[pgrouting-users] isochrone function

[Ian]

sounds good...i'll get some of that documentation in order and then get 
back to you when i have a GitHub ID,

thank you

On 6/14/12 11:25 AM, Daniel Kastl wrote:
> Hi Ian,
>
> Some time ago already I thought it would be nice to provide additional 
> functions like yours to other users. But because they are often 
> written for a specific use case, it doesn't make sense to add them to 
> the pgRouting repository. Nevertheless it may be very helpful to learn 
> from examples. Or other people may help to improve a contributed 
> function.
>
> So my idea was a pgrouting-contrib repository: 
> https://github.com/pgrouting/pgrouting-contrib
> Right now there is only one file in the "wrapper" directory, but 
> anyone is welcome to add new functions. Just tell me your GitHub ID 
> and I can give you commit rights.
>
> Steve made a good proposal to define some minimum requirements for 
> that kind of contributions:
> http://lists.osgeo.org/pipermail/pgrouting-users/2011-December/000890.html
>
> Daniel
>
>
> On Wed, Jun 13, 2012 at 8:28 PM, Ian <itangert at gmail.com 
> <mailto:itangert at gmail.com>> wrote:
>
>     hi all,
>
>     i did an isochrone function that i thought might be nice to have
>     in pgrouting.  it takes parameters of (lat, lon, distance) and
>     starts at the closest point along the closest line (not the
>     closest node) and returns lines that can be traversed within the
>     threshold of the distance specified including partial lines beyond
>     terminal nodes (using driving distance).
>
>     right now it is specific to my table names, column names, data
>     projection, etc, and i have also added two types to be used in it
>     (it is also with postgis 2.0).  but if anyone thinks it might be
>     useful i'd be willing to learn how to contribute this.
>
>     has anyone done this already or have been working on it?  also
>     this is my first sql function so maybe there are things that can
>     be improved.  is it possible to add attachments to these emails?
>      if not, what is the best way i can share this query so it can be
>     improved or possibly contributed?
>
>     -ian
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>
>
> -- 
> Georepublic UG & Georepublic Japan
> eMail: daniel.kastl at georepublic.de <mailto:daniel.kastl at georepublic.de>
> Web: http://georepublic.de <http://georepublic.de/>
>
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