R: [Geoserver-devel] Re: about SRS parameter

What about providing a default SRS value server-wide???
Something inside the config of GeoServer.
I think most people will only use the very same SRS for all
their tables, so a server-wide value should save client code
most of the time.

Bye
Paolo Rizzi

-----Messaggio originale-----
Da: Gabriel Roldán [mailto:groldan@anonymised.com]
Inviato: martedì 29 novembre 2005 19.54
A: geoserver-devel@lists.sourceforge.net
Cc: Brent Owens; Justin Deoliveira; David Blasby
Oggetto: Re: [Geoserver-devel] Re: about SRS parameter

Agreed, we can schedule it for after 1.3.0.

Anyway, note the current behavior is to let it null, not to
use 4326, so I'm
letting it as is, which finally means querying in whatever
the feature source
is in.
Problem is when more than one FS is being queries at the same
time, though.

comments?

On Tuesday 29 November 2005 18:48, Brent Owens wrote:
> If we do make this manditory, do we want it for 1.3.0?
>
> We can always make it pseudo optional. If the SRS is supplie din the
> request, we use it. If it is not supplied, we add in 4326
as a default.
> This will stop client code from breaking. This could result in
> unexpected results however.
>
> I think we need to look at how long it would take to change, and how
> many other things it will break, in order to determine when
we should
> implement it.
>
> Brent Owens
> TOPP
>
> Justin Deoliveira wrote:
> > I guess my only concern is that making the SRS parameter manditory
> > breaks client code that doesn't presently supply the
paramter. Making
> > things optional is much easier then making things mandatory.
> >
> > On the other hand the spec saying it should be manditory
is big hammer
> > to throw around.
> >
> > What does everyone else think.
> >
> > -Justin
> >
> > Gabriel Roldán wrote:
> >> Hi all,
> >>
> >> I just created http://jira.codehaus.org/browse/GEOS-493
> >>
> >> the question is if you're ok in making SRS parameter mandatory
> >> (that's what the spec says).
> >>
> >> Cheers,
> >>
> >> Gabriel.
>
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utilizzarlo per finalità diverse.

That could be a possible solution, but I know in the past I have rarely had a database with data using only one SRS. We would usually store the data in different UTM zones because the total area of the map was so large, and needed to be accurate.

Brent Owens
TOPP

P.Rizzi Ag.Mobilità Ambiente wrote:

What about providing a default SRS value server-wide???
Something inside the config of GeoServer.
I think most people will only use the very same SRS for all
their tables, so a server-wide value should save client code
most of the time.

Bye
Paolo Rizzi

-----Messaggio originale-----
Da: Gabriel Roldán [mailto:groldan@anonymised.com]
Inviato: martedì 29 novembre 2005 19.54
A: geoserver-devel@lists.sourceforge.net
Cc: Brent Owens; Justin Deoliveira; David Blasby
Oggetto: Re: [Geoserver-devel] Re: about SRS parameter

Agreed, we can schedule it for after 1.3.0.

Anyway, note the current behavior is to let it null, not to use 4326, so I'm letting it as is, which finally means querying in whatever the feature source is in.
Problem is when more than one FS is being queries at the same time, though.

comments?

On Tuesday 29 November 2005 18:48, Brent Owens wrote:
   

If we do make this manditory, do we want it for 1.3.0?

We can always make it pseudo optional. If the SRS is supplie din the
request, we use it. If it is not supplied, we add in 4326
     

as a default.
   

This will stop client code from breaking. This could result in
unexpected results however.

I think we need to look at how long it would take to change, and how
many other things it will break, in order to determine when
     

we should
   

implement it.

Brent Owens
TOPP

Justin Deoliveira wrote:
     

I guess my only concern is that making the SRS parameter manditory
breaks client code that doesn't presently supply the
       

paramter. Making
   

things optional is much easier then making things mandatory.

On the other hand the spec saying it should be manditory
       

is big hammer
   

to throw around.

What does everyone else think.

-Justin

Gabriel Roldán wrote:
       

Hi all,

I just created http://jira.codehaus.org/browse/GEOS-493

the question is if you're ok in making SRS parameter mandatory
(that's what the spec says).

Cheers,

Gabriel.
         

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files for problems? Stop! Download the new AJAX search
     

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searching your log files as easy as surfing the web.
     

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AVVERTENZE AI SENSI DEL D. LGS. 196/2003 Le informazioni contenute in questo messaggio di posta elettronica e/o nel/i
file/s allegato/i, sono da considerarsi strettamente riservate. Il loro
utilizzo è consentito esclusivamente al destinatario del messaggio, per le
finalità indicate nel messaggio stesso. Qualora riceveste questo messaggio
senza esserne il destinatario, Vi preghiamo cortesemente di darcene notizia
via e-mail e di procedere alla distruzione del messaggio stesso,
cancellandolo dal Vostro sistema; costituisce comportamento contrario ai
principi dettati dal D. Lgs. 196/2003 il trattenere il messaggio stesso,
divulgarlo anche in parte, distribuirlo ad altri soggetti, copiarlo, od
utilizzarlo per finalità diverse.

