14.6. Perlin Noise
| 14. 下塗りフィルター |

### 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. フィルターの呼び出し方

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

#### 14.6.3. オプション

図17.328 「Perlin Noise」 filter options

Presets, Preview, Split view, Use selection as input

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

Alpha

  Low values give sharper noise

  図17.329 「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17.330 「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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