I thought of this idea when I was in a train yesterday and today. An experiment to try to make realistic panning. This is rough demo just to show the idea: I used 3D transformation of two parts of picture between a line of horizon. If you have long panoramic images you can avoid these black strips on left and right sides. Also you can use more slow speed to show more delicate 3D effect. This effect can works great for certain types of landscapes. Probably you could create more impressi