blr-yesterday

The code that powers BLR Yesterday

Develop

• Install dependencies with pnpm install (or npm install)
• Start local dev server with pnpm run dev (or npm run dev)
• Build site deployment assets with pnpm run build (or npm run build)

Configuration

The default configuration in src/lib/config.ts builds the site for BLR. To build the site for a different city, update the src/lib/config.ts file with the configuration for that city.

Planned

• Media integration
  • Explore view with media search
    • Search feature
    • Custom annotations
  • Map view with media overlay
    • Location metadata to use on map
  • Media entry page
• Map
  • Horizontal slider to compare maps side-by-side
• Other
  • Gazette
  • Reports
  • State Archives
  • Pictures

Maps

The maps have been sourced from multiple places:

• 1790: https://artsandculture.google.com/asset/bengaluru-karnataka-robert-home/KgF0MfabwOrhJg
• 1840: https://commons.wikimedia.org/wiki/File:Plan_of_Bangalore_Cantonment_1843.jpg
• 1850: https://commons.wikimedia.org/wiki/File:Bangalore_1854_Pharaoh_hires.jpg
• 1880: Mod Foundation archives
• 1900: https://britishlibrary.oldmapsonline.org/maps/5c5f6ea9-8f24-5df6-9fc1-ad11ecfbcdc1/
• 1910: https://www.raremaps.com/gallery/detail/55788/map-of-country-10-miles-around-bangalore-anonymous
• 1920: https://zenodo.org/records/15028333
• 1940: https://umedia.lib.umn.edu/item/p16022coll246:577 and Mod Foundation archives
• 1960: Mod Foundation archives
• 1960 (Region): https://zenodo.org/records/15028333
• 1980: Mod Foundation archives
• 1980 (Region): https://zenodo.org/records/15028333
• 2000: Bengawalk
• 2000 (Region): Bengawalk
• 200x: https://www.arcgis.com/home/item.html?id=903f0abe9c3b452dafe1ca5b8dd858b9
• 2015: https://www.arcgis.com/home/item.html?id=9badc1f6b6a64a609a87fc75e8a6b083
• Today: https://www.arcgis.com/home/item.html?id=10df2279f9684e4a9f6a7f08febac2a9

The scanned maps are made available on the site using the following steps:

1. Georeferenced using the Georeferencer plugin for QGIS.
2. Exported to GeoTIFF format.
3. Saved as XYZ tiles using gdal2tiles
4. Uploaded to an R2 Bucket on Cloudflare.

If you'd like to contribute a new map, create an issue with details about the map.

AI Declaration

Components of this repository, including code and documentation, were written with assistance from Claude AI.