[OpenLayers-Users] Another "Can OpenLayers do this?" question

[Ken Martin]

Not possible? Or is my question just too dumb for words? :)

Thanks! :)

Ken Martin


On Mar 3, 2009, at 11:13 AM, Ken Martin wrote:

> I hope I can explain this reasonably well.
>
> I have some raster data I'd like to layer into an OpenLayers map.
>
> In one case, I'd like to send the full frame image upon completion of
> a user drag. So if I have a 200 x 200 map showing (so 0,0,200,200),
> and a user clicks in it and drags 50 pixels right and 20 down, I'd
> like for OpenLayers to be able to ask for an image that is
> 50,20,250,220, thus filling in the whole visible frame with an
> entirely new image. Does that make sense and is that possible?
>
> Also, can OpenLayers communicate moved-x-pixels and moved-y-pixels in
> it's request for an image at some event like onDragEnd. (Obviously,
> I'm just making up var and event names to try to get the idea across.)
>
> I do know a real tiled image server of some kind would be more
> efficient, but that's not yet possible in my case.
>
> Thanks, and (as always) I'm sorry if this is a hideously uninformed
> question. :)