[mapserver-users] asking help about using openlayer in mapserver

Mon Sep 27 13:01:38 PDT 2021

hello every body ; recently i try to display a map with openlayers in
mapserver
l created a html file in witch i put a openlayer javascript this is the
code below:
<!DOCTYPE html>
<html>
    <head>
        <title>Premiere carte</title>
        <link rel="stylesheet" href="
https://openlayers.org/en/v4.6.4/css/ol.css" type="text/css">
        <script src="https://openlayers.org/en/v4.6.4/build/ol.js"></script>
    </head>
    <body>
        <div id="map" class="map"></div>
        <script type="text/javascript">
            var raster = new ol.layer.Tile({
                 source: new ol.source.OSM()
             });
             var vector = new ol.layer.Vector({
                 source: new ol.source.Vector({
                     url: '
https://openlayers.org/en/v4.6.4/examples/data/geojson/countries.geojson',
                    format: new ol.format.GeoJSON(),
                 })
             });
             var map= new ol.Map({
                 layers: [raster, vector],
                 target: 'map',
                 view: new ol.View({
                     center: [0, 0],
                     zoom: 2
                 })
             });
        </script>

    </body>
</html>
I put this file in the htdocs folder in apache and i try to execute this
file in my browser but the browser send a blank page.
now l want to know why the script not work and how l can fix it
thank
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