pynexrad 0.0.20

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pynexrad

About

This package wraps https://github.com/danielway/nexrad with some additional data processing and exposes python bindings to download and retrieve NEXRAD data from AWS. It was written to move expensive computations out of python and into rust to improve the performance of my 3d radar viewer project: https://github.com/jtfedd/3d-radar. The bindings are rather closely coupled to that project and may not be suitable for general use.

Running Python Examples

There are some python examples which demonstrate using the bindings to retrieve NEXRAD data as well as some reference examples which use https://github.com/ARM-DOE/pyart/ to compare against.

Install dependencies

pip install -r requirements-dev.txt

Build and install pynexrad wheel locally

maturin develop

Run examples

python examples/<example>.py

Running the Rust viewer

This package contains an example viewer which is written in Rust to help validate that the radar data is being processed correctly. It should be built in release mode because it is very inefficient and it will have poor performance otherwise.

cargo run --release --example viewer

Testing changes locally with 3d-radar

From the 3d-radar project, with its virtual environment active, cd to this project and run maturin develop. This will overwrite the wheel that was installed in the virtual environment with a development wheel based on your local changes. THen you can cd back to the 3d-radar project directory and run as normal. When you are finished and wish to return to a release build, you can simply pip uninstall pynexrad and reinstall dependencies for pip to download and install a release build.