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Line Layer Options.html
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Line Layer Options.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Line 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 line layer affect rendering." />
<meta name="keywords" content="Microsoft maps, map, gis, API, SDK, line, linestring, polyline, layer, linelayer" />
<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, lineLayer, defaultOptions, removeDefaults;
function getMap() {
//Initialize a map instance.
map = new atlas.Map('myMap', {
center: [-90, 40],
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 line to data source.
datasource.add(new atlas.data.LineString([[-74.00390, 40.88029], [-87.58300, 41.93497], [-105.20507, 39.77476], [-122.43164, 47.66538]]));
//Create a layer to render the line data.
lineLayer = new atlas.layer.LineLayer(datasource);
map.layers.add(lineLayer);
defaultOptions = lineLayer.getOptions();
//Update the line layer with the options in the input fields.
updateLineLayer();
});
new ClipboardJS('.copyBtn');
}
function updateLineLayer() {
var options = getInputOptions();
//Update all the options in the line layer.
lineLayer.setOptions(options);
document.getElementById('CodeOutput').value = JSON.stringify(options, null, '\t').replace(/\"([^(\")"]+)\":/g, "$1:");
}
function getInputOptions() {
removeDefaults = document.getElementById('RemoveDefaults').checked;
var sda = document.getElementById('StrokeDashArray').value;
var dashArray = undefined;
if (sda && sda != '') {
sda = sda.split(/[\s,]+/);
if (sda && sda.length > 1) {
dashArray = [];
for (var i = 0; i < sda.length; i++) {
dashArray.push(parseInt(sda[i]));
}
}
}
return {
strokeColor: getPropertyValue('color', document.getElementById('StrokeColor').value),
strokeOpacity: getPropertyValue('strokeOpacity', parseFloat(document.getElementById('StrokeOpacity').value)),
strokeWidth: getPropertyValue('strokeWidth', parseFloat(document.getElementById('StrokeWidth').value)),
blur: getPropertyValue('blur', parseFloat(document.getElementById('Blur').value)),
lineCap: getPropertyValue('lineCap', getSelectValue('LineCap')),
lineJoin: getPropertyValue('lineJoin', getSelectValue('LineJoin')),
offset: getPropertyValue('offset', parseFloat(document.getElementById('Offset').value)),
minZoom: getPropertyValue('minZoom', parseFloat(document.getElementById('MinZoom').value)),
maxZoom: getPropertyValue('maxZoom', parseFloat(document.getElementById('MaxZoom').value)),
visible: getPropertyValue('visible', document.getElementById('Visible').checked),
strokeDashArray: dashArray,
translateAnchor: getPropertyValue('translateAnchor', document.getElementById('TranslateAnchor').value),
translate: getPropertyValue('translate', [
parseFloat(document.getElementById('TranslateX').value),
parseFloat(document.getElementById('TranslateY').value)
])
};
}
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";
}
</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;
}
</style>
</head>
<body onload="getMap()">
<fieldset class="sidePanel">
<legend>Line Layer Options</legend>
This sample shows how the different options of the line layer affect rendering.
