At 10:41 27/6/00 -0500, Frazer Williams <pfw@xxxxxxxxxxx> wrote: >Hi, > > 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... Ian
