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by WebSysAdmin last modified 2006-09-25 10:34

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Here are textures created by ramp and sine functions. A nice ramp is created by the function mod(x,a)/a. This ramp function has a range of zero to one, as does (sin(x)+1)/2. In this picture, we assigned magenta to value of zero and yellow to the value one. Which of these teapot is using a sine function? How do you know?

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