sonthuybacha / tiffToBathymetry

Tiff to bathymetry mbtiles using geotiff, d3-contour and tippecanoe

Script to convert tiff to bathymetry contour mbtiles

Install

• brew install tippecanoe
• npm install

Data preprocessing

1. Download SRTM data from http://www.shadedrelief.com/cleantopo2/
2. Replace value above 10000 by nulls. In GRASS : r.mapcalc expression="clean_topo_ocean = clean_topo > 10000 ? null() : 10000 - clean_topo" --overwrite
3. Export as geotiff

Configuration

• none. Yet. It's hardcoded in the script

Usage

1. Put tiff in './in' folder
2. node index.js
3. Output will be in '/out' folder