weacast-gtiff2json
A command line utility that decodes GeoTIFF files as JSON.
This utility uses the native GDAL binding for Node.js : node-gdal.
This work is highly inspired from geotiff2json but extends it to support:
- simple JSON conversion without RLE encoding
- any block size in TIFF files (not just squares)
Usage
Here's an example that converts file.tif
into a JSON array and writes it to disk as data.json
:
var geotiff2json = fs =
Here's an example that converts file.tif
into an RLE value array and writes it to disk as data.json
:
var geotiff2json = fs =
The output file's content will look similar to this:
Note: The linebreaks and whitespace have been added for better readability, the file won't contain those to reduce size.
These values are in fact value pairs.
- The first value of each pair is the y-coordinate of the point.
- The second value of each pair is the number of times this y-coordinate is repeated.
So in the example above, the y-value 100
shall be repeated 10
times, the y-value 132
shall be repeated once and so on..
Contribute
If you find a bug or a problem or data that doesn't parse correctly, even though it should, please report an issue here.
In case you found a GeoTIFF that doesn't parse correctly, please attach a link to the file or attach it to the issue directly.
If you have improvement suggestions, feel free to fork this repository and submit a pull request.
Thank you for your help and support.
License
Copyright (c) 2017
Licensed under the MIT license.