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Re: get a table of coordinates from an image of a graph

  • To: mathgroup at smc.vnet.net
  • Subject: [mg112492] Re: get a table of coordinates from an image of a graph
  • From: "M.Roellig" <markus.roellig at googlemail.com>
  • Date: Fri, 17 Sep 2010 06:42:00 -0400 (EDT)
  • References: <i6q0jk$l41$1@smc.vnet.net>

On 15 Sep., 10:37, Peter Lindsay <p... at me.com> wrote:
> I don't know if this is even possible, but if it is then someone on this list will know:
>
> I have a jpg image with a "wobbly" line cartesian graph [ X-Y axes etc ].
>
> Is it possible by importing it, to get mathematica to "read" the graph and produce a table of coordinates ?
>
> Obviously the table could be scaled subsequently to produce desired results to match the original graph.
>
> Sorry if this is a daft question
>
> Peter Lindsay

Hi,

Take a look at the following post:

http://groups.google.com/group/comp.soft-sys.math.mathematica/browse_thread/thread/49a15c49ada8c1a8/0f75a441d3a8110d?lnk=gst&q=wildebeestz#0f75a441d3a8110d


Markus


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