. Get an Azure Maps key at https://azure.com/maps. NOTE: The primary key should be used as the key.
//authType: 'subscriptionKey',
//subscriptionKey: '[YOUR_AZURE_MAPS_KEY]'
}
});
//Wait until the map resources are ready.
map.events.add('ready', function () {
//Create a style control and add it to the map.
map.controls.add(new atlas.control.StyleControl({
style: 'dark'
}), {
position: 'top-right'
});
//Create a data source and add it to the map.
datasource = new atlas.source.DataSource();
map.sources.add(datasource);
//Add polygon to data source.
datasource.add(new atlas.data.Polygon([[[-15.82031, 2.46018], [14.0625, 30.14512], [40.78125, 2.81137], [12.30468, 65.21989], [-15.82031, 2.46018]]]));
//Create a layer to render the polygon data.
polygonLayer = new atlas.layer.PolygonLayer(datasource);
map.layers.add(polygonLayer, 'labels');
defaultOptions = polygonLayer.getOptions();
//Update the polygon layer with the options in the input fields.
createFillPatternOptions();
fillPatternSelected(document.getElementById('fillPatternDropdown').childNodes[0], 0);
toggleFillPatternDropdown();
});
new ClipboardJS('.copyBtn');
}
function updatePolygonLayer() {
var options = getInputOptions();
//Update all the options in the polygon layer.
polygonLayer.setOptions(options);
document.getElementById('CodeOutput').value = JSON.stringify(options, null, '\t').replace(/\"([^(\")"]+)\":/g, "$1:");
}
function getInputOptions() {
removeDefaults = document.getElementById('RemoveDefaults').checked;
var options = {
fillOpacity: getPropertyValue('fillOpacity', parseFloat(document.getElementById('FillOpacity').value)),
minZoom: getPropertyValue('minZoom', parseFloat(document.getElementById('MinZoom').value)),
maxZoom: getPropertyValue('maxZoom', parseFloat(document.getElementById('MaxZoom').value)),
visible: getPropertyValue('visible', document.getElementById('Visible').checked)
};
//Need to make the fill pattern undefined to override it.
polygonLayer.setOptions({ fillPattern: undefined });
if (document.getElementById('fillColorBtn').checked || document.getElementById('FillColorTransparent').checked) {
options.fillColor = getPropertyValue('fillColor', document.getElementById('FillColorTransparent').checked ? 'transparent' : document.getElementById('FillColor').value);
} else {
options.fillPattern = fillPatterns[selectedFillPatternIdx];
}
return options;
}
function getPropertyValue(propertyName, value) {
if (removeDefaults && defaultOptions[propertyName] === value) {
return undefined;
}
return value;
}
function getSelectValue(id) {
var elm = document.getElementById(id);
return elm.options[elm.selectedIndex].value;
}
function openTab(elm, tabName) {
var i, tabcontent, tablinks;
tabcontent = document.getElementsByClassName("tabcontent");
for (i = 0; i < tabcontent.length; i++) {
tabcontent[i].style.display = "none";
}
tablinks = document.getElementsByClassName("tablinks");
for (i = 0; i < tablinks.length; i++) {
tablinks[i].className = tablinks[i].className.replace(" active", "");
}
document.getElementById(tabName).style.display = "block";
elm.className += " active";
}
function createFillPatternOptions() {
var html = [];
for (var i = 0; i < fillPatterns.length; i++) {
map.imageSprite.add(fillPatterns[i], '/images/fill-patterns/' + fillPatterns[i] + '.png');
html.push('<a class="pattern-selector" href="javascript:void(0);" onclick="fillPatternSelected(this, ', i, ');" style="background-image:url(\'/images/fill-patterns/', fillPatterns[i], '.png\')" title="', fillPatterns[i], '"></a>');
}
document.getElementById('fillPatternDropdown').innerHTML = html.join('');
}
function fillPatternSelected(elm, idx) {
selectedFillPatternIdx = idx;
document.getElementById('fillPatternBtn').style.backgroundImage = elm.style.backgroundImage;
toggleFillPatternDropdown();
updatePolygonLayer();
}
function toggleFillPatternDropdown() {
document.getElementById("fillPatternDropdown").classList.toggle("show");
}
</script>
<style>
#myMap {
position: relative;
width: calc(100% - 375px);
min-width:290px;
height: 600px;
float: left;
}
.sidePanel {
width: 325px;
height: 580px;
float: left;
margin-right: 10px;
}
#CodeOutput {
width: 300px;
height: 420px;
overflow-y: auto;
}
.copyBtn {
float: right;
}
table td:nth-of-type(1) {
width: 120px;
}
table td:nth-of-type(2) {
width: 200px;
}
.tab {
overflow: hidden;
border: 1px solid #ccc;
background-color: #f1f1f1;
}
.tab button {
background-color: inherit;
float: left;
