| Description | Generate a heightfield using Perlin noise. |
| Author | Aaron |
| Plugin | ZG_perlin |
| Name | Type | Default value | Description |
| hMap | hvar | N/A | A handle to the heightmap that is to be filled with Perlin noise. This map must already be initialised (e.g. using Map:CreateMap, Map:CreateMosaic, etc.) |
| FeatureScale | float | 0.5 | The pixel size of the largest noise octave relative to the output map width/height. Low values give bumpy terrain, and large values give 'continental' terrain. A value of ~0.5 is typical. |
| nOctaves | int | 6 | The number of noise octaves applied to the map. A low value gives smooth terrain, a large value gives rough terrain (but is slower to generate). |
| Persistence | float | 0.42 | The noise octave amplitude propagation coefficient. A value of ~0.5 is typical. Larger values give rougher terrain. |
| NoiseKey | int | [random] | A number used to seed the pseudorandom number generator used by the Perlin generator. |
| Name | Type | Description |
| hMap | hvar | A handle to the source map (handle is passed through from input to output). |
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