Collection of 1:25,000 scale "Flood Risk Area Map" series from Survey Of India and National Hydrology Project - Copyright Notice

Collection Summary

• List Of All Available Sheets
• Extraction Status Page

Get A Copy

The data is also hosted as a mosaic of pmtiles files.

This can be downloaded as local mbtiles by running the following commands (after installing uv):

uvx --from pmtiles-mosaic download-mosaic -u https://github.com/ramSeraph/india_topo_maps/releases/download/25k-nhp-pmtiles/SOI-NHP-25k.mosaic.json -o soi_nhp_25k.mbtiles

This creates a file soi_nhp_25k.mbtiles in the current directory containing the whole data.

Web

• Tile URL
  • https://indianopenmaps.fly.dev/soi/25k/nhp/{z}/{x}/{y}.webp
• Demo Page
  • DEMO of the tilemap

JOSM

• Plugins needed to use the above tile url with JOSM
  • ImageIO plugin
    • After enabling the plugin enable webp in Imagery Preferences -> ImageIO tab
• A locally downloaded soi_nhp_25k.mbtiles file can also be used by installing the following plugins and opening the file in JOSM.
  • ImageIO plugin
    • After enabling the plugin enable webp in Imagery Preferences -> ImageIO tab
  • iandees/josm-mbtiles

Appendix

• Original availability file from SOI
• Index file derived from the 50k osm index