stvid/process.py

147 lines
5.1 KiB
Python
Executable File

#!/usr/bin/env python3
from __future__ import print_function
import glob
import numpy as np
from stvid.stio import fourframe
from stvid.stars import generate_star_catalog
from stvid.astrometry import calibrate_from_reference
from stvid.astrometry import is_calibrated
from stvid.satellite import generate_satellite_predictions
from stvid.satellite import find_hough3d_lines
from stvid.extract import extract_tracks
import astropy.units as u
from astropy.utils.exceptions import AstropyWarning
from astropy.coordinates import EarthLocation
import warnings
import configparser
import argparse
import os
from termcolor import colored
import time
import shutil
if __name__ == "__main__":
# Read commandline options
conf_parser = argparse.ArgumentParser(description='Process captured' +
' video frames.')
conf_parser.add_argument("-c",
"--conf_file",
help="Specify configuration file. If no file" +
" is specified 'configuration.ini' is used.",
metavar="FILE")
conf_parser.add_argument("-d",
"--directory",
help="Specify directory of observations. If no" +
" directory is specified parent will be used.",
metavar='DIR',
dest='file_dir',
default=".")
args = conf_parser.parse_args()
# Process commandline options and parse configuration
cfg = configparser.ConfigParser(inline_comment_prefixes=('#', ';'))
if args.conf_file:
cfg.read([args.conf_file])
else:
cfg.read('configuration.ini')
# Set warnings
warnings.filterwarnings("ignore", category=UserWarning, append=True)
warnings.simplefilter("ignore", AstropyWarning)
# Set location
loc = EarthLocation(lat=cfg.getfloat('Common', 'observer_lat') * u.deg,
lon=cfg.getfloat('Common', 'observer_lon') * u.deg,
height=cfg.getfloat('Common', 'observer_el') * u.m)
# Extract settings
# Minimum predicted velocity (pixels/s)
drdtmin = 10.0
# Track selection region around prediction (pixels)
trkrmin = 10.0
# Track selection sigma
trksig = 5.0
# Minimum track points
ntrkmin = 10
# Move to processing directory
os.chdir(args.file_dir)
# Statistics file
fstat = open("imgstat.csv", "w")
fstat.write("fname,mjd,ra,de,rmsx,rmsy,mean,std,nstars,nused\n")
# Create output dirs
path = args.file_dir
results_path = os.path.join(cfg.get('Common', 'results_path'),
os.path.split(args.file_dir)[-1])
if not os.path.exists(os.path.join(results_path, "classfd")):
os.makedirs(os.path.join(results_path, "classfd"))
if not os.path.exists(os.path.join(results_path, "catalog")):
os.makedirs(os.path.join(results_path, "catalog"))
if not os.path.exists(os.path.join(results_path, "unid")):
os.makedirs(os.path.join(results_path, "unid"))
if not os.path.exists(os.path.join(path, "processed")):
os.makedirs(os.path.join(path, "processed"))
# Forever loop
while True:
# Get files
fnames = sorted(glob.glob("2*.fits"))
# Loop over files
for fname in fnames:
# Generate star catalog
pix_catalog = generate_star_catalog(fname)
# Calibrate astrometry
calibrate_from_reference(fname, "test.fits", pix_catalog)
# Generate satellite predictions
generate_satellite_predictions(fname)
# Detect lines with 3D Hough transform
ids = find_hough3d_lines(fname)
# Extract tracks
extract_tracks(fname, trkrmin, drdtmin, trksig, ntrkmin,
results_path)
# Stars available and used
nused = np.sum(pix_catalog.flag == 1)
nstars = pix_catalog.nstars
# Get properties
ff = fourframe(fname)
# Write output
output = "%s %10.6f %10.6f %4d/%4d %5.1f %5.1f %6.2f +- %6.2f" % (
ff.fname, ff.crval[0], ff.crval[1], nused, nstars,
3600.0 * ff.crres[0], 3600.0 * ff.crres[1], np.mean(
ff.zavg), np.std(ff.zavg))
if is_calibrated(ff):
print(colored(output, "green"))
else:
print(colored(output, "red"))
fstat.write(
("%s,%.8lf,%.6f,%.6f,%.3f,%.3f,%.3f," + "%.3f,%d,%d\n") %
(ff.fname, ff.mjd, ff.crval[0], ff.crval[1],
3600 * ff.crres[0], 3600 * ff.crres[1], np.mean(
ff.zavg), np.std(ff.zavg), nstars, nused))
# Move processed files
shutil.move(fname, "processed")
shutil.move(fname + ".png", "processed")
shutil.move(fname + ".id", "processed")
shutil.move(fname + ".cat", "processed")
# Sleep
time.sleep(10)
# Close files
fstat.close()