Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder2.enfer-du-nord.net!cs.uu.nl!news.le-studio75.com!news.univ-fcomte.fr!not-for-mail From: Laurent Claessens Newsgroups: comp.lang.python Subject: Re: Parsing a graph image Date: Fri, 13 May 2011 14:43:46 +0200 Organization: A poorly-installed InterNetNews site Lines: 22 Message-ID: <4DCD2782.2010803@gmail.com> References: <90jv98-322.ln1@satorlaser.homedns.org> <20110513142445.0792eb4e@chaostal.de> NNTP-Posting-Host: soleil.univ-fcomte.fr Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit X-Trace: news.univ-fcomte.fr 1305290624 7751 194.57.84.1 (13 May 2011 12:43:44 GMT) X-Complaints-To: news@news.univ-fcomte.fr NNTP-Posting-Date: Fri, 13 May 2011 12:43:44 +0000 (UTC) Cc: Bastian Ballmann , python-list@python.org To: saurabh verma User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.13) Gecko/20101208 Thunderbird/3.1.7 In-Reply-To: Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:5299 > I guess it requires some kind of image processing , where you can move around image pixel >by pixel and somehow figure out what color is present in that pixel . > If there isn’t much noise in the image you should sharp contrast and would >be able to differentiate between two colors ? if yes ( I don’t know matlab >might provide some tools .. just guessing ) then its easy i think to pick (X,Y) as time and value ? You made me think that in addition to ask to imagemagick's and matplotlib, one can also as to Sage[1] In order of pythonicity : - matplotlib - sage - imagemagick's Laurent [1] www.sagemath.org PS : Sorry for having send my previous answer 5 times. I don't understand :(