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CLI for parsing Ordnance Survey Digital Elevation Model files
This is the CLI for the sister terrain50
library on npm for parsing Ordnance Survey DEM files I also implemented.
Install via npm
:
npm install terrain50-cli --global
The command-line interface works on a subcommand-based system using applause-cli
(another package of mine).
Display the usage information like this:
terrain50 --help
If you installed it locally, you’ll need to do this:
path/to/node_modules/.bin/terrain50 --help
Additionally, a number of environment variables are supported.
Variable | Purpose |
---|---|
NO_COLOR |
Disables ANSI escape codes in output (i.e. coloured output). Not recommended unless you have a reason. |
QUIET |
Suppress all output except for warnings and errors (not fully supported everywhere yet) |
image
subcommand: --boundaries
argumentThis argument’s purpose is the divide the incoming data into categories so that an AI can be potentially trained on the data (e.g. water depth data, as I’m using). It takes a comma separated list of values like this:
0.1,0.5,1,5
...and turns it into a number of bins like so:
Each bin is assigned a colour. Then, for each value in the input, it draws the colour that’s assigned to the bin that the value fits into.
Contributions are welcome as PRs! Don’t forget to say that you donate your contribution under the Mozilla Public License 2.0 in your PR comment.
This project is licensed under the Mozilla Public License 2.0. See the LICENSE
file in this repository for the full text.