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# CUSF standalone predictor
# CUSF Standalone Predictor - Version 2
Working on improving the Cambridge University Spaceflight landing predictor, used for predicting the flight path and landing location of latex balloons.
Working on improving the Cambridge University Spaceflight landing predictor, a web-based tool for predicting the flight path and landing location of latex balloons.
## Install
The source for the prediction software itself is in `pred_src` and instructions for building it can be found there.
The source for the predictor itself is in `pred_src` and instructions for building it can be found there.
The `predict/preds/` directory needs to have rwx access by the PHP interpreter and the `predict.py` python script. You will need to install the following python packages: pydap, numpy, json, simple-json.
The `predict/preds/` and `gfs` directories needs to have rwx access by the PHP interpreter and the `predict.py` python script. You will need to install the following python packages: pydap, numpy, json, simple-json. We use `at` to automatically background the predictor, so you will need that installed.
Other than that, just clone this repo to a non web-accessible folder and create symlinks to the `predict/` and `hourly-predictions/` directories in the repo.
There are useful configuration options in `predict/includes/config.inc.php`.
## Information
A cronjob should be run to delete directories in the `preds/` directory after a given number of days, perhaps 7 or 10.
A cronjob should be run to delete directories in the `preds/` directory after a given number of days, probably 7. Predictions older than 7 days are useless anyway.
The directory names are UUIDs comprised of an SHA1 hash of the launch parameters, and re-running predictions will overwrite data in the existing directory, rather than create a new one.