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-rwxr-xr-xastro/oskar/wsclean.py18
1 files changed, 14 insertions, 4 deletions
diff --git a/astro/oskar/wsclean.py b/astro/oskar/wsclean.py
index 383510d..2ee62bf 100755
--- a/astro/oskar/wsclean.py
+++ b/astro/oskar/wsclean.py
@@ -94,6 +94,12 @@ def main():
action="store_true",
help="force the fitted beam to be circular, i.e., " +
"BMIN == BMAJ")
+ parser.add_argument("--beam-size", dest="beam_size", type=float,
+ help="specify the circular beam size (FWHM) in " +
+ "[arcsec] for restoring the clean components; " +
+ "implies --circular-beam")
+ parser.add_argument("--wlayers", dest="wlayers", type=int,
+ help="specify the number of w-layers to use")
parser.add_argument("--uv-range", dest="uv_range", default=":",
help="uv range [lambda] (i.e., baseline lengths) " +
"used for imaging; syntax: '<min>:<max>' " +
@@ -106,9 +112,9 @@ def main():
help="Briggs robustness parameter (default: 0); " +
"-1 (uniform) -> 1 (natural)")
parser.add_argument("-#", "--niter", dest="niter",
- type=int, default=200000,
+ type=float, default=5e5,
help="maximum number of CLEAN iterations " +
- "(default: 200,000)")
+ "(default: 500,000)")
parser.add_argument("--gain", dest="gain", type=float, default=0.1,
help="CLEAN gain for each minor iteration " +
"(default: 0.1)")
@@ -147,14 +153,14 @@ def main():
cmdargs = [
"-verbose",
"-log-time",
- "-pol", "XX", # OSKAR "Scalar" simulation only give "XX" component
+ "-pol", "XX", # OSKAR "Scalar" simulation only gives "XX" component
"-make-psf", # always make the PSF, even no cleaning performed
]
if args.dirty:
cmdargs += ["-niter", 0] # make dirty image only
else:
- cmdargs += ["-niter", args.niter]
+ cmdargs += ["-niter", int(args.niter)]
if args.weight == "uniform":
cmdargs += ["-weight", "uniform",
@@ -183,6 +189,10 @@ def main():
cmdargs += ["-saveuv"]
if args.circular_beam:
cmdargs += ["-circularbeam"]
+ if args.beam_size:
+ cmdargs += ["-beamsize", args.beam_size]
+ if args.wlayers:
+ cmdargs += ["-nwlayers", args.wlayers]
# uv/baseline range
uvmin, uvmax = args.uv_range.strip().split(":")