Limiting the viewable extent...

[Norman Vine]

Stephen Woodbridge writes:
> Steve Hall wrote:
> > 
> > Is it possible to restrict the users viewable extent of the map 
> > through the map file?  For example, I have data loaded for 
> the whole 
> > of the country but I want it to be impossible for any 
> client tool to 
> > view data beyond a defined and fixed extent.
> > 
> > The EXTENT parameters just seem to set the initial extent 
> and you can 
> > easily zoom out beyond this extent.
> > 
> > I appreciate this is fairly easy to do through code but 
> though that if 
> > this was possible via a mapfile then it would be done at 
> the 'lowest'
> > level...
> 
> Yes, I believe you can do it by setting METADATA values for 
> the MAP object. I just check the mapfile reference and it is 
> not described there. Could you please write a documentation 
> bug to request all METADATA controls be documented.

http://mapserver.gis.umn.edu/docs/reference/mapfile/web
See  MAXSCALE [double]

Entry

HTH

Norman