A container for all my views with excerpts from technology, travel, films, books, kannada, friends and other interests. I am Thejesh GN, friends call me Thej.
I wanted to convert the script from the blog post Who is mapping Surveillance in Bengaluru into a simple web app. I could have written a simple javascript and HTML code to call the overpass-turbo API for data and charted using javascript. All in the browser. But there was a much better option with less code.
Mapping CCTV cameras ( Surveillance ) is a community effort on OSM. You can credit OSM contributors as defined on this page when you use the data. But personally I wanted to see who are the folks who are contributing to this data. So I went to Overpass Turbo and ran this query to get...
The Bachchao Project hosted the “Data: Public, Private and Beyond” from 12th to 15th May 2023 at Panjim, Goa. It’s an Art on Tech exhibition inspired by The Glass Room. I wanted to go but couldn’t due to personal and work reasons.
I showcased Surveillance in the Bengaluru project to attract more contributors to mapping Surveillance in Bengaluru or other cities.
Everything we map goes directly to OpenStreetMap. The data on OpenStreetMap is available for free under ODBL. The easiest way to download Surveillance in Bengaluru data is from Overpass Turbo. I have written some queries below that you can use on Overpass Turbo to get the data. I also have a demo video for you.
I have been mapping Surveillance in Bengaluru for couple of months now. We have made some good progress. I thought it’s good time to share those updates and ask for help. Mapping We have mapped 340 Public and Outdoors CCTV cameras. I think we have made good progress. But to cover the entire...
For last couple of months I have been driving quite a bit inside the city1. The biggest thing I noticed was the amount of public CCTV cameras across the city. I find them in every corner. We don’t know clearly how many of them are there, what’s the spread, who owns them and...
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Thejesh GN (ತೇಜೇಶ್ ಜಿ.ಎನ್) "Thej" is an Independent Technologist, Hacker, Maker, Traveler, Blogger, InfoActivist, Open data and Open internet enthusiast from Bangalore, India.
He loves experimenting with all things life and hence some times he is called hacker and other times duct tape.
You can read more about him here.
Email [ i @ thejeshgn dot com]
Fediverse or Mastadon: @thej@social.thej.in
(C) Thejesh GN.The views expressed on this site are mine (Thejesh GN) alone and do not necessarily reflect the views of my employer. Please read the terms and conditions before reading or commenting on this blog.