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SubmarineMonitoring/common/plugin/map/ol/v6.12.0/examples/wms-image-custom-proj.html

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<link rel="stylesheet" href="./resources/prism/prism-1.20.0.css" type="text/css">
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<title>Single Image WMS with Proj4js</title>
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<div id="latest-check" class="alert alert-warning alert-dismissible" role="alert" style="display:none">
<button id="latest-dismiss" type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>
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>.
</div>
<div class="row-fluid">
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<i class="fa fa-codepen fa-lg"></i> Edit
</a>
<div class="span12">
<h4 id="title">Single Image WMS with Proj4js</h4>
<p class="tags">
<span class="badge-group">
<a
href="./index.html?q=wms" class="badge badge-info">wms</a
><a
class="badge badge-info tag-modal-toggle text-white"
data-toggle="modal"
data-target="#tag-example-list"
data-title="wms"
data-content="
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./wms-custom-proj.html&quot;&gt;Custom Tiled WMS&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./reprojection.html&quot;&gt;Raster Reprojection&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./wms-image.html&quot;&gt;Single Image WMS&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action active&quot; href=&quot;./wms-image-custom-proj.html&quot;&gt;Single Image WMS with Proj4js&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./wms-tiled.html&quot;&gt;Tiled WMS&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./wms-tiled-wrap-180.html&quot;&gt;Tiled WMS Wrapping&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./wms-custom-tilegrid-512x256.html&quot;&gt;WMS 512x256 Tiles&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./wms-capabilities.html&quot;&gt;WMS Capabilities Parsing&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./wms-getlegendgraphic.html&quot;&gt;WMS GetLegendGraphic&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./wms-time.html&quot;&gt;WMS Time&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./wms-no-proj.html&quot;&gt;WMS without Projection&lt;/a&gt;"
tabindex="0"
>11</a>
</span>
<span class="badge-group">
<a
href="./index.html?q=singleimage" class="badge badge-info">singleimage</a
><a
class="badge badge-info tag-modal-toggle text-white"
data-toggle="modal"
data-target="#tag-example-list"
data-title="singleimage"
data-content="
&lt;a class=&quot;list-group-item list-group-item-action active&quot; href=&quot;./wms-image-custom-proj.html&quot;&gt;Single Image WMS with Proj4js&lt;/a&gt;"
tabindex="0"
>1</a>
</span>
<span class="badge-group">
<a
href="./index.html?q=proj4js" class="badge badge-info">proj4js</a
><a
class="badge badge-info tag-modal-toggle text-white"
data-toggle="modal"
data-target="#tag-example-list"
data-title="proj4js"
data-content="
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./reprojection-image.html&quot;&gt;Image Reprojection&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./reprojection.html&quot;&gt;Raster Reprojection&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./reprojection-by-code.html&quot;&gt;Reprojection with EPSG.io Search&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action active&quot; href=&quot;./wms-image-custom-proj.html&quot;&gt;Single Image WMS with Proj4js&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./sphere-mollweide.html&quot;&gt;Sphere Mollweide&lt;/a&gt;"
tabindex="0"
>5</a>
</span>
<span class="badge-group">
<a
href="./index.html?q=projection" class="badge badge-info">projection</a
><a
class="badge badge-info tag-modal-toggle text-white"
data-toggle="modal"
data-target="#tag-example-list"
data-title="projection"
data-content="
