[mapserver-users] paning around a queryed location

Stephen Woodbridge woodbri at swoodbridge.com
Wed Apr 17 03:06:14 PDT 2002


I think most people do this using mapscript.

-Steve

laurentiu lionte wrote:
> 
>  Steve Lime <steve.lime at dnr.state.mn.us> wrote:
> 
> If you're just retrieving the map there's no way to get at the extent
> coordinates too. I've tinkered with encoding them in image headers,
> but that doesn't help all that much. Other work arounds would depend
> on what you're actually trying to do in your application.
> 
> Steve
> 
> 
> 
> Oh, seems to be a very bad issue!!!
> I need to locate a point using itemquerymap (does anybody know another
> method?).
> Then I need to pan around this location. This is a basic functionality
> for any GIS-like application.
> According to this, I need to obtain the selected point coordinates (at
> least), or,
>  for more than one selected point ,the extent or extent center of all
> selected features.
> If anybody knows how to obtain the coordinates of a selected feature
> or other information
> how to obtain this, please let me know.
> 
> Thank you,
> 
> Lawrence
> 
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