https://github.com/fxi/tifftobathymetry

Tiff to bathymetry mbtiles using geotiff, d3-contour and tippecanoe
https://github.com/fxi/tifftobathymetry

Last synced: 2 months ago
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Tiff to bathymetry mbtiles using geotiff, d3-contour and tippecanoe

• Host: GitHub
• URL: https://github.com/fxi/tifftobathymetry
• Owner: fxi
• Created: 2020-05-12T16:22:48.000Z (about 5 years ago)
• Default Branch: master
• Last Pushed: 2022-09-29T16:55:06.000Z (over 2 years ago)
• Last Synced: 2025-04-14T15:21:56.524Z (2 months ago)
• Language: JavaScript
• Size: 8.21 MB
• Stars: 4
• Watchers: 1
• Forks: 1
• Open Issues: 3
• Metadata Files:
  • Readme: README.md

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README

        
# Script to convert tiff to bathymetry contour mbtiles

![sample](images/bathymetry_sample.gif)

## 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