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SubmarineMonitoring/common/plugin/map/ol/v6.5.0/examples/wms-custom-proj.html

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海底监测与灾害预警系统管理平台界面
2 weeks ago
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<title>Custom Tiled WMS</title>
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<body>
<header class="navbar navbar-expand-sm navbar-dark mb-3 py-0" role="navigation">
<a class="navbar-brand" href="https://openlayers.org/"><img src="./resources/logo-70x70.png" alt="">&nbsp;OpenLayers</a>
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This example uses OpenLayers v<span>6.5.0</span>. The <a id="latest-link" href="#" class="alert-link">latest</a> is v<span id="latest-version"></span>.
</div>
<div class="row-fluid">
<a href="#" id="codepen-button" class="btn btn-link float-right">
<i class="fa fa-codepen fa-lg"></i> Edit
</a>
<div class="span12">
<h4 id="title">Custom Tiled WMS</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 active&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&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=tile" class="badge badge-info">tile</a
><a
class="badge badge-info tag-modal-toggle text-white"
data-toggle="modal"
data-target="#tag-example-list"
data-title="tile"
data-content="
&lt;a class=&quot;list-group-item list-group-item-action active&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-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;./tile-load-events.html&quot;&gt;Tile Load Events&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./arcgis-tiled.html&quot;&gt;Tiled ArcGIS MapServer&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;"
tabindex="0"
>8</a>
</span>
<span class="badge-group">
<a
href="./index.html?q=tilelayer" class="badge badge-info">tilelayer</a
><a
class="badge badge-info tag-modal-toggle text-white"
data-toggle="modal"
data-target="#tag-example-list"
data-title="tilelayer"
data-content="
&lt;a class=&quot;list-group-item list-group-item-action active&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;./arcgis-tiled.html&quot;&gt;Tiled ArcGIS MapServer&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;"
tabindex="0"
>3</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 active&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;./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&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"
>10</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 using custom coordinate transform functions.</p>
<div id="docs"><p>With <code>addCoordinateTransforms()</code>, custom coordinate transform functions can be added to configured 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 Map from &#x27;ol/Map&#x27;;
import Projection from &#x27;ol/proj/Projection&#x27;;
import TileLayer from &#x27;ol/layer/Tile&#x27;;
import TileWMS from &#x27;ol/source/TileWMS&#x27;;
import View from &#x27;ol/View&#x27;;
import {ScaleLine, defaults as defaultControls} from &#x27;ol/control&#x27;;
import {
addCoordinateTransforms,
addProjection,
transform,
} from &#x27;ol/proj&#x27;;
// By default OpenLayers does not know about the EPSG:21781 (Swiss) projection.
// So we create a projection instance for EPSG:21781 and pass it to
// ol/proj~addProjection to make it available to the library for lookup by its
// code.
var projection &#x3D; new Projection({
code: &#x27;EPSG:21781&#x27;,
// The extent is used to determine zoom level 0. Recommended values for a
// projection&#x27;s validity extent can be found at https://epsg.io/.
extent: [485869.5728, 76443.1884, 837076.5648, 299941.7864],
units: &#x27;m&#x27;,
});
addProjection(projection);
// We also declare EPSG:21781/EPSG:4326 transform functions. These functions
// are necessary for the ScaleLine control and when calling ol/proj~transform
// for setting the view&#x27;s initial center (see below).
