[georss] What's next--a query API

[Ron Lake]

Well the grammar can be what you want - they both define a BBOX query.

R

-----Original Message-----
From: Jeff Harrison [mailto:jharrison at thecarbonproject.com] 
Sent: May 8, 2006 5:59 PM
To: Ron Lake; 'Raj Singh'; 'Danny Ayers'; georss at lists.eogeo.org
Subject: RE: [georss] What's next--a query API

Probably most folks just want to get things in a specified bounding box,
so
the WMS BBOX parameter is likely the simplest way to start.

Regards,
Jeff Harrison

-----Original Message-----
From: georss-bounces at lists.eogeo.org
[mailto:georss-bounces at lists.eogeo.org]
On Behalf Of Ron Lake
Sent: Monday, May 08, 2006 8:52 PM
To: Raj Singh; Danny Ayers; georss at lists.eogeo.org
Subject: RE: [georss] What's next--a query API

I could agree to this but I think you should reference WFS rather than
WMS since you are asking for data and not pictures.

Cheers

Ron

-----Original Message-----
From: georss-bounces at lists.eogeo.org
[mailto:georss-bounces at lists.eogeo.org] On Behalf Of Raj Singh
Sent: May 8, 2006 5:45 PM
To: Danny Ayers; georss at lists.eogeo.org
Subject: [georss] What's next--a query API

What's the first thing you want to do after you have a GeoRSS feed?
Do a geographic query of course.

I'm sure we can think of all kinds of interesting and useful spatial
queries, like distance from something else or the overlap of two
geographies, but the thing people will probably want to do 95% of the
time
is get only things in a specified bounding box.

How about we promote this as a recommended feature of GeoRSS-enabled
software? Here's the proposal:

1. A GeoRSS bounding box query consists of a feed URI plus a BBOX
parameter,
consisting of minx,miny,maxx,maxy. This is the same as the WMS BBOX
parameter.

2. A service can optionally support multiple coordinate reference
systems by
adding support for an SRS parameter, which would contain an EPSG code
(once
again like WMS).

--
Raj


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