Spectral Synthesis plugin is broken down into two major pieces:
  1. Settings
  2. Presets.

The "Settings" piece allows you to modify all of the generation paramters needed to create a heightfield, and is itself, divided into three segments:

Settings

1) Seed and Scale

  • Seed is used to feed the random number generator. You can either have this "Auto" generated or input it manually so as to re-create the same heightfield over and over again.
  • Scale is a factor that is applied to each height value as it is being generated.

2) Grid Size

  • The plugin requires that the heightfield be a perfect sqaure, and that its dimensions are a power of two. Therefore, the plugin implements a selection of grid sizes. Note: Anything over 1024x1024 would require massive amounts of memory.

3) Generation parameters

  • These settings are what actually control the heightfield formation. Rather than explain what each one is, it is better felt that one experiments with them to see what each setting does. Note: The presets are a good source to see which settings yield specific land formations. See below...

The second piece to this plugin is the "Preset Samples" section.

Preset Samples

This section contains selectable items that pre-populate the "Settings" pieces. However, it is still necessary to push the "Update Current Heightfield" or "Create New Heightfield" button in order for the settings to be applied. Each preset manipulates most if not all of the settings so that the generated heightfield represents the respective preset theme.

There are plans to support the ability to define your own presets, as well as allow you to save and restore them. Even perhaps, a grouping mechanism to group your themes, could be possible.

Simply click on each preset and take notice of which settings change, and what they're changed to.

For an example of a Lunar preset, click this icon... Spectral Synthesis example

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Spectral Synthesis Settings Panel