Re: Parsing a graph image

2011-05-21 Thread John J Lee
Bastian Ballmann writes: > Hi, > > the project sounds like the exact tool that i need but regarding the > user manual one has to mark the points on the graph manually. Therefore > it's more work to get the data out than doing it without a tool. Or may > I miss something here? > Greets Read the d

Re: Parsing a graph image

2011-05-16 Thread Robert Kern
On 5/16/11 8:38 AM, Bastian Ballmann wrote: Hi, the project sounds like the exact tool that i need but regarding the user manual one has to mark the points on the graph manually. Therefore it's more work to get the data out than doing it without a tool. Or may I miss something here? You are pr

Re: Parsing a graph image

2011-05-16 Thread Bastian Ballmann
Hi, the project sounds like the exact tool that i need but regarding the user manual one has to mark the points on the graph manually. Therefore it's more work to get the data out than doing it without a tool. Or may I miss something here? Greets Basti Am Fri, 13 May 2011 14:38:45 -0500 schrieb

Re: Parsing a graph image

2011-05-14 Thread Paul
On May 13, 11:19 pm, Bastian Ballmann wrote: > Hi python lovers out there, > > I am searching for a library to parse data from a graph in an image file > something likehttp://pytseries.sourceforge.net/_images/yahoo.png > Any suggestions, hints, links? > > TIA && have a nice day! :) > > Basti > >  

Re: Parsing a graph image

2011-05-13 Thread Dan Stromberg
You could convert the image to a netpbm format, like ppm, pgm or pbm. If the image has few colors, that should be quite viable. Each of these formats are easy to work with in Python. ppm is for color, pgm is for grayscale, pbm is for strictly black and white, pnm pertains to any of the 3. There

Re: Parsing a graph image

2011-05-13 Thread Robert Kern
On 5/13/11 7:24 AM, Bastian Ballmann wrote: Hi, Am Fri, 13 May 2011 14:01:48 +0200 schrieb Ulrich Eckhardt: I'm not sure I understand 100% what you want. If you want to extract ("parse") the data that is contained in an image file, I have no clue how to do that. Yes, I want to extract the da

Re: Parsing a graph image

2011-05-13 Thread Neil Cerutti
On 2011-05-13, Bastian Ballmann wrote: > Hi python lovers out there, > > I am searching for a library to parse data from a graph in an > image file something like > http://pytseries.sourceforge.net/_images/yahoo.png Any > suggestions, hints, links? You can do this with PIL http://www.pythonware.c

Re: Parsing a graph image

2011-05-13 Thread Laurent Claessens
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

Re: Parsing a graph image

2011-05-13 Thread saurabh verma
On 13-May-2011, at 5:54 PM, Bastian Ballmann wrote: > Hi, > > Am Fri, 13 May 2011 14:01:48 +0200 > schrieb Ulrich Eckhardt : > >> I'm not sure I understand 100% what you want. If you want to extract >> ("parse") the data that is contained in an image file, I have no clue >> how to do that. >

Re: Parsing a graph image

2011-05-13 Thread Laurent Claessens
Yes, I want to extract the data that is contained in an image file. Greets Basti > Yes, I want to extract the data that is contained in an image file. > Greets Maybe ask to imagemagick's or matplotlib. They should know if it is possible at all. Good luck. Laurent -- http://mail.python.o

Re: Parsing a graph image

2011-05-13 Thread Laurent Claessens
Yes, I want to extract the data that is contained in an image file. Greets Maybe ask to imagemagick's or matplotlib. They should know if it is possible at all. Good luck. Laurent -- http://mail.python.org/mailman/listinfo/python-list

Re: Parsing a graph image

2011-05-13 Thread Laurent Claessens
Yes, I want to extract the data that is contained in an image file. Greets Maybe ask to imagemagick's or matplotlib. They should know if it is possible at all. Good luck. Laurent -- http://mail.python.org/mailman/listinfo/python-list

Re: Parsing a graph image

2011-05-13 Thread Laurent Claessens
Yes, I want to extract the data that is contained in an image file. Greets Maybe ask to imagemagick's or matplotlib. They should know if it is possible at all. Good luck. Laurent -- http://mail.python.org/mailman/listinfo/python-list

Re: Parsing a graph image

2011-05-13 Thread Laurent Claessens
Yes, I want to extract the data that is contained in an image file. Greets Maybe ask to imagemagick's or matplotlib. They should know if it is possible at all. Good luck. Laurent -- http://mail.python.org/mailman/listinfo/python-list

Re: Parsing a graph image

2011-05-13 Thread Bastian Ballmann
Hi, Am Fri, 13 May 2011 14:01:48 +0200 schrieb Ulrich Eckhardt : > I'm not sure I understand 100% what you want. If you want to extract > ("parse") the data that is contained in an image file, I have no clue > how to do that. Yes, I want to extract the data that is contained in an image file. G

Re: Parsing a graph image

2011-05-13 Thread Ulrich Eckhardt
Bastian Ballmann wrote: > I am searching for a library to parse data from a graph in an image file > something like http://pytseries.sourceforge.net/_images/yahoo.png > Any suggestions, hints, links? I'm not sure I understand 100% what you want. If you want to extract ("parse") the data that is c

Parsing a graph image

2011-05-13 Thread Bastian Ballmann
Hi python lovers out there, I am searching for a library to parse data from a graph in an image file something like http://pytseries.sourceforge.net/_images/yahoo.png Any suggestions, hints, links? TIA && have a nice day! :) Basti signature.asc Description: PGP signature -- http://mail.python