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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" type="text/css">
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<link rel="stylesheet" href="./resources/prism/prism-1.20.0.css" type="text/css">
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<link rel="stylesheet" href="./css/ol.css" type="text/css">
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<script src="https://unpkg.com/elm-pep"></script>
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<title>WMTS Tile Transitions</title>
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</head>
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<body>
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<header class="navbar navbar-expand-sm navbar-dark mb-3 py-0" role="navigation">
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<a class="navbar-brand" href="https://openlayers.org/"><img src="./resources/logo-70x70.png" alt=""> OpenLayers</a>
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<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#olmenu" aria-controls="olmenu" aria-expanded="false" aria-label="Toggle navigation">
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<button id="latest-dismiss" type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button>
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This example uses OpenLayers v<span>6.12.0</span>. The <a id="latest-link" href="#" class="alert-link">latest</a> is v<span id="latest-version"></span>.
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</div>
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<div class="row-fluid">
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<a href="#" id="codepen-button" class="btn btn-link float-right">
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<i class="fa fa-codepen fa-lg"></i> Edit
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</a>
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<div class="span12">
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<h4 id="title">WMTS Tile Transitions</h4>
|
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|
<p class="tags">
|
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|
<span class="badge-group">
|
|
|
<a
|
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|
href="./index.html?q=wmts" class="badge badge-info">wmts</a
|
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><a
|
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class="badge badge-info tag-modal-toggle text-white"
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data-toggle="modal"
|
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data-target="#tag-example-list"
|
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data-title="wmts"
|
|
|
data-content="
|
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|
<a class="list-group-item list-group-item-action" href="./wmts-hidpi.html">High DPI WMTS</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./wmts-ign.html">IGN WMTS</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./reprojection.html">Raster Reprojection</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./wmts.html">WMTS</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./wmts-capabilities.html">WMTS Capabilities Parsing</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./wmts-layer-from-capabilities.html">WMTS Layer from Capabilities</a>
|
|
|
<a class="list-group-item list-group-item-action active" href="./wmts-dimensions.html">WMTS Tile Transitions</a>"
|
|
|
tabindex="0"
|
|
|
>7</a>
|
|
|
</span>
|
|
|
<span class="badge-group">
|
|
|
<a
|
|
|
href="./index.html?q=parameter" class="badge badge-info">parameter</a
|
|
|
><a
|
|
|
class="badge badge-info tag-modal-toggle text-white"
|
|
|
data-toggle="modal"
|
|
|
data-target="#tag-example-list"
|
|
|
data-title="parameter"
|
|
|
data-content="
|
|
|
<a class="list-group-item list-group-item-action active" href="./wmts-dimensions.html">WMTS Tile Transitions</a>"
|
|
|
tabindex="0"
|
|
|
>1</a>
|
|
|
</span>
|
|
|
<span class="badge-group">
|
|
|
<a
|
|
|
href="./index.html?q=transition" class="badge badge-info">transition</a
|
|
|
><a
|
|
|
class="badge badge-info tag-modal-toggle text-white"
|
|
|
data-toggle="modal"
|
|
|
data-target="#tag-example-list"
|
|
|
data-title="transition"
|
|
|
data-content="
|
|
|
<a class="list-group-item list-group-item-action" href="./tile-transitions.html">Tile Transitions</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./wms-time.html">WMS Time</a>
|
|
|
<a class="list-group-item list-group-item-action active" href="./wmts-dimensions.html">WMTS Tile Transitions</a>"
|
|
|
tabindex="0"
|
|
|
>3</a>
|
|
|
</span>
|
|
|
<span class="badge-group">
|
|
|
<a
|
|
|
href="./index.html?q=grid" class="badge badge-info">grid</a
|
|
|
><a
|
|
|
class="badge badge-info tag-modal-toggle text-white"
|
|
|
data-toggle="modal"
|
|
|
data-target="#tag-example-list"
|
|
|
data-title="grid"
|
|
|
data-content="
|
|
|
<a class="list-group-item list-group-item-action" href="./mapbox-vector-tiles-advanced.html">Advanced Mapbox Vector Tiles</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./wmts-ign.html">IGN WMTS</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./print-to-scale.html">Print to scale example</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./reprojection.html">Raster Reprojection</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./vector-tiles-4326.html">Vector tiles in EPSG:4326</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./wms-custom-tilegrid-512x256.html">WMS 512x256 Tiles</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./wmts.html">WMTS</a>
