Application Of IFS Theory In Simulation Of Nature Scenery

Simulating nature scenery in computer is a basilic subject in the computer graphics research. The randomicity and scrambling of nature senery in formal is difficult to be described by traditional means. Since 1970 when B.Mandelbrot lodged the fractal concept, as a burgeoning cross subject, it's extensive attented by nonlinear academia. Fractal theory supplys the new concept and way to discuss impersonal rule and intrinsic contact of natural complicated things. In the simulation of the nature scenery, the fractal technique shows its single advantage and become hotspot of pursuers today.In computer plays, fractal technique is used to simulate great and complex play scenes, such as creation and displaying mountain, tree, smoke, cloud and so on. We all know that these scenes are different from each other in reality world. However, It is out of the question to create these scenes by art design. After using fractal theory, we can not only create different scenes easly but also create vivid hill, terrain, tree and so on.However, fractal picture is differ to normal picture, it can not render and create pictures animation in normal technique. In this paper, the author aim at a typical method. Iterated Function System (IFS), to discuss the means of drawing fractal picture and the single algorithm of fractal affine transformation. According as this theory, This paper talks over the means to receive IFS parameters of a tree, subdivision method of tree color. Creating the picture of blooming in a tree by the method of overlay many different fractal pictures. Displaying this picture in computer. Based on the static state fractal picture, by adjust IFS parameters, implement the tree's animation.