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Think of tags as like a book index where you find words and which pages they are on, the same principle applies here. Although it's taken a stage further so it might not be the word, but the subject, so for example if you're looking for things to do with fractal gradients for example. A tag may bring back posts with gradient files, as well as posts that discuss gradients, or tutorials about them.

Posts tagged as variation

shapes group variation waveblur

Shapes

Variations that ignore the input and generate specific shapes. Often called “blurs” because they create a blur effect when used on the same transform with other variations.

half blurs group cannabiscurve variation sample

Half Blurs

Variations that generate specific shapes using polar coordinates. Unlike normal blurs, which ignore the input point, half blurs take the angle of the input point (theta) and compute a random distance (rho) within the shape. This allows some flexibility in coloring. They can be substituted for normal blurs in many flames; if it doesn’t work, try adding some pre_blur to the transform to generate random angles.

blurry group radial blur variation sample

Blurry

Variations that add different types of blurriness. Unlike blur transforms, they do not ignore their inputs or create shapes by themselves. Most are best used in conjunction with other variations on the same transform, although a few have an incorporated linear so this is not needed.