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Perlin Visualizer and Random Planet Maker See the actual applet in action here! Note that it may be a bit laggy with animation on. Especially over the net.  When I started my raytracer I began to look at perlin noise, a wonderful algorithm used by thousands of production companies and special effects crews. Perlin noise is basically a smooth pseudo-random function. Which basically means it gives you hills instead of skyscrapers. Most people really are not interested in me describing noise to them, so I instead wrote an application to visualize it. Voila! The perlin noise visualizer and planet maker! So heres the features of my fun little project. I only had a few days to write it, so dont judge: Features:
- Visualize Perlin noise in 2D and 3D.
- Can edit three different values to get endless varieties of noise. (Peturbation, Zoom, and Octaves)
- Six different variations of the noise function toplay with.
- Can rotate the noise in 2D and 3D by using a sphere.
- Animate the noise in real time.
- Make a bump map on the surface of thesphere to give it a planet like look.
- Can change the surface color.
- Supports two lights whose colors can be changed.
- Can save the image(s) as a .png .jpg or an animated .gif file.
- Can impress your friends with your awesome artistic ability.
Download the Executable JAR here for Windows and Linux
Download the Mac OS X APP here (zipped)
Screenshots:
Different types of noise: 
Different color lights and a Bump Map.  The 2D plane view of noise.  Marble settings and other tweaks for a fire texture. 
An image created by the Perlin Noise Visualizer: 
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