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./wms-custom-proj.html&quot;&gt;Custom Tiled WMS&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./reprojection-image.html&quot;&gt;Image Reprojection&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./reprojection-wgs84.html&quot;&gt;OpenStreetMap Reprojection&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./scaleline-indiana-east.html&quot;&gt;OpenStreetMap Reprojection with ScaleLine Control&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./projection-and-scale.html&quot;&gt;Projection and Scale&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./reprojection.html&quot;&gt;Raster Reprojection&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./reprojection-by-code.html&quot;&gt;Reprojection with EPSG.io Search&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action active&quot; href=&quot;./wms-image-custom-proj.html&quot;&gt;Single Image WMS with Proj4js&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./sphere-mollweide.html&quot;&gt;Sphere Mollweide&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./wms-no-proj.html&quot;&gt;WMS without Projection&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./zoomify.html&quot;&gt;Zoomify&lt;/a&gt;"
tabindex="0"
>11</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">&times;</span>
</button>
</div>
<div class="modal-body">
<div class="list-group"></div>
</div>
</div>
</div>
</div>
<div id="map" class="map"></div>
</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 integrating Proj4js for coordinate transforms.</p>
<div id="docs"><p>With <a href="http://proj4js.org/">Proj4js</a> integration, OpenLayers can transform coordinates between arbitrary projections.</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 ImageLayer from &#x27;ol/layer/Image&#x27;;
import ImageWMS from &#x27;ol/source/ImageWMS&#x27;;
import Map from &#x27;ol/Map&#x27;;
import Projection from &#x27;ol/proj/Projection&#x27;;
import View from &#x27;ol/View&#x27;;
import proj4 from &#x27;proj4&#x27;;
import {ScaleLine, defaults as defaultControls} from &#x27;ol/control&#x27;;
import {fromLonLat} from &#x27;ol/proj&#x27;;
import {register} from &#x27;ol/proj/proj4&#x27;;
// Transparent Proj4js support:
//
// EPSG:21781 is known to Proj4js because its definition is registered by
// calling proj4.defs(). Now when we create an ol/proj/Projection instance with
// the &#x27;EPSG:21781&#x27; code, OpenLayers will pick up the transform functions from
// Proj4js. To get the registered ol/proj/Projection instance with other
// parameters like units and axis orientation applied from Proj4js, use
// &#x60;ol/proj#get(&#x27;EPSG:21781&#x27;)&#x60;.
//
// Note that we are setting the projection&#x27;s extent here, which is used to
// determine the view resolution for zoom level 0. Recommended values for a
// projection&#x27;s validity extent can be found at https://epsg.io/.
proj4.defs(
&#x27;EPSG:21781&#x27;,
&#x27;+proj&#x3D;somerc +lat_0&#x3D;46.95240555555556 +lon_0&#x3D;7.439583333333333 +k_0&#x3D;1 &#x27; +
&#x27;+x_0&#x3D;600000 +y_0&#x3D;200000 +ellps&#x3D;bessel &#x27; +
&#x27;+towgs84&#x3D;660.077,13.551,369.344,2.484,1.783,2.939,5.66 +units&#x3D;m +no_defs&#x27;
);
register(proj4);
const projection &#x3D; new Projection({
code: &#x27;EPSG:21781&#x27;,
extent: [485869.5728, 76443.1884, 837076.5648, 299941.7864],
});
const extent &#x3D; [420000, 30000, 900000, 350000];
const layers &#x3D; [
new ImageLayer({
extent: extent,
source: new ImageWMS({
url: &#x27;https://wms.geo.admin.ch/&#x27;,
crossOrigin: &#x27;anonymous&#x27;,
attributions:
&#x27;© &lt;a href&#x3D;&quot;https://shop.swisstopo.admin.ch/en/products/maps/national/lk1000&quot;&#x27; +
&#x27;target&#x3D;&quot;_blank&quot;&gt;Pixelmap 1:1000000 / geo.admin.ch&lt;/a&gt;&#x27;,
params: {
&#x27;LAYERS&#x27;: &#x27;ch.swisstopo.pixelkarte-farbe-pk1000.noscale&#x27;,
&#x27;FORMAT&#x27;: &#x27;image/jpeg&#x27;,
},
serverType: &#x27;mapserver&#x27;,
}),
}),
new ImageLayer({
extent: extent,
source: new ImageWMS({
