Hi,

I'm using OpenLayers to develop a viewing application for medical images. So 
far I'm just using static images, i.e. I'm using the Image layer, and I'm a bit 
puzzled as to the interdependence of bounds, extent, resolution and all this 
stuff. I simply want to fit an image which might be quite high-res into the 
viewport for a start and then let the users zoom in until the natural 
resolution of the image is reached. I played with all the parameters but to be 
honest I still haven't quite gotten the gist, so even after hours it seems as 
if I'm not a step further. A hint or short explanation as to how to approach 
this would be greatly appreciated!

My code is something like this:
var oMapWest = new OpenLayers.Map('viewportWest');
var graphic = new OpenLayers.Layer.Image(
  'City Lights',
  'images/political_world_map.jpg',  // which is 8000x4000pxs
  new OpenLayers.Bounds(-180, -90, 180, 90),
  new OpenLayers.Size(700, 350),
  {numZoomLevels:10}
);
oMapWest.addLayers([graphic]);
oMapWest.zoomToMaxExtent();

Thanks!

Flo 
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