|
|
|
<a class="list-group-item list-group-item-action active" href="./wmts-dimensions.html">WMTS Tile Transitions</a>"
|
|
|
tabindex="0"
|
|
|
>8</a>
|
|
|
</span>
|
|
|
</p>
|
|
|
<div class="modal modal-tag-example" id="tag-example-list" tabindex="-1" role="dialog" aria-labelledby="tag-example-title" aria-hidden="true">
|
|
|
<div class="modal-dialog modal-dialog-scrollable" role="document">
|
|
|
<div class="modal-content">
|
|
|
<div class="modal-header">
|
|
|
<h5 class="modal-title" id="tag-example-title"></h5>
|
|
|
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
|
|
|
<span aria-hidden="true">×</span>
|
|
|
</button>
|
|
|
</div>
|
|
|
<div class="modal-body">
|
|
|
<div class="list-group"></div>
|
|
|
</div>
|
|
|
</div>
|
|
|
</div>
|
|
|
</div>
|
|
|
<div id="map" class="map"></div>
|
|
|
<label>
|
|
|
Sea-level
|
|
|
<input id="slider" type="range" value="10" max="100" min="-1">
|
|
|
</label>
|
|
|
<span id="theinfo"></span>
|
|
|
|
|
|
</div>
|
|
|
<form method="POST" id="codepen-form" target="_blank" action="https://codesandbox.io/api/v1/sandboxes/define">
|
|
|
<input id="codesandbox-params" type="hidden" name="parameters">
|
|
|
</form>
|
|
|
</div>
|
|
|
|
|
|
<div class="row-fluid">
|
|
|
<div class="span12">
|
|
|
<p id="shortdesc">Example of smooth tile transitions when changing the dimension of a WMTS layer.</p>
|
|
|
<div id="docs"><p>Demonstrates smooth reloading of layers when changing a dimension continuously. The demonstration layer is a global sea-level computation (flooding computation from <a href="https://scalgo.com/">SCALGO</a>, underlying data from <a href="https://cgiarcsi.community/data/srtm-90m-digital-elevation-database-v4-1">CGIAR-CSI SRTM</a>) where cells that are flooded if the sea-level rises to more than <em>x</em> m are colored blue. The user selects the sea-level dimension using a slider.</p>
|
|
|
</div>
|
|
|
</div>
|
|
|
</div>
|
|
|
|
|
|
<div class="row-fluid">
|
|
|
<h5 class="source-heading">main.js</h5>
|
|
|
<pre><code id="example-js-source" class="language-js">import 'ol/ol.css';
|
|
|
import Map from 'ol/Map';
|
|
|
import OSM from 'ol/source/OSM';
|
|
|
import TileLayer from 'ol/layer/Tile';
|
|
|
import View from 'ol/View';
|
|
|
import WMTS from 'ol/source/WMTS';
|
|
|
import WMTSTileGrid from 'ol/tilegrid/WMTS';
|
|
|
import {get as getProjection} from 'ol/proj';
|
|
|
import {getTopLeft, getWidth} from 'ol/extent';
|
|
|
|
|
|
// create the WMTS tile grid in the google projection
|
|
|
const projection = getProjection('EPSG:3857');
|
|
|
const tileSizePixels = 256;
|
|
|
const tileSizeMtrs = getWidth(projection.getExtent()) / tileSizePixels;
|
|
|
const matrixIds = [];
|
|
|
const resolutions = [];
|
|
|
for (let i = 0; i <= 14; i++) {
|
|
|
matrixIds[i] = i;
|
|
|
resolutions[i] = tileSizeMtrs / Math.pow(2, i);
|
|
|
}
|
|
|
const tileGrid = new WMTSTileGrid({
|
|
|
origin: getTopLeft(projection.getExtent()),
|
|
|
resolutions: resolutions,
|
|
|
matrixIds: matrixIds,
|
|
|
});
|
|
|
|
|
|
const scalgoToken = 'CC5BF28A7D96B320C7DFBFD1236B5BEB';
|
|
|
|
|
|
const wmtsSource = new WMTS({
|
|
|
url: 'https://ts2.scalgo.com/olpatch/wmts?token=' + scalgoToken,
|
|
|
layer: 'SRTM_4_1:SRTM_4_1_flooded_sealevels',
|
|
|
format: 'image/png',
|
|
|
matrixSet: 'EPSG:3857',
|
|
|
attributions: [
|
|
|
'<a href="https://scalgo.com" target="_blank">SCALGO</a>',
|
|
|
'<a href="https://cgiarcsi.community/data/' +
|
|
|
'srtm-90m-digital-elevation-database-v4-1"' +
|
|
|
' target="_blank">CGIAR-CSI SRTM</a>',
|
|
|
],
|
|
|
tileGrid: tileGrid,
|
|
|
style: 'default',
|
|
|
dimensions: {
|
|
|
'threshold': 100,
|
|
|
},
|
|
|
});
|
|
|
|
|
|
const map = new Map({
|
|
|
target: 'map',
|
|
|
view: new View({
|
|
|
projection: projection,
|
|
|
center: [-9871995, 3566245],
|
|
|
zoom: 6,
|
|
|
}),
|
|
|
layers: [
|
|
|
new TileLayer({
|
|
|
source: new OSM(),
|
|
|
}),
|
|
|
new TileLayer({
|
|
|
opacity: 0.5,
|
|
|
source: wmtsSource,
|
|
|
}),
|
|
|
],
|
|
|
});
|
|
|
|
|
|
const slider = document.getElementById('slider');
|
|
|
const updateSourceDimension = function () {
|
|
|
wmtsSource.updateDimensions({'threshold': slider.value});
|
|
|
document.getElementById('theinfo').innerHTML = slider.value + ' meters';
|
|
|
};
|
|
|
slider.addEventListener('input', updateSourceDimension);
|
|
|
slider.addEventListener('change', updateSourceDimension);
|
|
|
updateSourceDimension();
|
|
|
</code></pre>
|
|
|
</div>
|
|
|
|
|
|
<div class="row-fluid">
|
|
|
<h5 class="source-heading">index.html</h5>
|
|
|
<pre><code id="example-html-source" class="language-markup"><!DOCTYPE html>
|
|
|
<html lang="en">
|
|
|
<head>
|
|
|
<meta charset="UTF-8">
|
|
|
<title>WMTS Tile Transitions</title>
|
|
|
<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
|
|
|
<script src="https://unpkg.com/elm-pep"></script>
|
|
|
<!-- The lines below are only needed for old environments like Internet Explorer and Android 4.x -->
|
|
|
<script src="https://cdn.polyfill.io/v3/polyfill.min.js?features=fetch,requestAnimationFrame,Element.prototype.classList,TextDecoder"></script>
|
|
|
<script src="https://cdnjs.cloudflare.com/ajax/libs/core-js/3.18.3/minified.js"></script>
|
|
|
<style>
|
|
|
.map {
|
|
|
width: 100%;
|
|
|
height:400px;
|
|
|
}
|
|
|
</style>
|
|
|
</head>
|
|
|
<body>
|
|
|
