Re: Urbansim integration

You can find it on www.urbansim.org/urbansim3
    cheers,
    Alan

Christos Tsarouchis wrote:
> Thanks Alan for your prompt response,
>
> Alan Borning wrote:
>> Christos,
>>
>> We took the UrbanSim 3 download off of the website because it is
>> obsolete and superseded by UrbanSim 4. If you really need it let us
>> know and we can dig it up ... but from what you write, I would suggest
>> using the latest version instead.
> I would really appreciate it if you could dig up Urbansim 3 for me. Then
> I could decide which version to use.
>>
>> It shouldn't be that hard to link your Java-based application with
>> UrbanSim -- I would do this by invoking the operating system from your
>> application, and letting the operating system call UrbanSim. We do
>> this regularly in the current code, actually - look for example at the
>> last line of eugene.tools.run_simulation_on_baseyear_cache -- this
>> forks off another OS process to run the simulation. If you need to
>> pass lots of data back and forth, you can do this via the file system
>> or database.
> This is certainly an option. The idea though, of having integration at
> the JVM level is quite tempting as well, especially in a distributed
> environment as in my case.
>>
>> Not sure how well UrbanSim would work with Jython -- the Python code
>> itself should be fine, but UrbanSim also uses a set of external
>> packages, in particular numpy, which I'm guessing don't play well with
>> Jython.
> Yes you are spot on. Jython complained with a numpy Import Error.
>>
>> Alan
> Cheers
> Christos
>
Received on Tue Jul 24 2007 - 10:53:08 PDT