SF.net SVN: matplotlib:[6285] trunk/matplotlib/examples/misc/ image_thumbnail.py

[<jd...@us...>]

Revision: 6285
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=6285&view=rev
Author:   jdh2358
Date:     2008-10-20 20:54:24 +0000 (Mon, 20 Oct 2008)

Log Message:
-----------
added image thumbnail example

Added Paths:
-----------
    trunk/matplotlib/examples/misc/image_thumbnail.py

Added: trunk/matplotlib/examples/misc/image_thumbnail.py
===================================================================
--- trunk/matplotlib/examples/misc/image_thumbnail.py	                        (rev 0)
+++ trunk/matplotlib/examples/misc/image_thumbnail.py	2008-10-20 20:54:24 UTC (rev 6285)
@@ -0,0 +1,29 @@
+"""
+You can use matplotlib to generate thumbnails from existing images.
+matplotlib natively supports PNG files on the input side, and other
+image types transparently if your have PIL installed
+"""
+
+# build thumbnails of all images in a directory
+import sys, os, glob
+import matplotlib.image as image
+
+
+if len(sys.argv)!=2:
+    print 'Usage: python %s IMAGEDIR'%__file__
+    raise SystemExit
+indir = sys.argv[1]
+if not os.path.exists(indir):
+    print 'Could not find input directory "%s"'%indir
+    raise SystemExit
+
+outdir = 'thumbs'
+if not os.path.exists(outdir):
+    os.makedirs(outdir)
+
+for fname in glob.glob(os.path.join(indir, '*.png')):
+    basedir, basename = os.path.split(fname)
+    outfile = os.path.join(outdir, basename)
+    fig = image.thumbnail(fname, outfile, scale=0.15)
+    print 'saved thumbnail of %s to %s'%(fname, outfile)
+


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