border: none;
outline: none;
cursor: pointer;
padding: 6px 8px;
transition: 0.3s;
font-size: 14px;
}
.tab button:hover {
background-color: #ddd;
}
.tab button.active {
background-color: #ccc;
}
.tabcontent {
display: none;
padding: 6px 12px;
border: 1px solid #ccc;
border-top: none;
}
/* Dropdown Button */
.dropbtn {
background-color: white;
color: white;
height: 20px;
width: 150px;
border: none;
cursor: pointer;
}
/* Dropdown button on hover & focus */
.dropbtn:hover, .dropbtn:focus {
background-color: white;
}
/* The container <div> - needed to position the dropdown content */
.dropdown {
position: relative;
display: inline-block;
}
/* Dropdown Content (Hidden by Default) */
.dropdown-content {
display: none;
position: absolute;
background-color: #f1f1f1;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
z-index: 1;
max-height:400px;
overflow-y:auto;
}
/* Links inside the dropdown */
.dropdown-content a {
color: black;
padding: 6px;
display: block;
}
/* Change color of dropdown links on hover */
.dropdown-content a:hover {
background-color: #ddd
}
/* Show the dropdown menu (use JS to add this class to the .dropdown-content container when the user clicks on the dropdown button) */
.show {
display: block;
}
.pattern-selector {
background-repeat: repeat;
height: 10px;
width: 150px;
}
</style>
</head>
<body onload="getMap()">
<fieldset class="sidePanel">
<legend>Polygon Layer Options</legend>
This sample shows how the different options of the polygon layer affect rendering.
<br /><br />
<div class="tab">
<button class="tablinks active" onclick="openTab(this, 'StyleOptions')">Layer Options</button>
<button class="tablinks" onclick="openTab(this, 'Code')">Code</button>
</div>
<div id="StyleOptions" class="tabcontent" style="display:block;">
<table>
<tr title="The color to fill the polygons with.">
<td><input id="fillColorBtn" name="fillGroup" type="radio" onclick="updatePolygonLayer()" checked="checked" /> Fill Color:</td>
<td>
<input type="color" value="#1A73AA" id="FillColor" onchange="updatePolygonLayer()" />
<input type="checkbox" id="FillColorTransparent" onclick="updatePolygonLayer()" />Transparent
</td>
</tr>
<tr title="The color gradient expression to colorize the heat map.">
<td><input name="fillGroup" type="radio" onclick="updatePolygonLayer()"/>Fill Pattern:</td>
<td>
<div class="dropdown">
<button id="fillPatternBtn" onclick="toggleFillPatternDropdown()" class="dropbtn"></button>
<div id="fillPatternDropdown" class="dropdown-content">
</div>
</div>
</td>
</tr>
<tr title="A number between 0 and 1 that indicates the opacity at which the fill will be drawn.">
<td>Fill Opacity:</td>
<td>
<form oninput="o.value=FillOpacity.value">
<input type="range" id="FillOpacity" value="0.5" min="0" max="1" step="0.1" oninput="updatePolygonLayer()" onchange="updatePolygonLayer()" />
<output name="o" for="FillOpacity">0.5</output>
</form>
</td>
</tr>
<tr title="An integer specifying the minimum zoom level to render the layer at.">
<td>Min Zoom:</td>
<td>
<form oninput="minz.value=MinZoom.value">
<input type="range" id="MinZoom" value="0" min="0" max="24" step="1" oninput="updatePolygonLayer()" onchange="updatePolygonLayer()" />
<output name="minz" for="MinZoom">0</output>
</form>
</td>
</tr>
<tr title="An integer specifying the maximum zoom level to render the layer at.">
<td>Max Zoom:</td>
<td>
<form oninput="maxz.value=MaxZoom.value">
<input type="range" id="MaxZoom" value="24" min="0" max="24" step="1" oninput="updatePolygonLayer()" onchange="updatePolygonLayer()" />
<output name="maxz" for="MaxZoom">24</output>
</form>
</td>
</tr>
<tr title="Specifies if the layer is visible or not.">
<td>Visible:</td>
<td><input id="Visible" type="checkbox" onclick="updatePolygonLayer()" checked="checked" /></td>
</tr>
</table>
<p>
In addition to the options in this tool, the PolygonLayer also has options for;
<ul>
<li>sourceLayer - used with VectorTileSource.</li>
<li>filter - used to filter data in layer.</li>
</ul>
Many options in this layer also support Expressions which are not demonstrated in this sample.
</p>
</div>
<div id="Code" class="tabcontent">
<textarea id="CodeOutput"></textarea><br /><br />
<input id="RemoveDefaults" type="checkbox" onclick="updatePolygonLayer()" checked="checked" /> Remove defaults
<button class="copyBtn" data-clipboard-target="#CodeOutput">Copy to clipboard</button>
</div>
</fieldset>
<div id="myMap"></div>
</body>
</html>