addCoordinateTransforms(
&#x27;EPSG:4326&#x27;,
projection,
function (coordinate) {
return [
WGStoCHy(coordinate[1], coordinate[0]),
WGStoCHx(coordinate[1], coordinate[0]) ];
},
function (coordinate) {
return [
CHtoWGSlng(coordinate[0], coordinate[1]),
CHtoWGSlat(coordinate[0], coordinate[1]) ];
}
);
var extent &#x3D; [420000, 30000, 900000, 350000];
var layers &#x3D; [
new TileLayer({
extent: extent,
source: new TileWMS({
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 TileLayer({
extent: extent,
source: new TileWMS({
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;,
}),
}) ];
var map &#x3D; new Map({
controls: defaultControls().extend([
new ScaleLine({
units: &#x27;metric&#x27;,
}) ]),
layers: layers,
target: &#x27;map&#x27;,
view: new View({
projection: projection,
center: transform([8.23, 46.86], &#x27;EPSG:4326&#x27;, &#x27;EPSG:21781&#x27;),
extent: extent,
zoom: 2,
}),
});
/*
* Swiss projection transform functions downloaded from
* http://www.swisstopo.admin.ch/internet/swisstopo/en/home/products/software/products/skripts.html
*/
// Convert WGS lat/long (° dec) to CH y
function WGStoCHy(lat, lng) {
// Converts degrees dec to sex
lat &#x3D; DECtoSEX(lat);
lng &#x3D; DECtoSEX(lng);
// Converts degrees to seconds (sex)
lat &#x3D; DEGtoSEC(lat);
lng &#x3D; DEGtoSEC(lng);
// Axiliary values (% Bern)
var lat_aux &#x3D; (lat - 169028.66) / 10000;
var lng_aux &#x3D; (lng - 26782.5) / 10000;
// Process Y
var y &#x3D;
600072.37 +
211455.93 * lng_aux -
10938.51 * lng_aux * lat_aux -
0.36 * lng_aux * Math.pow(lat_aux, 2) -
44.54 * Math.pow(lng_aux, 3);
return y;
}
// Convert WGS lat/long (° dec) to CH x
function WGStoCHx(lat, lng) {
// Converts degrees dec to sex
lat &#x3D; DECtoSEX(lat);
lng &#x3D; DECtoSEX(lng);
// Converts degrees to seconds (sex)
lat &#x3D; DEGtoSEC(lat);
lng &#x3D; DEGtoSEC(lng);
// Axiliary values (% Bern)
var lat_aux &#x3D; (lat - 169028.66) / 10000;
var lng_aux &#x3D; (lng - 26782.5) / 10000;
// Process X
var x &#x3D;
200147.07 +
308807.95 * lat_aux +
3745.25 * Math.pow(lng_aux, 2) +
76.63 * Math.pow(lat_aux, 2) -
194.56 * Math.pow(lng_aux, 2) * lat_aux +
119.79 * Math.pow(lat_aux, 3);
return x;
}
// Convert CH y/x to WGS lat
function CHtoWGSlat(y, x) {
// Converts militar to civil and to unit &#x3D; 1000km
// Axiliary values (% Bern)
var y_aux &#x3D; (y - 600000) / 1000000;
var x_aux &#x3D; (x - 200000) / 1000000;
// Process lat
var lat &#x3D;
16.9023892 +
3.238272 * x_aux -
0.270978 * Math.pow(y_aux, 2) -
0.002528 * Math.pow(x_aux, 2) -
0.0447 * Math.pow(y_aux, 2) * x_aux -
0.014 * Math.pow(x_aux, 3);
// Unit 10000&quot; to 1 &quot; and converts seconds to degrees (dec)
lat &#x3D; (lat * 100) / 36;
return lat;
}
// Convert CH y/x to WGS long
function CHtoWGSlng(y, x) {
// Converts militar to civil and to unit &#x3D; 1000km
// Axiliary values (% Bern)
var y_aux &#x3D; (y - 600000) / 1000000;
var x_aux &#x3D; (x - 200000) / 1000000;
// Process long
var lng &#x3D;
2.6779094 +
4.728982 * y_aux +
0.791484 * y_aux * x_aux +
0.1306 * y_aux * Math.pow(x_aux, 2) -
0.0436 * Math.pow(y_aux, 3);
// Unit 10000&quot; to 1 &quot; and converts seconds to degrees (dec)
lng &#x3D; (lng * 100) / 36;
return lng;
}
// Convert DEC angle to SEX DMS
function DECtoSEX(angle) {
// Extract DMS
var deg &#x3D; parseInt(angle, 10);
var min &#x3D; parseInt((angle - deg) * 60, 10);
var sec &#x3D; ((angle - deg) * 60 - min) * 60;
// Result in degrees sex (dd.mmss)
return deg + min / 100 + sec / 10000;
}
// Convert Degrees angle to seconds
function DEGtoSEC(angle) {
// Extract DMS
var deg &#x3D; parseInt(angle, 10);
var min &#x3D; parseInt((angle - deg) * 100, 10);
var sec &#x3D; ((angle - deg) * 100 - min) * 100;
// Avoid rounding problems with seconds&#x3D;0
var parts &#x3D; String(angle).split(&#x27;.&#x27;);
if (parts.length &#x3D;&#x3D; 2 &amp;&amp; parts[1].length &#x3D;&#x3D; 2) {
min &#x3D; Number(parts[1]);
sec &#x3D; 0;
}
// Result in degrees sex (dd.mmss)
return sec + min * 60 + deg * 3600;
}
</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;Custom Tiled WMS&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;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-custom-proj&quot;,
&quot;dependencies&quot;: {
&quot;ol&quot;: &quot;6.5.0&quot;
},
&quot;devDependencies&quot;: {
&quot;parcel&quot;: &quot;^2.0.0-beta.1&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>
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