astro/fitsimage.py: "info" sub-command show min, max and range

1 files changed, 5 insertions, 0 deletions

diff --git a/astro/fits/fitsimage.py b/astro/fits/fitsimage.py
index f49280a..95c9ed8 100755
--- a/astro/fits/fitsimage.py
+++ b/astro/fits/fitsimage.py
@@ -180,12 +180,17 @@ def show_info(filename, abs_=None, center=None):
         rc, cc = rows//2, cols//2
         cs1, cs2 = center//2, (center+1)//2
         data = data[(rc-cs1):(rc+cs2), (cc-cs1):(cc+cs2)]
+    min_ = np.nanmin(data)
+    max_ = np.nanmax(data)
     mean = np.nanmean(data)
     median = np.nanmedian(data)
     std = np.nanstd(data)
     iqr = np.diff(np.nanpercentile(data, q=(25, 75)))
     mad = np.nanmedian(np.abs(data - median))
     rms = np.sqrt(np.nanmean(data**2))
+    print("min:    %13.6e" % min_)
+    print("max:    %13.6e" % max_)
+    print("range:  %13.6e (max - min)" % (max_ - min_))
     print("mean:   %13.6e" % mean)
     print("median: %13.6e" % median)
     print("std:    %13.6e  (standard deviation)" % std)