url: &#x27;https://wms.geo.admin.ch/&#x27;,
crossOrigin: &#x27;anonymous&#x27;,
attributions:
&#x27;© &lt;a href&#x3D;&quot;https://www.hydrodaten.admin.ch/en/notes-on-the-flood-alert-maps.html&quot;&#x27; +
&#x27;target&#x3D;&quot;_blank&quot;&gt;Flood Alert / geo.admin.ch&lt;/a&gt;&#x27;,
params: {&#x27;LAYERS&#x27;: &#x27;ch.bafu.hydroweb-warnkarte_national&#x27;},
serverType: &#x27;mapserver&#x27;,
}),
}),
];
const map &#x3D; new Map({
controls: defaultControls().extend([new ScaleLine()]),
layers: layers,
target: &#x27;map&#x27;,
view: new View({
projection: projection,
center: fromLonLat([8.23, 46.86], projection),
extent: extent,
zoom: 2,
}),
});
</code></pre>
</div>
<div class="row-fluid">
<h5 class="source-heading">index.html</h5>
<pre><code id="example-html-source" class="language-markup">&lt;!DOCTYPE html&gt;
&lt;html lang="en"&gt;
&lt;head&gt;
&lt;meta charset="UTF-8"&gt;
&lt;title&gt;Single Image WMS with Proj4js&lt;/title&gt;
&lt;!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer --&gt;
&lt;script src="https://unpkg.com/elm-pep"&gt;&lt;/script&gt;
&lt;!-- The lines below are only needed for old environments like Internet Explorer and Android 4.x --&gt;
&lt;script src="https://cdn.polyfill.io/v3/polyfill.min.js?features=fetch,requestAnimationFrame,Element.prototype.classList,TextDecoder"&gt;&lt;/script&gt;
&lt;script src="https://cdnjs.cloudflare.com/ajax/libs/core-js/3.18.3/minified.js"&gt;&lt;/script&gt;
&lt;style&gt;
.map {
width: 100%;
height:400px;
}
&lt;/style&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;div id&#x3D;&quot;map&quot; class&#x3D;&quot;map&quot;&gt;&lt;/div&gt;
&lt;script src="main.js"&gt;&lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;</code></pre>
</div>
<div class="row-fluid">
<h5 class="source-heading">package.json</h5>
<pre><code id="example-pkg-source" class="language-json">{
&quot;name&quot;: &quot;wms-image-custom-proj&quot;,
&quot;dependencies&quot;: {
&quot;ol&quot;: &quot;6.12.0&quot;
},
&quot;devDependencies&quot;: {
&quot;parcel&quot;: &quot;^2.0.0&quot;
},
&quot;scripts&quot;: {
&quot;start&quot;: &quot;parcel index.html&quot;,
&quot;build&quot;: &quot;parcel build --public-url . index.html&quot;
}
}</code></pre>
</div>
</div>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.bundle.min.js"></script>
<script src="./resources/prism/prism-1.20.0.min.js"></script>
<script src="./resources/common.js"></script>
<script src="common.js"></script>
<script src="wms-image-custom-proj.js"></script>
<script>
$('#tag-example-list').on('show.bs.modal', function (event) {
const button = $(event.relatedTarget); // Button that triggered the modal
const title = button.data('title');
const content = button.data('content');
const modal = $(this)
modal.find('.modal-title').text(title);
modal.find('.modal-body').html(content);
});
var packageUrl = 'https://raw.githubusercontent.com/openlayers/openlayers.github.io/build/package.json';
fetch(packageUrl).then(function(response) {
return response.json();
}).then(function(json) {
var latestVersion = json.version;
document.getElementById('latest-version').innerHTML = latestVersion;
var url = window.location.href;
var branchSearch = url.match(/\/([^\/]*)\/examples\//);
var cookieText = 'dismissed=-' + latestVersion + '-';
var dismissed = document.cookie.indexOf(cookieText) != -1;
if (branchSearch && !dismissed && /^v[0-9\.]*$/.test(branchSearch[1]) && '6.12.0' != latestVersion) {
var link = url.replace(branchSearch[0], '/latest/examples/');
fetch(link, {method: 'head'}).then(function(response) {
var a = document.getElementById('latest-link');
a.href = response.status == 200 ? link : '../../latest/examples/';
});
var latestCheck = document.getElementById('latest-check');
latestCheck.style.display = '';
document.getElementById('latest-dismiss').onclick = function() {
latestCheck.style.display = 'none';
document.cookie = cookieText;
}
}
});
</script>
</body>
</html>
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