John Salerno schrieb: > I might be way off target even looking into this method for what I need > to do, but I'm still a little confused about the description of it: > > crop > im.crop(box) => image > > Returns a rectangular region from the current image. The box is a > 4-tuple defining the left, upper, right, and lower pixel coordinate. > > I'm probably just being a little dense again, but how exactly do you > write the tuple? Wouldn't a coordinates parameter be a tuple of tuples? > It sounds like here you only need four numbers, but I don't understand > what 'left, upper, right, and lower pixel coordinate' means. It doesn't > seem like it's asking for a set of coordinates for each corner of the > box, or for a set at all. How do four separate numbers make up coordinates?
You can think of a rect as two coordinates - e.g. (10, 20), (30, 100) Alternatively you can see it as boundary lines, in the order left, top, right, bottom. (10, 20, 30, 100) The latter is what you need. Diez -- http://mail.python.org/mailman/listinfo/python-list