[georss] WAS: GeoRSS Validation Service? RETURNING TO: multiplelocations and time

[Allan Doyle]

On Mar 2, 2007, at 17:13, Peter Borissow wrote:

> So that's a good point - the existing GeoRSS "spec" provides the  
> option to specify coordinates in ANY reference frame!

Simple requires WGS84 - http://georss.org/model.html

> And you think multipoint geometries are going to scare users?
>
> Just kidding.
>
> Anyway I'll try to get a partial implementation of a java-based  
> GeoRSS parser out sometime this weekend or early next week for you  
> to review. I already wrote one a while back - I just need to clean  
> it up. It supports the following features:
>
> - RSS, Atom, and RDF
> - GeoRSS "Simple" Geometries
> - A subset of GML Geometries (Point, Line, Polygon, MultiPoint,  
> MultiLine, MultiPolygon, Envelope)
> - Supports the 3 different GML coordinate formats
> - It also happens to support DB2 and Sybase/SQS geometry types but  
> I'll cut that code out
>
> All the code does is "normalize" the geometries into a set of  
> points and extracts the srs attribute. Coordinate transformation,  
> rendering, mensuration, etc. are all higher level functions that  
> should be handled by other classes.
>
> So why do I feel the need to do this? Because I'm still trying to  
> convince you to adopt a wider range of gml geometries into the  
> GeoRSS spec.
>
>
> Have a good weekend.
>
> Peter
>
>
>
> ----- Original Message ----
> From: Raj Singh <raj at rajsingh.org>
> To: Peter Borissow <peter.borissow at yahoo.com>
> Cc: Pat Cappelaere <pat at cappelaere.com>; Allan Doyle  
> <adoyle at eogeo.org>; georss at lists.eogeo.org
> Sent: Friday, March 2, 2007 3:57:55 PM
> Subject: Re: [georss] WAS: GeoRSS Validation Service? RETURNING TO:  
> multiplelocations and time
>
>
> Parsing is one thing. Doing something smart with it is another. For
> example, if you get a GeoRSS GML geometry in, for example, a state
> plane coordinate system, can you either:
> a. reproject it into lat/long to show on a Google/Yahoo/MS map or
> b. reproject your map into the state plane system
>
> That's just one example of the more general point that if you support
> GeoRSS GML, you should be able to manipulate coordinate reference
> systems in your application.
> ---
> Raj
>
>
> On Mar 2, 2007, at 2:53 PM, Peter Borissow wrote:
>
>> Parsing RSS and Atom is a joke. Parsing GML geometries is not that
>> complicated either. In fact I wrote a limited GML parser that can
>> handle points, lines, and polygons + their "multi-" varients in
>> less than an hour. Adding the GeoRSS "simple" geometries took even
>> less time.
>
>
>
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-- 
Allan Doyle
+1.781.433.2695
adoyle at eogeo.org