<div id="map" class="map"></div>
|
|
|
<label>
|
|
|
Sea-level
|
|
|
<input id="slider" type="range" value="10" max="100" min="-1">
|
|
|
</label>
|
|
|
<span id="theinfo"></span>
|
|
|
<script src="main.js"></script>
|
|
|
</body>
|
|
|
</html></code></pre>
|
|
|
</div>
|
|
|
|
|
|
<div class="row-fluid">
|
|
|
<h5 class="source-heading">package.json</h5>
|
|
|
<pre><code id="example-pkg-source" class="language-json">{
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"name": "wmts-dimensions",
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"dependencies": {
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"ol": "6.12.0"
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},
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"devDependencies": {
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"parcel": "^2.0.0"
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},
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"scripts": {
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"start": "parcel index.html",
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"build": "parcel build --public-url . index.html"
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}
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}</code></pre>
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</div>
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</div>
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|
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<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
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<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.bundle.min.js"></script>
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<script src="./resources/prism/prism-1.20.0.min.js"></script>
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<script src="./resources/common.js"></script>
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<script src="common.js"></script>
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<script src="wmts-dimensions.js"></script>
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<script>
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$('#tag-example-list').on('show.bs.modal', function (event) {
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const button = $(event.relatedTarget); // Button that triggered the modal
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const title = button.data('title');
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const content = button.data('content');
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|
const modal = $(this)
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|
modal.find('.modal-title').text(title);
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modal.find('.modal-body').html(content);
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});
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|
|
|
|
var packageUrl = 'https://raw.githubusercontent.com/openlayers/openlayers.github.io/build/package.json';
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|
fetch(packageUrl).then(function(response) {
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|
return response.json();
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|
}).then(function(json) {
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|
var latestVersion = json.version;
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|
document.getElementById('latest-version').innerHTML = latestVersion;
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|
|
var url = window.location.href;
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|
|
var branchSearch = url.match(/\/([^\/]*)\/examples\//);
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|
|
var cookieText = 'dismissed=-' + latestVersion + '-';
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|
var dismissed = document.cookie.indexOf(cookieText) != -1;
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|
if (branchSearch && !dismissed && /^v[0-9\.]*$/.test(branchSearch[1]) && '6.12.0' != latestVersion) {
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|
var link = url.replace(branchSearch[0], '/latest/examples/');
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|
fetch(link, {method: 'head'}).then(function(response) {
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|
|
var a = document.getElementById('latest-link');
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|
a.href = response.status == 200 ? link : '../../latest/examples/';
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|
});
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|
|
var latestCheck = document.getElementById('latest-check');
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|
latestCheck.style.display = '';
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|
document.getElementById('latest-dismiss').onclick = function() {
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|
|
latestCheck.style.display = 'none';
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|
document.cookie = cookieText;
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|
|
}
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|
|
}
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|
|
});
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|
|
</script>
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|
|
</body>
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|
|
</html>
|
