diff options
Diffstat (limited to 'astro')
| -rwxr-xr-x | astro/ps2d.py | 29 |
1 files changed, 5 insertions, 24 deletions
diff --git a/astro/ps2d.py b/astro/ps2d.py index cbb3a93..accdf54 100755 --- a/astro/ps2d.py +++ b/astro/ps2d.py @@ -126,11 +126,9 @@ class PS2D: window_name : str, optional if specified, taper the cube along the frequency axis using the specified window. - window_width : str, optional - if ``extended`` then use the extended window instead. """ def __init__(self, cube, pixelsize, frequencies, meanstd=False, - unit="???", window_name=None, window_width=None): + unit="???", window_name=None): logger.info("Initializing PS2D instance ...") self.cube = np.array(cube, dtype=float) self.pixelsize = pixelsize # [arcsec] @@ -160,10 +158,9 @@ class PS2D: self.DMz = cosmo.comoving_transverse_distance(self.zc).value self.meanstd = meanstd self.window_name = window_name - self.window_width = window_width - self.window = self.gen_window(name=window_name, width=window_width) + self.window = self.gen_window(name=window_name) - def gen_window(self, name=None, width=None): + def gen_window(self, name=None): if name is None: return None @@ -171,17 +168,7 @@ class PS2D: nfreq = self.nfreq window = window_func(nfreq, sym=False) width_pix = self.nfreq - if width == "extended": - ex = 1.0 / (window.sum() / nfreq) - width_pix = int(ex * nfreq) - window = window_func(width_pix, sym=False) - # cut the filter - midx = int(len(window) / 2) # index of the peak element - nleft = int(nfreq / 2) # number of element on the left - nright = int((nfreq-1) / 2) # number of element on the right - window = window[(midx-nleft):(midx+nright+1)] - - logger.info("Generated window: %s (%s/%d)" % (name, width, width_pix)) + logger.info("Generated window: %s (%d pixels)" % (name, width_pix)) return window def calc_ps3d(self): @@ -477,7 +464,6 @@ class PS2D: hdr["AvgType"] = ("median + 68% percentile range", "average type") hdr["WINDOW"] = (self.window_name, "window applied along LoS") - hdr["WinWidth"] = (self.window_width, "window width") # Physical coordinates: IRAF LTM/LTV # Li{Image} = LTMi_i * Pi{Physical} + LTVi @@ -534,10 +520,6 @@ def main(): choices=["nuttall"], help="apply window along frequency axis " + "(default: None)") - parser.add_argument("--window-width", dest="window_width", - choices=["extended"], - help="width of the window to adjust its shape " + - "(default: None, i.e., standard)") parser.add_argument("-i", "--infile", dest="infile", nargs="+", help="input FITS image cube(s); if multiple cubes " + "are provided, they are added first.") @@ -573,8 +555,7 @@ def main(): raise RuntimeError("--pixelsize required") ps2d = PS2D(cube=cube, pixelsize=pixelsize, frequencies=frequencies, - meanstd=args.meanstd, unit=bunit, - window_name=args.window, window_width=args.window_width) + meanstd=args.meanstd, unit=bunit, window_name=args.window) ps2d.calc_ps3d() ps2d.calc_ps2d() ps2d.save(outfile=args.outfile, clobber=args.clobber) |