Limiting the viewable extent...

[Steve Hall]

Thanks all for the suggestions, i'll have a look through and see what 
works best for me.

I'm using MapScript so perhaps that may be the best way forward.  The 
multiple INCLUDEs is a nice thought too.

Cheers,
Steve H


Stephen Woodbridge wrote:
> Steve,
>
> I may be confusing this with a feature of ka-map, but I'm not sure. 
> Steve L do you know if there is such a feature in mapserver?
>
> -Steve W
>
> ps: lots of Steve is confusing!
>
> Steve Hall wrote:
>> Stephen Woodbridge wrote:
>>> Steve Hall wrote:
>>>> Hi all,
>>>>
>>>> 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.
>>>
>>> -Steve W.
>>>
>> Thanks for this Steve, do you happen to know off hand any of the 
>> relevant keywords to this problem (to get me started).  I could take 
>> a look through the code and dig deeper if I have somewhere to 
>> start.   This will also enable me to file a more accurate and useful 
>> bug...
>>
>> Cheers,
>> Steve H
>
>


-- 
Steve Hall
Technical Consultant
Mercator GeoSystems Ltd

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