J. J. Young wrote: > > The polygon is a straight-sided irregular shape described by x,y > coordinates, with top left of the image as 0,0. So, each set of > coords consists of a pair: first figure = number of pixels horizontally > from the left side of the image <comma> second figure = number of > pixels vertically down from the top of the image. I was going to ask a question here but my first draft answered it. So instead I'll ask if my guesses are correct. <G> The top left you refer to is SCREEN top left, not polygon ? Since the co-ords appear to be absolute, you can pick ANY random vertex as the starting point yes/no ? And now a question: Does it matter in which direction you proceed ? I can image a rule system where listing vertices in clockwise order for say, a 5 pointed star, would produce the star, and listing in the other direction would produce a HOLE for a star. Actually, since this makes it describe more possibilities, this rule system should be prefereable IMO. ?-) - Clarence Verge -- - Help stamp out FATWARE. As a start visit: http://home.arachne.cz/ --
