Great! Thanks.
Also its missing the "!"... should be
"source.outE.inV.loop(2){!it.object.equals(sink)}.paths.each{"
A
On Fri, Nov 18, 2011 at 9:47 PM, Marko Rodriguez <okramma...@gmail.com> wrote:
> Hey,
>
> Perhaps the simplist way to explore flow is to simply get the paths between
> source and sink and then calculate some function f over the path to determine
> its flow. For example:
>
> def f = { List path ->
> // some function over the path where every other element is an
> edge (see traversal below)
> }
>
> source.outE.inV.loop(2){it.object.equals(sink)}.paths.each{
> println(it + " has a flow of " + f(it))
> }
>
> This assumes you have a determined source and a determined sink and that
> there are no cycles in your gas pipeline. If there are cycles, then you can
> tweak the expression to make sure you break out of the loop when appropriate.
>
> From this basic idea you can then tweak it to simulate decay over time/step
> or implement random walks through the gasline if you are interested in
> sampling or studying local eigenvectors in the pipeline.
>
> Hope that provides you a good starting point.
>
> Enjoy!,
> Marko
>
> http://markorodriguez.com
>
> On Nov 18, 2011, at 1:20 PM, Alfredas Chmieliauskas wrote:
>
>> Hey Marko,
>>
>> I'm modeling the european gas transport/pipeline network. I need to
>> have a good way to calculate maximum flow from source to sink and get
>> the nodes in the path .
>>
>> Alfredas
>>
>> On Fri, Nov 18, 2011 at 2:48 PM, Marko Rodriguez <okramma...@gmail.com>
>> wrote:
>>> Hi,
>>>
>>>> has anyone implemented any of the max flow algorithms using gremlin?
>>>
>>> Most of the algorithms in my toolbox are flow-based algorithms. What in
>>> particular are you trying to do?
>>>
>>> Marko.
>>>
>>> http://markorodriguez.com
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