[OSGeo-Standards] Standard File Format for the Exchange of Network Topology

[Carl Reed]

Landon -

Perhaps make sure that the model you define is consistent with the topology 
model as defined in ISO 19107? This way, you will be consistent with other 
standards, such as GML and CityGML, that use the 19107 topology model. 19107 
topology is itself based on topology as mathematics and also computational 
topology (which can be quite complex!). Obviously, you are concerned with 
just network topology. However, be careful as network topology in 
electronics means one thing and for geographers modeling road networks quite 
another.

I guess what I am suggesting is to at a minimum use the same terms and 
definitions and edge/node model for 2d network topology as defined in 107.

Thanks and regards

Carl


-----Original Message----- 
From: Landon Blake
Sent: Tuesday, May 29, 2012 9:51 AM
To: benjamin.chartier at cegetel.net
Cc: standards at lists.osgeo.org
Subject: Re: [OSGeo-Standards] Standard File Format for the Exchange of 
Network Topology

Benjamin,

Thanks for the additional suggestion. I came up with something simpler
than CityGML, after reading over some of the information that Carl
provided.

I want to write some tools for CAD and OpenJUMP that can use the
simple format. Once that is done, I'll publish a little something
about the format and tools online, and will ask for feedback.

Thanks.

Landon

On Fri, May 25, 2012 at 9:58 AM, Benjamin Chartier
<benjamin.chartier at cegetel.net> wrote:
> You may have a look at the INSPIRE data models:
> http://inspire.jrc.ec.europa.eu/index.cfm/pageid/2/list/datamodels
>
> The network application schema for example:
> https://inspire-twg.jrc.ec.europa.eu/inspire-fc.html#_P414
>
> The INSPIRE datasets are supposed to be encoded in GML.
>
> Regards,
>
> Benjamin
>
>
> Le 24/05/2012 21:29, Landon Blake a écrit :
>>
>> I'm in the process of researching file formats for the exchange of
>> network topology. This specific project is to find or create a simple
>> standard for the exchange of network topology for storm water and
>> sanitary sewer networks.
>>
>> Does anyone know of existing standards or file formats for this purpose?
>>
>> I appreciate your suggestions. When my research/work is complete, I'll
>> make sure I post back to this mailing list with the results.
>>
>> Thanks.
>>
>> Landon
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