This is really more of a reminder for me than anything else.<\/p>\n
Convert is a tool from the same stable as Mogrify<\/a>, and is an absolute life-saver when working with large batches of images.<\/p>\n Just the other day I was using it to\u00a0crop some 2000 jpegs which\u00a0were scans of pages from a rather thick book. The odd and even pages were offset, by which I mean that the space on the outside of the page was greater than on the inside, and I wanted to crop the pages so that they looked pretty even.<\/p>\n Not wanting to do this all by hand, I wrote a Python shell script to process the files.<\/p>\n <\/p>\n This is really more of a reminder for me than anything else. Convert is a tool from the same stable as Mogrify, and is an absolute life-saver when working with large batches of images. Just the other day I was … Continue reading #!\/usr\/bin\/env python3\r\n\r\nimport subprocess\r\nimport os\r\nimport sys\r\n\r\npath_to_jpegs = \"\/home\/dani\/big fat book\/pages\/\"\r\n\r\npath_to_output = path_to_jpegs + 'cropped\/'\r\n\r\nprint('starting...')\r\n\r\nfile_path = path_to_jpegs\r\n\r\n# loop through all the images in the specified folder\r\nfor filename in os.listdir(file_path):\r\n if ('.jpg' in filename): \r\n print('@@@ processing file: ' + path_to_jpegs + filename)\r\n\r\n # file number is needed in order to determine of the file is an odd or even page\r\n dot_pos = filename.find('.')\r\n file_number = int(filename[:dot_pos])\r\n \r\n # switch coords depending if this file is even or odd\r\n # left page\r\n if (file_number % 2 == 0):\r\n #coords = '1940x2720+966+240'\r\n coords = '1940x2720+400+238'\r\n # right page\r\n else:\r\n #coords = '1940x2720+400+238'\r\n coords = '1940x2720+966+240'\r\n \r\n subprocess.call(['convert', '-crop', coords, path_to_jpegs + filename, path_to_output + filename])\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"