Hello,

I would like to restrict output file formats (WMS) to only :
- JPEG 
- GIF 
- PNG 
- PNG8 

Anyone has an example how to use urlrewrite with GeoServer ?

Thanks for any help.

Robin


Mister Anonyme wrote:
> 
> 
> 
> 
> Thanks so much... It works flawlessly with urlrewrite!
> 
> 
> 
>> Date: Tue, 14 Jul 2009 11:23:28 -0600
>> Subject: Re: [Geoserver-users] WMS output format restrictions
>> From: [email protected]
>> To: [email protected]
>> CC: [email protected]; [email protected];
>> [email protected]
>> 
>> Hi
>> 
>> Would you guys want to use something similar to mod_rewrite, but for
>> Tomcat, for changing the output format from an incoming GetMap request
>> to png8?
>> 
>> Something like this:
>> http://tuckey.org/urlrewrite/
>> 
>> Alex
>> 
>> 
>> On Tue, Jul 14, 2009 at 11:13 AM, Mister Anonyme<[email protected]>
>> wrote:
>> >
>> > Exactly, same with us.
>> >
>> > Static page... I don't like it, because some clients will try it anyway
>> > (custom code).
>> >
>> > I can see that I have only two options left: modify source code or
>> create a
>> > proxy that will validate the format before forwarding the request to
>> the
>> > geoserver.
>> >
>> > I think it would be a nice feature to be able to activate/deactivate
>> some
>> > output formats. PNG8 is much smaller than PNG and is nicer than JPG.
>> >
>> > Thanks guys!
>> >
>> >
>> >> From: [email protected]
>> >> To: [email protected]; [email protected]
>> >> CC: [email protected]
>> >> Subject: RE: [Geoserver-users] WMS output format restrictions
>> >> Date: Tue, 14 Jul 2009 12:38:42 -0400
>> >>
>> >> Hi All,
>> >> I posted a similar question a while back. The reason for us, Ian,
>> >> is that we are very heavily limited from a network traffic standpoint
>> at
>> >> one
>> >> of our remote facilities. We require the ability to constrain requests
>> to,
>> >> e.g. png8 so that maps will be pulled up in thick clients in seconds,
>> not
>> >> minutes. ArcGIS is our thick client that was limiting us, which we
>> >> couldn't
>> >> figure out how to force a png8 request without having the server
>> appear to
>> >> only offer that as an option.
>> >> When I posted the question, the best suggestion I got was to save
>> >> the WMS capabilites document, modify it, and post it on a static
>> server.
>> >> If
>> >> you still wanted it to be dynamic, you could combine a cron job with
>> cURL
>> >> and some awk or perl to periodically update the static capabilities
>> >> document
>> >> for you. If I weren't running a Windows server, I would have already
>> done
>> >> this for us in house... .
>> >>
>> >> See conversation below:
>> >>
>> >> Steve
>> >>
>> >> Stephen Mather, GIS Manager
>> >> Cleveland Metroparks
>> >> 4101 Fulton Pkwy
>> >> Cleveland, OH 44144
>> >> [email protected]
>> >> Phone: (216) 635-3243
>> >> FAX: (216) 635-3286
>> >>
>> >>
>> >>
>> >> Stephen V. Mather ha scritto:
>> >> >> Hi All.
>> >> >> Is there any way to control the default image type for a given
>> >> >> service? We've got some remote users with a slow network using a
>> thick
>> >> >> client to access our GeoServer WMS. I'd like to force it to serve
>> PNG8
>> >> >> to reduce the network traffic, and I don't see anything on the
>> client
>> >> >> side that allows me to do that (thick in two ways, I suppose). I'm
>> >> >> hoping I can limit the capabilities for the service of images, in
>> the
>> >> >> same way that I can reduce the number of coordinate systems served.
>> >> >>
>> >> >> Any ideas?
>> >>
>> >>
>> >> > We have no switch to control the default wms output format...
>> Actually
>> >> > there is no such a thing as a "default format", format=xxx is
>> required
>> >> > by WMS. But I guess the client would end up requesting only png8 if
>> that
>> >> > was the only format provided to it?
>> >>
>> >> > A quick way to test it is to save the wms capabilities output, hand
>> edit
>> >> > it, and publish it again using some static file publishing tool
>> (e.g.,
>> >> > you can put it into the www directory of your GeoServer data dir and
>> >> > reach
>> >> > it at .../geoserver/www/myAmendedCapsFile.xml)
>> >>
>> >> Cheers
>> >> Andrea
>> >>
>> >>
>> >>
>> >> -----Original Message-----
>> >> From: Ian Turton [mailto:[email protected]]
>> >> Sent: Tuesday, July 14, 2009 9:59 AM
>> >> To: Mister Anonyme
>> >> Cc: [email protected]
>> >> Subject: Re: [Geoserver-users] WMS output format restrictions
>> >>
>> >>
>> >> On Tue, Jul 14, 2009 at 7:57 AM, Mister Anonyme<[email protected]>
>> >> wrote:
>> >> > Hi!
>> >> >
>> >> > Is there a way to restrict output formats in WMS mode ?  For
>> example,
>> >> > I want to block jpeg and png output and allow, let's say, png8 and
>> >> > svg.
>> >>
>> >> I don't know if this is possible, but why would you want to do this?
>> As a
>> >> server owner I want as many clients as possible to connect to my maps,
>> >> otherwise why use an open standard at all?
>> >>
>> >> Ian
>> >> --
>> >>
>> >> Ian Turton
>> >> http://www.geotools.org
>> >> http://pennspace.blogspot.com/
>> >>
>> >>
>> >>
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>> >>
>> >>
>> >>
>> >
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