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--- photography:photography-scripts [2011/11/01 23:25] – [Find incoherence in your backups] cedric
+++ photography:photography-scripts [2012/06/15 07:22] (current) – removed cedric
@@ Line 1: / Line 1: @@
-====== Compare folder contents ======
-===== Find incoherence in your backups =====
-<code bash>
-cedric@debian:~/multimedia$ find ./photographs/ -type f -exec sha1sum {} \; | sort > dir1_sha1
-cedric@debian:~/multimedia$ cd /mnt/nas/
-cedric@debian:/mnt/nas$ find ./photographs/ -type f -exec sha1sum {} \; | sort > dir2_sha1
-cedric@debian:/mnt/nas$ diff --brief /home/cedric/multimedia/dir1_sha1 ./dir2_sha1
-</code>
-====== Focal length repartition ======
-<code python>
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-import pylab
-import glob
-from collections import Counter
-from PIL import Image
-from PIL.ExifTags import TAGS
-DIRECTORY = "/home/cedric/vienna/*.JPG"
-def get_exif(fn):
-    ret = {}
-    i = Image.open(fn)
-    info = i._getexif()
-    if info is not None:
-        for tag, value in info.items():
-            decoded = TAGS.get(tag, tag)
-            ret[decoded] = value
-    return ret
-if __name__ == "__main__":
-    cnt = Counter()
-    pictures = glob.glob(DIRECTORY)
-    focal = Counter()
-    for picture in pictures:
-        exif = get_exif(picture)
-        if exif != {}:
-            focal[exif['FocalLength'][0]] += 1
-    if focal:
-        length = len(focal)
-        ind = pylab.arange(length)
-        width = 0.35 # bars width
-        focal_list = [elem for elem in focal.keys()]
-        focal_count = [elem for elem in focal.values()]
-        max_focal_count = max(focal_count)  # max focal_count
-        p = pylab.bar(ind, focal_count, width, color='r')
-        pylab.ylabel("Number of shots")
-        pylab.xlabel("Focal length")
-        pylab.title("Focal length repartition for " + str(sum(focal_count)) + " pictures")
-        pylab.xticks(ind + (width / 2), focal_list)
-        pylab.xlim(-width, len(ind))
-        # changing the ordinate scale according to the max.
-        if max_focal_count <= 100:
-            pylab.ylim(0, max_focal_count + 5)
-            pylab.yticks(pylab.arange(0, max_focal_count + 5, 5))
-        elif max_focal_count <= 200:
-            pylab.ylim(0, max_focal_count + 10)
-            pylab.yticks(pylab.arange(0, max_focal_count + 10, 10))
-        elif max_focal_count <= 600:
-            pylab.ylim(0, max_focal_count + 25)
-            pylab.yticks(pylab.arange(0, max_focal_count + 25, 25))
-        elif max_focal_count <= 800:
-            pylab.ylim(0, max_focal_count + 50)
-            pylab.yticks(pylab.arange(0, max_focal_count + 50, 50))
-        for rect in p:
-            height = rect.get_height()
-            pylab.text(rect.get_x()+rect.get_width()/2., 1.05*height, '%d'%int(height),
-                    ha='center', va='bottom')
-        pylab.show()
-    else:
-        print "No result."
-</code>
-====== Piwigo ======
-<code python>
-! /usr/local/bin/python
--*- coding: utf-8 -*-
-"""piwigo.py
-Usefull for your Piwigo gallery (http://www.piwigo.org/).
-./piwigo
-    ./photos
-        ./thumbnail/
-        ./pwg_high/
-            ./original_image01.jpg
-            .
-            .
-            ./original_imageN.jpg
-    ./piwigo.py
-Resize images from /pwg_high (original images) directory in two size :
- - 128*128 pixels in ./piwigo/photos/thumbnail ;
- - 1024*768 pixels in ./piwigo/photos/ .
-"""
-__author__ = "Cedric Bonhomme"
-__date__ = "$Date: 2009/03/22 $"
-__copyright__ = "Copyright (c) 2009 Cedric Bonhomme"
-__license__ = "GPL v3"
-import re import os import Image
-def search_files(motif, root_path):
-    """Return a list of tuple (path, files).
-    Search fo files containing 'motif' that
-    aren't symbolic links.
-    """
-    result = []
-    w = os.walk(root_path)
-    for (path, dirs, files) in w:
-        for f in files:
-            if re.compile(motif).search(f):
-                # if not a symbolic link
-                if not os.path.islink(os.path.join(path, f)):
-                    result.append((os.path.join(path, f), f))
-    return result
-images = search_files(".jpg", "./photos/pwg_high")
-for image in images:
-    im = Image.open(image[0])
-    im_thumbnail = im.resize((128, 128), Image.ANTIALIAS)
-    im_thumbnail.save("./photos/thumbnail/TN-" + image[1], quality = 100)
-    im_slide = im.resize((1024, 768), Image.NEAREST)
-    im_slide.save("./photos/" + image[1], quality = 100)
-""" Filter options to resize the image :
-    Use nearest neighbour :
-        Image.NEAREST
-    Linear interpolation in a 2x2 environment :
-        Image.BILINEAR
-    Cubic spline interpolation in a 4x4 environment :
-        Image.BICUBIC
-    Best down-sizing filter :
-        Image.ANTIALIAS
-"""
-</code>
-On peut facilement ajouter le transfert FTP du résultat dans le dossier distant qui va bien.
-====== Watermark avec ImageMagick ======
-<code bash>
-[cedric@localhost ~]$ convert 16-04-2008_0167.jpg -font Arial -pointsize 40 -draw "gravity south > fill black text 0,12 'Cédric Bonhomme' > fill white text 1,11 'Cédric Bonhomme' " wmark_text_drawn.jpg
-</code>
-====== Effet Polaroid ======
-<code bash>
-convert picture.jpg -thumbnail 240 -bordercolor white -background black +polaroid picture-pola.png
-</code>