From 2b77021c11ef3ca89575aec1092f1487fa5a32b0 Mon Sep 17 00:00:00 2001 From: Aaron LI Date: Mon, 20 Feb 2017 21:17:16 +0800 Subject: calc_centroid.py: Update default arguments for better results --- scripts/calc_centroid.py | 31 +++++++++++-------------------- 1 file changed, 11 insertions(+), 20 deletions(-) diff --git a/scripts/calc_centroid.py b/scripts/calc_centroid.py index 6d8ba33..7df71b1 100755 --- a/scripts/calc_centroid.py +++ b/scripts/calc_centroid.py @@ -58,18 +58,9 @@ def smooth_image(infile, outfile=None, return outfile -def get_peak(image, center=None, radius=300): +def get_peak(image): """ - Get the peak coordinate on the image within the circle if specified. - - Parameters - ---------- - image : str - Path to the image file. - center : 2-float tuple - Central (physical) coordinate of the circle. - radius : float - Radius (pixel) of the circle. + Get the peak coordinate on the image. Returns ------- @@ -79,7 +70,7 @@ def get_peak(image, center=None, radius=300): subprocess.check_call(["punlearn", "dmstat"]) subprocess.check_call([ "dmstat", "infile=%s" % image, - "centroid=no", "media=no", "sigma=no", "clip=no" + "centroid=no", "media=no", "sigma=no", "clip=no", "verbose=0" ]) peak = subprocess.check_output([ "pget", "dmstat", "out_max_loc" @@ -88,7 +79,7 @@ def get_peak(image, center=None, radius=300): return (float(peak[0]), float(peak[1])) -def get_centroid(image, center, radius=100): +def get_centroid(image, center, radius=50): """ Calculate the centroid on image within the specified circle. @@ -113,7 +104,7 @@ def get_centroid(image, center, radius=100): subprocess.check_call(["punlearn", "dmstat"]) subprocess.check_call([ "dmstat", "infile=%s[sky=region(%s)]" % (image, fp.name), - "centroid=yes", "media=no", "sigma=no", "clip=no" + "centroid=yes", "media=no", "sigma=no", "clip=no", "verbose=0" ]) centroid = subprocess.check_output([ "pget", "dmstat", "out_cntrd_phys" @@ -132,16 +123,16 @@ def main(): help="output centroid region file " + "(default: centroid.reg") parser.add_argument("-R", "--radius1", dest="radius1", - type=float, default=300, + type=float, default=100, help="circle radius [pixel] for first phase " + - "centroid calculation (default: 300 pixel)") + "centroid calculation (default: 100 pixel)") parser.add_argument("-r", "--radius2", dest="radius2", - type=float, default=100, + type=float, default=50, help="circle radius [pixel] for second phase " + - "calculation to tune centroid (default: 100 pixel)") + "calculation to tune centroid (default: 50 pixel)") parser.add_argument("-n", "--niter", dest="niter", - type=int, default=5, - help="iterations for each phase (default: 5)") + type=int, default=10, + help="iterations for each phase (default: 10)") parser.add_argument("-s", "--start", dest="start", help="a region file containing a circle/point " + "that specifies the starting point " + -- cgit v1.2.2