mirror of
https://github.com/Viglino/ol-ext.git
synced 2026-01-18 17:11:52 +00:00
145 lines
4.8 KiB
HTML
145 lines
4.8 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<!--
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Copyright (c) 2015 Jean-Marc VIGLINO,
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released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
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-->
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<title>ol-ext: GeoImage source</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<!-- jQuery -->
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<script type="text/javascript" src="https://code.jquery.com/jquery-1.11.0.min.js"></script>
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<!-- Openlayers -->
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@latest/ol.css" />
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<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/ol@latest/dist/ol.js"></script>
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<!-- ol-ext -->
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<link rel="stylesheet" href="../../dist/ol-ext.css" />
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<script type="text/javascript" src="../../dist/ol-ext.js"></script>
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<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
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<script src="https://unpkg.com/elm-pep"></script>
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<link rel="stylesheet" href="../style.css" />
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<style>
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.options input[type="number"] {
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width:5em;
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}
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.options input[type="range"] {
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vertical-align: middle;
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}
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</style>
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</head>
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<body >
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<a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>
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<a href="../../index.html">
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<h1>ol-ext: GeoImage source</h1>
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</a>
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<p class="info">
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<i>ol.source.GeoImage</i> georeference images on a map.
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<br />
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You can choose the center, rotation and the scale (x and y axis) of the image.
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The image can be crop by an extent (imageCrop) or by a polygon (imageMask).
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<br />
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Use the <a href="http://viglino.github.io/Map-georeferencer/">Map-georeferencer</a> project to calculate the parameters for an images.
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</p>
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<!-- DIV pour la carte -->
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<div id="map" style="width:600px; height:400px;"></div>
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<div class="options">
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<h2>Otions:</h2>
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Rotation: <input id="rotate" class="option" type="number" value="7.44" step="0.1" />
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<br />
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Center:
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<input id ="x" class="option" type="number" value="274764.75" />
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<input id ="y" class="option" type="number" value="6243935.64" />
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<br />
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Scale:
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<input id ="w" class="option" type="number" step="0.001" value="0.589" />
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<input id ="h" class="option" type="number" step="0.001" value ="0.597" />
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<br />
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Crop:
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<input id ="xmin" class="option" type="number" value="0" step="10" />
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<input id ="ymin" class="option" type="number" value ="0" step="10" />
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<input id ="xmax" class="option" type="number" value="5526" step="10" />
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<input id ="ymax" class="option" type="number" value ="5000" step="10" />
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</div>
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<script type="text/javascript">
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// The map
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var map = new ol.Map ({
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target: 'map',
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view: new ol.View ({
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zoom: 14,
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center: [274770, 6243929]
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}),
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layers: [ new ol.layer.Tile({ title:'OSM', source: new ol.source.OSM() }) ]
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});
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// Options
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$(".option").on("change", resetSource);
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var x = Number($("#x").val());
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var y = Number($("#y").val());
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var sx = Number($("#w").val());
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var sy = Number($("#h").val());
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var xmin = Number($("#xmin").val());
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var ymin = Number($("#ymin").val());
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var xmax = Number($("#xmax").val());
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var ymax = Number($("#ymax").val());
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var geoimg = new ol.layer.GeoImage({
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name: "Georef",
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opacity: .7,
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source: new ol.source.GeoImage({
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url: '../data/IGNF_PVA_1-0__1976-03-24_pt.jpg',
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imageCenter: [x,y],
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imageScale: [sx,sy],
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imageCrop: [xmin,ymin,xmax,ymax],
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//imageMask: [[273137.343,6242443.14],[273137.343,6245428.14],[276392.157,6245428.14],[276392.157,6242443.14],[273137.343,6242443.14]],
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imageRotate: Number($("#rotate").val()*Math.PI/180),
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projection: 'EPSG:3857',
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attributions: [ "<a href='http://www.geoportail.gouv.fr/actualite/181/telechargez-les-cartes-et-photographies-aeriennes-historiques'>Photo historique © IGN</a>" ]
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})
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});
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map.addLayer(geoimg);
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function resetSource () {
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var x = Number($("#x").val());
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var y = Number($("#y").val());
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var sx = Number($("#w").val());
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var sy = Number($("#h").val());
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var xmin = Number($("#xmin").val());
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var ymin = Number($("#ymin").val());
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var xmax = Number($("#xmax").val());
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var ymax = Number($("#ymax").val());
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geoimg.getSource().setCenter([x,y]);
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geoimg.getSource().setRotation($("#rotate").val()*Math.PI/180);
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geoimg.getSource().setScale([sx,sy]);
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geoimg.getSource().setCrop([xmin,ymin,xmax,ymax]);
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var crop = geoimg.getSource().getCrop();
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$("#xmin").val(crop[0]);
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$("#ymin").val(crop[1]);
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$("#xmax").val(crop[2]);
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$("#ymax").val(crop[3]);
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}
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// Show extent in the layerswitcher
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map.addControl(new ol.control.LayerSwitcher({ extent:true }));
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/*
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geoimg.getExtent = function() {
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return geoimg.getSource().getExtent();
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}
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*/
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</script>
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</body>
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</html> |