I guess he meant having a server wide CRS for output? meaning reprojecting as
needed but having consistent results if multiple layers are queried at the
same time?

I have to say that neither option seems better than being spec compliant to
me. That is, make it required, and if SRS=NONE is passed then return each
feature results in whatever its native CRS is. That's why I say wait till
after 1.3.0 to have time to advertise it to the users.

Gabriel

On Tuesday 29 November 2005 19:17, Brent Owens wrote:

That could be a possible solution, but I know in the past I have rarely
had a database with data using only one SRS. We would usually store the
data in different UTM zones because the total area of the map was so
large, and needed to be accurate.

Brent Owens
TOPP

P.Rizzi Ag.Mobilità Ambiente wrote:
>What about providing a default SRS value server-wide???
>Something inside the config of GeoServer.
>I think most people will only use the very same SRS for all
>their tables, so a server-wide value should save client code
>most of the time.
>
>Bye
>Paolo Rizzi
>
>>-----Messaggio originale-----
>>Da: Gabriel Roldán [mailto:groldan@anonymised.com]
>>Inviato: martedì 29 novembre 2005 19.54
>>A: geoserver-devel@lists.sourceforge.net
>>Cc: Brent Owens; Justin Deoliveira; David Blasby
>>Oggetto: Re: [Geoserver-devel] Re: about SRS parameter
>>
>>
>>Agreed, we can schedule it for after 1.3.0.
>>
>>Anyway, note the current behavior is to let it null, not to
>>use 4326, so I'm
>>letting it as is, which finally means querying in whatever
>>the feature source
>>is in.
>>Problem is when more than one FS is being queries at the same
>>time, though.
>>
>>comments?
>>
>>On Tuesday 29 November 2005 18:48, Brent Owens wrote:
>>>If we do make this manditory, do we want it for 1.3.0?
>>>
>>>We can always make it pseudo optional. If the SRS is supplie din the
>>>request, we use it. If it is not supplied, we add in 4326
>>
>>as a default.
>>
>>>This will stop client code from breaking. This could result in
>>>unexpected results however.
>>>
>>>I think we need to look at how long it would take to change, and how
>>>many other things it will break, in order to determine when
>>
>>we should
>>
>>>implement it.
>>>
>>>Brent Owens
>>>TOPP
>>>
>>>Justin Deoliveira wrote:
>>>>I guess my only concern is that making the SRS parameter manditory
>>>>breaks client code that doesn't presently supply the
>>
>>paramter. Making
>>
>>>>things optional is much easier then making things mandatory.
>>>>
>>>>On the other hand the spec saying it should be manditory
>>
>>is big hammer
>>
>>>>to throw around.
>>>>
>>>>What does everyone else think.
>>>>
>>>>-Justin
>>>>
>>>>Gabriel Roldán wrote:
>>>>>Hi all,
>>>>>
>>>>>I just created http://jira.codehaus.org/browse/GEOS-493
>>>>>
>>>>>the question is if you're ok in making SRS parameter mandatory
>>>>>(that's what the spec says).
>>>>>
>>>>>Cheers,
>>>>>
>>>>>Gabriel.
>>>
>>>-------------------------------------------------------
>>>This SF.net email is sponsored by: Splunk Inc. Do you grep
>>
>>through log
>>
>>>files for problems? Stop! Download the new AJAX search
>>
>>engine that makes
>>
>>>searching your log files as easy as surfing the web.
>>
>>DOWNLOAD SPLUNK!
>>
>>>http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click
>>>_______________________________________________
>>>Geoserver-devel mailing list
>>>Geoserver-devel@lists.sourceforge.net
>>>https://lists.sourceforge.net/lists/listinfo/geoserver-devel
>>
>>-------------------------------------------------------
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>>through log files
>>for problems? Stop! Download the new AJAX search engine that makes
>>searching your log files as easy as surfing the web.
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>>_______________________________________________
>>Geoserver-devel mailing list
>>Geoserver-devel@lists.sourceforge.net
>>https://lists.sourceforge.net/lists/listinfo/geoserver-devel
>
>AVVERTENZE AI SENSI DEL D. LGS. 196/2003
>Le informazioni contenute in questo messaggio di posta elettronica e/o
> nel/i file/s allegato/i, sono da considerarsi strettamente riservate. Il
> loro utilizzo è consentito esclusivamente al destinatario del messaggio,
> per le finalità indicate nel messaggio stesso. Qualora riceveste questo
> messaggio senza esserne il destinatario, Vi preghiamo cortesemente di
> darcene notizia via e-mail e di procedere alla distruzione del messaggio
> stesso,
>cancellandolo dal Vostro sistema; costituisce comportamento contrario ai
>principi dettati dal D. Lgs. 196/2003 il trattenere il messaggio stesso,
>divulgarlo anche in parte, distribuirlo ad altri soggetti, copiarlo, od
>utilizzarlo per finalità diverse.

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