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plot.py
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plot.py
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import argparse
import logging
from pathlib import Path
from nbody_sim import common, plot
def setup_logging(is_debug : bool) -> None:
loglevel = logging.DEBUG if is_debug else logging.INFO
logging.basicConfig(level=loglevel)
def create_subparser(subparsers, name):
parser = subparsers.add_parser(name)
parser.add_argument('run_name', type=str)
parser.set_defaults(action_name=name)
return parser
def main() -> None:
parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('--debug', action='store_true')
parser.add_argument('--save', type=Path, help='save the image to this file')
subparsers = parser.add_subparsers()
parser_r = create_subparser(subparsers, 'pos')
parser_r.add_argument('--bodies', type=str, nargs='*', help='names of bodies to plot')
parser_r.add_argument('--relative-to', type=str)
parser_r.add_argument('--axes', type=str, default='xy', help='two axes to use in plotting')
parser_osc = create_subparser(subparsers, 'elements')
parser_osc.add_argument('body_name', type=str)
parser_osc.add_argument('--elements', type=str, help='orbital element to plot')
parser_energy = create_subparser(subparsers, 'energy')
parser_energy.add_argument('--bodies', type=str, nargs='*', help='names of bodies to plot separately')
parser_energy.add_argument('--cumulative', action='store_true', help='do cumulative plot')
parser_momentum = create_subparser(subparsers, 'momentum')
parser_momentum.add_argument('--bodies', type=str, nargs='*', help='names of bodies to plot separately, cumulative if not specified')
parser_momentum.add_argument('--cumulative', action='store_true', help='do cumulative plot')
args = parser.parse_args()
setup_logging(args.debug)
logging.debug(str(args))
if args.action_name == 'pos':
plot.plot_positions(args.run_name, args.save, args.axes, args.bodies, args.relative_to)
elif args.action_name == 'elements':
plot.plot_elements(args.run_name, args.save, args.body_name, args.elements)
elif args.action_name == 'energy':
plot.plot_energy(args.run_name, args.save, args.bodies, args.cumulative)
elif args.action_name == 'momentum':
plot.plot_momentum(args.run_name, args.save, args.bodies, args.cumulative)
else:
raise RuntimeError(f'unexpected plotting action: {args.action_name}')
if __name__ == '__main__':
main()