# 沙丘

## **概述**

沙丘滤镜向地形添加沙质沙丘。

## **参数**

<table><thead><tr><th width="199.7999267578125">属性</th><th>描述</th></tr></thead><tbody><tr><td><strong>缩放</strong></td><td>缩放沙丘图案的 x/y 尺寸。</td></tr><tr><td><strong>高度</strong></td><td>控制沙丘的高度。</td></tr><tr><td><strong>高度偏移</strong></td><td>将整个滤镜结果向上或向下移动。</td></tr><tr><td><strong>生成强度</strong></td><td>控制在风修改之前生成的基础沙丘的高度。</td></tr><tr><td><strong>倍频</strong></td><td>滤镜使用的沙丘噪声倍频数量。更高的倍频会产生更高的细节和更多的沙丘。</td></tr><tr><td><strong>推移</strong></td><td>控制沙丘脊峰被推向前方的距离。较高的数值会产生更明显、更尖锐的形状。</td></tr><tr><td><strong>收紧</strong></td><td>收紧沙丘的脊峰。</td></tr><tr><td><strong>线性度</strong></td><td>对各个沙丘应用随机旋转，产生较少平行的图像。</td></tr><tr><td><strong>方向</strong></td><td>允许你定向沙丘。</td></tr><tr><td><strong>风长</strong></td><td>控制风可以推动沙丘的距离。</td></tr><tr><td><strong>平滑</strong></td><td>平滑基础地形。</td></tr></tbody></table>

## **结果**

<div><figure><img src="/files/c6eb2c40f1bd8d95001d7332b29ca60111c11b66" alt=""><figcaption></figcaption></figure> <figure><img src="/files/316d6a52701da3a46f4aae2840835cea1ef8f8dc" alt=""><figcaption></figcaption></figure></div>


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