The same equations were used to generate this image as well. Â The only difference is the starting point. Â Instead of expanding from the center of the distortion field, the starting point is displaced a little bit towards the bottom. Â This highlights a number of different things. First while the equations areÂ symmetric, the resulting image is decidedly asymmetric. Â If you follow the lines to the right vs. the ones to the left, you can see that the paths have decidedly different curves.