Hi,

Please provide a URL to your map (http://groups.google.com/group/
Google-Maps-API/web/suggested-posting-guidelines)

Mathieu

On Jul 21, 12:54 pm, trez <[email protected]> wrote:
> Hi!
> I'm trying to put my own custom map.
> I read this tutorial ->http://econym.org.uk/gmap/index.htm
> but i cant' understand the tile organization.
>
> If it's right, there's an organization by zoom level: a zoom level
> have his set of tiles for the map and different zoom level have
> another set of tiles for the same map but with more or less zoom than
> the first.
> So, i splitted my map (i used a simple image to try it) and i got
> three rows and four columns; i called them "mountain_xxxx_yyyy_3.jpg":
> - xxxx means the x axis, for example 0001 for the first column, 0002
> the second, etc...
> - yyyy means the y axis, for example 0001 for the first row, 0002 the
> second, etc...
> - 3 is the zoom level;
>
> This is the code i used:
>
> <script type="text/javascript">
>     //<![CDATA[
>
>     if (GBrowserIsCompatible()) {
>       var map = new GMap(document.getElementById("map"));
>       map.addControl(new GScaleControl());
>
>       function CustomGetTileUrl(a,b) {
>         if (b==14) {
>           return "tiles/mountain_"+a.x+"_"+a.y+"_"+(17-b)+".jpg"
>         } else {
>           return "blank.jpg";
>         }
>       }
>
>       var copyCollection = new GCopyrightCollection('Chart');
>       var copyright = new GCopyright(1,
>           new GLatLngBounds(new GLatLng(53.8136257,-3.0981445),new
> GLatLng(53.8654855,-2.9663944) ),
>           14, "Ordnance Survey");
>
>       var tilelayers = [new GTileLayer(copyrightCollection,14,14)];
>       tilelayers[0].getTileUrl = CustomGetTileUrl;
>
>       var custommap = new GMapType(tilelayers, new GMercatorProjection
> (15), "Old OS");
>       map.addMapType(custommap);
>
>       map.setCenter(new GLatLng(53.852,-3.038), 14, custommap);
>
>     }
>
>     // display a warning if the browser was not compatible
>     else {
>       alert("Sorry, the Google Maps API is not compatible with this
> browser");
>     }
>
>     // This Javascript is based on code provided by the
>     // Community Church Javascript Team
>     //http://www.bisphamchurch.org.uk/
>     //http://econym.org.uk/gmap/
>
>     //]]>
>     </script>
>
> But i get only an empty google map screen :/
> Take a look at CustomGetTileUrl: i think the problem is there and on
> the latitude and longitude; i don't understand how are related
> longitude and latitude with the images.
> Thank you!
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