### 14.6. Perlin Noise

#### 14.6.1. 概観

This filter generates a noise texture using the Perlin Noise algorithm. Results don't depend on the image you opened.

Filter applied with default options: Alpha=1.200 Scale=1.800 Z offset=-1.000 Iterations=3

#### 14.6.2. Activating the Filter

This filter is found in the main menu under Filters → Render → Noise → Perlin Noise….

#### 14.6.3. オプション

図17.354 「Perlin Noise」 filter options

Presets, 「Input Type」, Clipping, Blending Options, プレビュー, Merge filter, Split view

  | 注記
  These options are described in 「Common Features」.

Alpha

  Low values give sharper noise

  図17.355 「Alpha 」 option examples

  Alpha = 0.300

  Alpha = 3.600

拡大縮小

  Scale of the noise function: works like a zoom.

Z offset

  Vary noise.

  図17.356 「Z offset」 option examples

  Z offset = -1000

  Z offset = 0.900

繰り返し

  The number of noise octaves.

  Iterations = 7

14.5. Cell Noise |  | 14.7. プラズマ...

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