Thejesh GN

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.

Tagged: Overpass turbo

Node red flow 2

Technology

 

Building Surveillance in Bangalore leaderboard using Node-Red and CouchDB

I wrote the Surveillance in Bangalore leaderboard using Budibase a while ago. However, I was not impressed with Budibase’s latest changes, so I replaced it with the good old Node-Red flow. Node-Red is already running at my home, so installing it was not required. Since the data was always stored on my instance of CouchDB, I didn’t have to do any migration there. I moved the automation to Node-Red And viewed it using HTML and CouchDB Views.

OSM Tubro Query for Pet friendly places in Bengaluru 1

Technology

 

Mapping Pet Friendly Places in Bengaluru on OpenStreetMap

I have started mapping pet-friendly places in and around Bengaluru. I am considering the newer areas like Devanahalli, Hosakote, Nelamangala, Anekal, etc. Hence, the area I am mapping is bigger than the city of Bengaluru.  For mapping pet-friendly places, there are two competing tags. pets and pets_allowed. Given that Pets is used a lot, I am...

SIB Leaderboard Design 1

Technology

Building Surveillance in Bangalore leaderboard using Budibase and CouchDB

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.

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Technology

How to Download Surveillance in Bengaluru Data

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.