<br /><br />
<div class="tab">
<button class="tablinks active" onclick="openTab(this, 'StyleOptions')">Base Options</button>
<button class="tablinks" onclick="openTab(this, 'LineStyleOptions')">Line Options</button>
<button class="tablinks" onclick="openTab(this, 'Code')">Code</button>
</div>
<div id="StyleOptions" class="tabcontent" style="display:block;">
<table>
<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="updateLineLayer()" onchange="updateLineLayer()" />
<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="updateLineLayer()" onchange="updateLineLayer()" />
<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="updateLineLayer()" checked="checked" /></td>
</tr>
</table>
<p>
In addition to the options in this tool, the LineLayer also has options for;
<ul>
<li>sourceLayer - used with VectorTileSource.</li>
<li>strokeGradient</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="LineStyleOptions" class="tabcontent">
<table>
<tr title="The color used to outline the line.">
<td>Stroke Color:</td>
<td><input type="color" id="StrokeColor" value="#1E90FF" onchange="updateLineLayer()" /></td>
</tr>
<tr title="A number between 0 and 1 that indicates the opacity at which the stroke will be drawn.">
<td>Stroke Opacity:</td>
<td>
<form oninput="o.value=StrokeOpacity.value">
<input type="range" id="StrokeOpacity" value="1" min="0" max="1" step="0.1" oninput="updateLineLayer()" onchange="updateLineLayer()" />
<output name="o" for="StrokeOpacity">1</output>
</form>
</td>
</tr>
<tr title="The width of the line in pixels. Must be a value greater or equal to 0.">
<td>Stroke Width:</td>
<td>
<form oninput="sw.value=StrokeWidth.value">
<input type="range" id="StrokeWidth" value="2" min="0" max="25" step="1" oninput="updateLineLayer()" onchange="updateLineLayer()" />
<output name="sw" for="StrokeWidth">2</output>
</form>
</td>
</tr>
<tr title="Specifies how the ends of the lines are rendered.">
<td>Line Cap:</td>
<td>
<select id="LineCap" onchange="updateLineLayer()">
<option value="butt">butt</option>
<option value="round" selected="selected">round</option>
<option value="square">square</option>
</select>
</td>
</tr>
<tr title="Specifies how the joints in the lines are rendered.">
<td>Line Join:</td>
<td>
<select id="LineJoin" onchange="updateLineLayer()">
<option value="bevel">bevel</option>
<option value="miter">miter</option>
<option value="round" selected="selected">round</option>
</select>
</td>
</tr>
<tr title="The amount of blur to apply to the line in pixels.">
<td>Blur:</td>
<td>
<form oninput="b.value=Blur.value">
<input type="range" id="Blur" value="0" min="0" max="25" step="1" oninput="updateLineLayer()" onchange="updateLineLayer()" />
<output name="b" for="Blur">0</output>
</form>
</td>
</tr>
<tr title="The line's offset.">
<td>Offset:</td>
<td>
<form oninput="o.value=Offset.value">
<input type="range" id="Offset" value="0" min="-25" max="25" step="1" oninput="updateLineLayer()" onchange="updateLineLayer()" />
<output name="o" for="Offset">0</output>
</form>
</td>
</tr>
<tr title="An integer value that specifies the width and height dimensions of the map tiles. For a seamless experience, the tile size must by a multiplier of 2. ">
<td>Stroke Dash Array</td>
<td>
<input type="text" id="StrokeDashArray" onkeyup="updateLineLayer()" />
</td>
</tr>
<tr title="Specifies the frame of reference for `translate`.">
<td>Translate Anchor:</td>
<td>
<select id="TranslateAnchor" onchange="updateLineLayer()">
<option value="map">map</option>
<option value="viewport" selected="selected">viewport</option>
</select>
</td>
</tr>
<tr title="The amount of offset in pixels to render the line relative to where it would render normally.">
<td>Translate:</td>
<td></td>
</tr>
<tr title="Specifies an offset distance of the line in pixels. Positive values indicate right and down, while negative values indicate left and up. Each component is multiplied by the value of size to obtain the final offset in pixels. When combined with rotation the offset will be as if the rotated direction was up.">
<td align="right">x:</td>
<td>
<form oninput="x.value=TranslateX.value">
<input type="range" id="TranslateX" value="0" min="-50" max="50" step="1" oninput="updateLineLayer()" onchange="updateSymbolLayer()" />
<output name="x" for="TranslateX">0</output>
</form>
</td>
</tr>
<tr title="Specifies an offset distance of the line in pixels. Positive values indicate right and down, while negative values indicate left and up. Each component is multiplied by the value of size to obtain the final offset in pixels. When combined with rotation the offset will be as if the rotated direction was up.">
<td align="right">y:</td>
<td>
<form oninput="y.value=TranslateY.value">
<input type="range" id="TranslateY" value="0" min="-50" max="50" step="01" oninput="updateLineLayer()" onchange="updateSymbolLayer()" />
<output name="y" for="TranslateY">0</output>
</form>
</td>
</tr>
</table>
</div>
<div id="Code" class="tabcontent">
<textarea id="CodeOutput"></textarea><br /><br />
<input id="RemoveDefaults" type="checkbox" onclick="updateLineLayer()" checked="checked" /> Remove defaults
<button class="copyBtn" data-clipboard-target="#CodeOutput">Copy to clipboard</button>
</div>
</fieldset>
<div id="myMap"></div>
</body>
</html>