On 11/17/05, Ben Bush <[EMAIL PROTECTED]> wrote: > Tkinter's coordinates setting are: the left upper corner is the smallest X > and Y, which is different from our usual think that Y is largest in that > location. If i draw some lines on the canvas and show some relationship > among them, do I need transfer the coordinates?
Transfer the coordinates of what? When you go from the standard right-handed system to the system used in computer graphics, you use these simple formulas: max_x, max_y = image size screen_x = original_x screen_y = max_y - original_y - 1 HTH -- Steve Juranich Tucson, AZ USA -- http://mail.python.org/mailman/listinfo/python-list
