At 10:41 27/6/00 -0500, Frazer Williams <[EMAIL PROTECTED]> wrote:
> I'm trying to write an "unplot" plugin. The idea is to load a graph
> image into the gimp (probably using a scanner), and then, using the mouse
> to click on points on the graph, write the x and y values of
> mouse-selected points to a file. Thus, if I had a graph of, say,
> voltage vs. current, I could digitize it manually using the plug-in,
> obtaining a file with voltages and currents.
An alternative hacky way to achieve the same results might be just add
(draw) a dot of a well-known colour that does not otherwise appear in the
image at each desired location, then post-process the image to extract the
data by searching for those dots...