Hi Nikhil, Thanks for sharing this data. I had a question about the 'delhi_vehicle_reports.csv' file.
If there any documentation about the fields in this file? I see the following headers: > > file,num_vehicles,feed_timestamp,feed_time,incrementality,bad_count,earliest,diff1,latest,diff2 > & I'm wondering what they are Regards, Devdatta On Thu, Mar 21, 2019 at 1:24 PM Nikhil VJ <nikhil...@gmail.com> wrote: > Hi folks, > > I have been archiving Delhi's bus realtime gtfs feeds on my server since a > month now and collating the data into a flat CSV. Sharing that data at this > link for download and analysis: https://server.nikhilvj.co.in/place1/ > > Hoping some folks can make some analysis, visualizations or so of it - I > don't have time to delve too much into that right now. It's been a great > learning experience arranging the scripts and structures on my digitalocean > server to make this long-term continuous archival process possible. > > Disclaimer: Default reply to every sage advice that starts with "Why don't > you.." is : "Sounds good, please do it and get back with the results." I'm > satisfied at my end and am sharing the data wealth here for others to take > forward, so don't bug me, just take it and go! ;) > > > Some more notes: > 1. Get 7zip portable / p7zipfull to uncompress it. The uncompressed one is > around 6 gigs, compressed its about half a gig. > 2. There may be many repetitions in the data though, since the feeds were > coming in every 30 secs, plus from my last email the analysis showed there > were repetitions in one feed itself. So it's a data cleaning challenge for > you here to remove repetitions. (Do it - don't expect things to be already > done for you unless you're paying a fortune for it!) > 3. If there is too much traffic on my server then I'll lock it all down > with username-password restrictions. So don't do silly things like telling > a whole class of students to download it from online only. Use a pen drive > or your LAN. > 4. There is an accompanying reports csv that gives file-level summaries. > 5. Timestamps are in epoch format in UTC timezone (as per GTFS-RT specs). > Lookup "epoch converter". In the reports file i've added 5.5hrs to get > human times in IST. > 6. The data inside is covering all the dates from 19 Feb onwards. Moving > forward I might make the scripts store things month-wise or week-wise. Here > it was important to start asap. > 7. Every early morning my scripts will place a fresh version of the data > there and remove the previous day's one. So don't be downloading stuff from > there at 5am. > 8. Tip : Python? Wanna map? Check out folium. > 9. Tip : Folium? Wanna share the ipynb notebook? Check out kyso.io > > PS: Thanks JohnsonC for the kind words. But that is because I use datameet > from google groups instead of from my mailbox, unless it's an immediate > followup. So it's like stackexchange for me, and it saves me time and > effort. > > Cheers > Nikhil VJ > Pune, India > > > On Thursday, March 14, 2019 at 11:50:24 AM UTC+5:30, JohnsonC wrote: >> >> >> This is helpful. >> Thanks for updating on this Nikhil. >> This thread was from November and you bothered to search and update it. >> >> Thanks, >> >> >> On Wed, 13 Mar 2019 at 20:38, Nikhil VJ <nikh...@gmail.com> wrote: >> >>> Hi Folks, >>> >>> Sometime last month my API key for the realtime feed of Delhi bus data >>> started working. (link to register for y >>> <https://otd.delhi.gov.in/data/realtime/>ours). >>> >>> Here's an "unboxing" of one gtfs-realtime vehicleposition feed file from >>> there: >>> http://kyso.io/answerquest/delhi-gtfs-rt-feed-file-analysis >>> >>> >>> Note: I'm guessing this is not DTC but other bus services operating in >>> Delhi. >>> >>> >>> - Nikhil VJ >>> Pune, India >>> https://nikhilvj.co.in >>> >>> >>> On Thursday, November 29, 2018 at 5:17:39 PM UTC+5:30, Nikhil VJ wrote: >>>> >>>> Hi Arun, >>>> >>>> This data doesn't include any shapes.txt file, probably that script >>>> requires it. shapes.txt is not mandatory in GTFS. The routes are defined as >>>> sequence of stops in stop_times.txt (multiplied by the number of trips in a >>>> day that is). >>>> >>>> There's room here for improvement. Here's a full gtfs validator output >>>> for the delhi data : >>>> http://nikhilvj.co.in/files/delhi_gtfs/delhi-gtfs-2.html >>>> >>>> One peculiarity : The routes have been split up into separate onward >>>> and return journey routes. >>>> >>>> If anybody knows someone on the technical team of this, kindly connect >>>> me with them. The project leads are probably too busy with handling >>>> realtime data access requests and won't take too kindly to feedback about >>>> what improvements can be done on static side, but I might be able to put >>>> something across to the technical folks. >>>> >>>> You can zip up and import the static GTFS files on static GTFS Manager >>>> <https://github.com/WRI-Cities/static-GTFS-manager> tool. If someone >>>> wants to draw the shapefiles of the routes and add them in, the "Default >>>> Sequence" page will help you do that. >>>> >>>> -- >>>> Cheers, >>>> Nikhil VJ >>>> +91-966-583-1250 >>>> Pune, India >>>> http://nikhilvj.co.in >>>> >>>> >>>> On Tue, Nov 27, 2018 at 1:50 AM Arun Ganesh wrote: >>>> >>>>> Was anyone able to convert the GTFS feed into a geojson? >>>>> >>>>> Tried https://github.com/BlinkTagInc/gtfs-to-geojson but for some >>>>> reason does not produce any route lines. >>>>> >>>>> -- >>>>> Datameet is a community of Data Science enthusiasts in India. Know >>>>> more about us by visiting http://datameet.org >>>>> --- >>>>> >>>>> -- >>> Datameet is a community of Data Science enthusiasts in India. Know more >>> about us by visiting http://datameet.org >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "datameet" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to datameet+u...@googlegroups.com. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> -- >> Warm Regards, >> Johnson Chetty >> >> >> >> >> -- > Datameet is a community of Data Science enthusiasts in India. Know more > about us by visiting http://datameet.org > --- > You received this message because you are subscribed to the Google Groups > "datameet" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to datameet+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- Datameet is a community of Data Science enthusiasts in India. 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