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So, I would like to make this texture to where I have the gradient going from top to bottom, instead of side to side like in the picture. After that, I would like to make the top half, lets just say, the purple, transparent. I am using cycles renderer in blender v2.76.

enter image description here enter image description here

Thanks in advance! Danny

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You need two things: texture coordinates and a way to control them. The Vector Mapping will allow you to place the gradient texture where you need it. Then you can use multiple color ramps to mix color and a transparent shader.

enter image description here

Blend File

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