[OpenLayers-Dev] can't use tiff image

Sun Feb 17 17:40:29 EST 2008

The following files are stored in the htdocs folder of apache.

Aerial2005_1ft.aux
Aerial2005_1ft.rrd
Aerial2005_1ft.tfw
Aerial2005_1ft.tif
Aerial2005_1ft.xml

Sorry about not mentioning these files in my previous mail

-Arjun
On Feb 17, 2008 2:35 PM, arjun dheer <dheer.arjun at gmail.com> wrote:

> Hi,
> I am trying to use a Tiff image for display using openlayers. I tried to
> use the following code. This code resembles the one in the
> image-layer.html example. The code is as follows:
>
> <html xmlns="http://www.w3.org/1999/xhtml">
>   <head>
>       <title>OpenLayers Image Layer Example</title>
>     <link rel="stylesheet" href="../theme/default/style.css"
> type="text/css" />
>     <style type="text/css">
>         p {
>             width: 512px;
>         }
>         #map {
>             width: 512px;
>             height: 512px;
>             border: 1px solid gray;
>         }
>     </style>
>     <script src="../lib/OpenLayers.js"></script>
>     <script type="text/javascript">
>         var map;
>         function init(){
>             map = new OpenLayers.Map('map');
>
>             var options = {numZoomLevels: 3};
>
>             var graphic = new OpenLayers.Layer.Image(
>                                 'City Lights',
>                                 'http://localhost/Aerial2005_1ft.tif',
>                                * new OpenLayers.Bounds(-117.065, -32.740,
> -117.000, 32.782),*
>                                 new OpenLayers.Size(5419, 4383),
>                                 options);
>
>             var jpl_wms = new OpenLayers.Layer.WMS( "NASA Global Mosaic",
>                 "http://t1.hypercube.telascience.org/cgi-bin/landsat7",
>                 {layers: "landsat7"}, options);
>
>             map.addLayers([graphic, jpl_wms]);
>             map.addControl(new OpenLayers.Control.LayerSwitcher());
>             map.zoomToMaxExtent();
>         }
>     </script>
>
>   </head>
>   <body onload="init()">
>     <h1 id="title">Image Layer Example</h1>
>
>     <div id="tags"></div>
>
>     <p id="shortdesc">
>         Demonstrate a single non-tiled image as a selectable base layer.
>     </p>
>
>     <div id="map"></div>
>
>     <div id="docs">
>         <p>
>             The "City Lights" layer above is created from a single web
> accessible
>             image.  If you construct it without any resolution related
> options,
>             the layer will be given a single resolution based on the
> extent/size.
>             Otherwise, it behaves much like a regular layer.  This is
> primarily
>             intended to be used in an overview map - where another layer
> type
>             might not make a good overview.
>         </p>
>     </div>
>   </body>
> </html>
>
>
> The bounding box values were taken by taking an estimate of the lat long
> values using google maps.
>
> The image is not bieng displayed. I have also taken the easting northing
> values of the image using ermapper software which are as follows:
> left bottom: 637283.68 E
>                   1860785.83 N
> right top: 6312701.61 E
>               1865167.64 N
> I have not yet converted these values into latlong values but will do so
> once it is confirmed that I am headed in the right direction. Please help me
> out as to what should I do to get the image displayed. Following are the
> images shored in the htdocs folder. By the way, I am using Apache.
> Please help me out.
> Thanks,
> Arjun
>
>
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