Prequels (Shadow Overlay)
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Prequel overlays can be linked to the Shadow Overlay to initiate particular parts of the model with more accuracy and detail.
| Name | Prequel | Underlying data | Unit | Range | No data | Description |
|---|---|---|---|---|---|---|
| Building elevation | BUILDING_ELEVATION | Shadow Prequel | m (datum) | -10000 to 10000 | Clamped to range | Used for initializing the digital surface model used for this Shadow Overlay. |
| Foliage height | FOLIAGE_HEIGHT | Shadow Prequel | m | 0 to 100 | Clamped to range | Used for initializing the relative foliage heights. |
| Terrain elevation | TERRAIN_ELEVATION | Shadow Prequel | m (datum) | -10000 to 10000 | Clamped to range | Used for initializing the digital terrain model used for this Shadow Overlay. |