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-rwxr-xr-xastro/marx/marx_pntsrc.py95
1 files changed, 95 insertions, 0 deletions
diff --git a/astro/marx/marx_pntsrc.py b/astro/marx/marx_pntsrc.py
new file mode 100755
index 0000000..31ffe49
--- /dev/null
+++ b/astro/marx/marx_pntsrc.py
@@ -0,0 +1,95 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Aaron LI
+# 2015/06/16
+
+"""
+Run MARX simulation on a given list of point sources, merge the
+output simulation results, and finally convert into FITS image.
+"""
+
+__version__ = "0.1.0"
+__date__ = "2015/06/16"
+
+import sys
+import argparse
+import subprocess
+import re
+
+
+def marx_pntsrc(pfile, ra, dec, flux, outdir):
+ """
+ Run MARX simulation for the provided point source.
+ """
+ cmd = "marx @@%(pfile)s SourceRA=%(ra)s " % {"pfile": pfile, "ra": ra} + \
+ "SourceDEC=%(dec)s SourceFlux=%(flux)s OutputDir=%(outdir)s" % \
+ {"dec": dec, "flux": flux, "outdir": outdir}
+ print("CMD: %s" % cmd, file=sys.stderr)
+ subprocess.call(cmd, shell=True)
+
+
+def marxcat(indirs, outdir):
+ """
+ Concatenate a list of MARX simulation results.
+ """
+ if isinstance(indirs, list):
+ marxdirs = " ".join(indirs)
+ elif isinstance(indirs, str):
+ marxdirs = indirs
+ else:
+ raise ValueError("invalid indirs type: %s" % indirs)
+ cmd = "marxcat %(marxdirs)s %(outdir)s" % \
+ {"marxdirs": marxdirs, "outdir": outdir}
+ print("CMD: %s" % cmd, file=sys.stderr)
+ subprocess.call(cmd, shell=True)
+
+
+def marx2fits(indir, outfile, params=""):
+ """
+ Convert the results of MARX simulation into FITS image.
+ """
+ cmd = "marx2fits %(params)s %(indir)s %(outfile)s" % \
+ {"params": params, "indir": indir, "outfile": outfile}
+ print("CMD: %s" % cmd, file=sys.stderr)
+ subprocess.call(cmd, shell=True)
+
+
+def main():
+ parser = argparse.ArgumentParser(
+ description="Run MARX on a given list of point sources")
+ parser.add_argument("-V", "--version", action="version",
+ version="%(prog)s " + "%s (%s)" % (__version__, __date__))
+ parser.add_argument("pfile", help="marx paramter file")
+ parser.add_argument("srclist", help="point source list file")
+ parser.add_argument("outprefix", help="prefix of output directories")
+ args = parser.parse_args()
+
+ outdirs = []
+ i = 0
+ for line in open(args.srclist, "r"):
+ if re.match(r"^\s*$", line):
+ # skip blank line
+ continue
+ elif re.match(r"^\s*#", line):
+ # skip comment line
+ continue
+ i += 1
+ ra, dec, flux = map(float, line.split())
+ print("INFO: ra = %g, dec = %g, flux = %g" % (ra, dec, flux),
+ file=sys.stderr)
+ outdir = "%sp%02d" % (args.outprefix, i)
+ print("INFO: outdir = %s" % outdir, file=sys.stderr)
+ outdirs.append(outdir)
+ marx_pntsrc(args.pfile, ra, dec, flux, outdir)
+ # merge results
+ merged = args.outprefix + "merged"
+ marxcat(outdirs, merged)
+ # convert to FITS image
+ merged_fits = merged + ".fits"
+ marx2fits(merged, merged_fits)
+
+
+if __name__ == "__main__":
+ main()
+