Re: [UrbanSim-Users] ELCM and scalable jobs

Mark,

I don't see anything in the log file why there should be a new gridcell.
In fact, no model of urbansim produces new gridcells. Could you find out
exactly after which model the gridcell appears?

Thanks,

Hana

Mark Kryvobokov wrote:
>
>
> Thank you Hana,
>
> I send my log file for the first simulation year.
>
> Mark
>
> --- Original Message ---
> From: Hana Sevcikova <hana_at_cs.washington.edu>
> To: Mark Kryvobokov <k_mark_at_ukr.net>
> Date: 4 march, 22:33:30
> Subject: Re: [UrbanSim-Users] ELCM and scalable jobs
>
> Mark,
>
> > In our
> > run_multiprocess.log file, I don't see anything about capacity.
> Is it
> > the log file, which you mean?
>
> I mean the log files for each year (e.g. year_2010_log.txt). In the
> ELCM
> sections you would see how many jobs were not placed. You would see
> something like
>
> Simulate ...
> Number of unplaced agents: 150 (in 3 iterations)
>
> But your case is the one with missing specification for some
> sub-models.
>
> >
> > Where is a specification of the Scaling Jobs Model? In the
> > scaling_jobs_model.py, I don't see the description of variables.
>
> This model does not have any specification. It distributes jobs
> according to the current distribution of sectors.
> (See http://www.urbansim.org/docs/opus-userguide/node217.html)
> It considers all sectors that appear among the governmental jobs.
>
> >
> > One new question. After the first year simulation, a new gridcell
> with
> > grid_id=0 appears. It includes about 13% of households and
> population.
> > What is it? It did not exist in the baseyear.
>
> I don't know what it is, I haven't heard about such case before. Please
> send the log file for the first year.
>
> > And one more question related to your answers to others: I don't see
> > your comments in
> > household_location_choice_model_configuration_creator.py and
> > filter_for_estimation in
> land_price_model_configuration_creator.py. I'm
> > looking at files in
> >
> >
> https://trondheim.cs.washington.edu/svn/opus/tags/4.1.2/urbansim/configurations/household_location_choice_model_configuration_creator.py
>
> >
> >
> > Or they are in another place?
>
> It's at
> https://trondheim.cs.washington.edu/svn/opus/trunk/urbansim/configurations/...
>
>
> Hana
>
> >
> > --- Original Message ---
> > From: Hana Sevcikova <hana_at_cs.washington.edu>
> > To: Mark Kryvobokov <k_mark_at_ukr.net>
> > Date: 4 march, 01:45:16
> > Subject: Re: [UrbanSim-Users] ELCM and scalable jobs
> >
> > Mark,
> >
> > The jobs are separated into industrial, commercial, home-based and
> > scaling (i.e. governmental) type according to their building
> type. In
> > your case:
> >
> > 152317 + 152442 + 73647 + 151697 = 530103
> >
> > This corresponds to the number of movers that the relocation model
> > determines.
> >
> > Within these four models the jobs are processed in sub-models
> which are
> > determined by their sector ids. (The Scaling Job Model does not have
> > sub-models but is also processed by sectors.)
> >
> > The Distribute Unplaced Jobs Model then takes all jobs that are
> still
> > unplaced after running those four models and places them
> according to
> > the current distribution of jobs by sector.
> >
> > If you get 228799 unplaced jobs it can be for two reasons:
> >
> > 1. There is not enough capacity (you should be able to find out from
> > the
> > log file)
> >
> > 2. Your specification does not include all sub-models. For
> example, if
> > your specification for commercial ELCM contains sub-models 1,2,
> and 3,
> > but there are commercial jobs of sectors 4 and 5, those jobs
> would not
> > be considered by any of the ELCMs, neither by the scaling jobs
> model -
> > they would be located by the Distribute Unplaced Jobs Model. But
> they
> > would be included in the sum of the 'total number of individuals' in
> > the
> > commercial ELCM.
> >
> > Does it help?
> >
> > Hana
> >
> > Mark Kryvobokov wrote:
> > >
> > >
> > > Hello!
> > >
> > > Our simulation is running without errors. I want to understand
> some
> > > points there:
> > >
> > > 1. What are 'total number of individuals' in industrial,
> > commercial and
> > > home-based ELCM? We have the following total numbers: 152317
> > industrial,
> > > 152442 commercial and 73647 home-based. The sum of them all is
> > 378406,
> > > which is much lower than the number of movers that equals to
> > 530103 (the
> > > result of the Employment Relocation Model). As I understand, we
> have
> > > 530103 jobs (new and relocated), which should be moved to
> > gridcells. The
> > > 'total number of individuals' in ELCM is not the same? Industrial,
> > > commercial and home-based jobs are distinguished by
> > building_type? In
> > > this case governmental building_type is not considered?
> > >
> > > 2. What is 'number of scalable jobs' in the Scaling Jobs Model
> > and the
> > > Distribute Unplaced Jobs Model? We have 151697 and 228799
> > respectively.
> > > As I understand, jobs are relocated within sectors according to
> > > distribution of existing jobs in the former model and randomly in
> > the
> > > latter model. At the same time I see that the building_type is
> > used in
> > > both cases. So, jobs are relocated considering sector_id or
> > > building_type or both? In our case I again can't find a link
> > between the
> > > number of jobs, which should be moved (within sectors or building
> > > types), and the numbers of scalable jobs.
> > >
> > > Mark
> > >
> > >
> > >
> >
> ------------------------------------------------------------------------
>
> >
> > >
> > > _______________________________________________
> > > Users mailing list
> > > Users_at_urbansim.org
> > > http://www.urbansim.org/mailman/listinfo/users
> >
>
Received on Fri Mar 07 2008 - 18:33:43 PST