Hi,
Your parameter is a string and not an object
var visor = new MyViewer('map');
Perhaps this will work:
function MyViewer(div){
this.container = document.getElementById(div);
-----Ursprüngliche Nachricht-----
Von: [email protected] [mailto:[email protected]] Im
Auftrag von David Alda Fernandez de Lezea
Gesendet: Dienstag, 26. Januar 2010 17:23
An: openlayers users
Betreff: [OpenLayers-Users] How to create a map on the fly,by clicking a
button
Hello list,
I'm trying to make a Gis Web Viewer and I need to generate a Map, after
clicking a link/button from one div, into another div. I've created an
Object class like this
function MyViewer(){
var map;
var container;
this.MyViewer= MyViewer;
function MyViewer(div){
this.container = div;
this.map = new OpenLayers.Map( div, {projection: new
OpenLayers.Projection("EPSG:23030"), units: 'm', maxExtent: new
OpenLayers.Bounds(460000, 4710000, 610000, 4820000), maxResolution:
292.96875});
...layer definition...
map.zoomToMaxExtent();
document.getElementById(this.container).style.visibility =
"visible";
}
}
And my html looks like this:
#map { border-style: solid;
border-width: 1px;
margin: 0px auto;
width: 650px;
height: 450px;
position: relative;
float: right;
overflow: auto;
visibility: hidden;
}
....
<body>
<div id="cabecera">
<h2>header</h2>
</div>
<div id="body">
<script type="text/javascript">
function init(){
var visor = new MyViewer('map');
}
</script>
<a href="#" onclick="init();">ShowMap</a><br>
</div>
<div id="map">map...
</div>
</body>
...
But I get an error on line
document.getElementById(this.container).style.visibility = "visible";
Saying:
Uncaught TypeError: Cannot read property 'style' of null
Is it possible to do what I'm trying to do ??
Thanks.
Un saludo,
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David Alda Fernández de Lezea
Lurralde eta Biodibertsitate Saila / Dpto. de Territorio y Biodiversidad
IKT
Granja Modelo s/n · 01192 · Arkaute (Araba)
············································································
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Tlfnos.: 945-00-32-95 Fax: 945-00.32.90
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email: [email protected] web: www.ikt.es
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