[pgrouting-dev] GSoc2014

Raffaello Bertini raffaellobertini at gmail.com
Wed Mar 12 08:39:41 PDT 2014


Well,
I don't have any particular idea, but I'm interested to study the topics
previously mentioned.
Can I made more then one proposal for the contest?




On Tue, Mar 11, 2014 at 2:32 PM, Stephen Woodbridge <woodbri at swoodbridge.com
> wrote:

> On 3/11/2014 6:38 AM, Raffaello Bertini wrote:
>
>> Hello from Italy, I'm Raffaello Bertini and I'm interested in
>> GSoc2014. I've got a bachelor degree in computer science and I'm
>> attending for the master degree, but actually I'm working for a
>> start-up designing & developing their main system. I'm finishing my
>> job at the end of April so I've been able to accomplish the
>> GSoC2014.
>>
>> I've already worked  with GIS and routing algorithm:
>>
>> * Postrgers/PostGIS * TSP, Dijkstra, ... * pgRouting as a fork.
>>
>>
>> For GSoc2014 I'm interested in these topics:
>>
>> * *ASTP*
>>
>>
>> I saw there are already a pl/pgsql script that solve ATSP by
>> conversion and Simulated Annealing for solving TSP. I think it's
>> required to build a specific function inside pgRouting v2 and I have
>> in mind to develop a 3opt and/or Simulated Annealing for ATSP. Is It
>> ok?
>>
>
> Yes, the current TSP algorithm only supports symmetric TSP so an
> Asymmetric matrix must be converted to a symmetric matrix and then
> solved. We think it would be valuable to have an asymmetric solver.
>
>  * *Contraction Hierarchies*
>>
>>
>> I don't understand at all what it is supposed to do. Is it ask to
>> develop the Contraction Hierarchies algorithm into pgRouting or to
>> integrate the existing algorithm of OSRM?
>>
>> Or revising the pgr2OSRM tool? (pgr2OSRM is an utility to connect
>> pgRouting to OSRM, isn't it?)
>>
>
> We originally thought it would be a good idea to support Contraction
> Hierarchies in pgRouting. While this is still and interesting idea, I
> needed access to a faster solver and built the osrm-tools to make a
> bridge between Project-ORSM and pgRouting
>
>  * *Implement generic driving directions add-on to pgRouting*
>>
>>
>> This one seems very funny to do. I read the wiki "Driving Direction
>> Instructions".
>>
>
> The challenge here is to create a generic Driving Directions module that
> will work with most any edge table and solution. We get regular requests
> for help create Driving Directions.
>
>  * *Flow Algorithms*
>>
>>
>> Which one? Maximum or Minimun?
>>
>> For the Maximum flow
>>
>
> I not familiar with these or what the specific requests have been in the
> past.
>
> Thank you for your interest and we look forward to your proposal. We would
> also be happy to discuss any idea that you might be interested in working
> on.
>
> Best regards,
>   -Steve
>
>  Thanks. Regards Raffaello Bertini
>>
>>
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>>
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