Thanks tomh, I figured that would be the case - it's just sad that this particular graph was given jumbo lines to make it !easier to read! and the source isn't available, but Engauge does a great approximation anyway. I should have said in the original post, it's on page 6 of this pdf: http://coast....

Hi, first post - sorry it's so dry, I downloaded Inkscape just to unravel lines on a pdf graph that were obscuring each other. But it's such a beautiful piece of software, I was wondering if there's a way to get the numbers used to create the vectors of a line on a graph without me touching it up wi...