Instant Terra uses color ramps to convey elevation. The colors can be added, edited, and deleted in the node parameters.
To add a Color Ramp node, right-click in the Graph Editor and select Create Node > Color > Create color Ramp.
Double click on the node to open its parameters:
Eight preset color ramps are available:
Click on a preset color ramp to apply it.
You can view the heights either as absolute values or heights relative to the minimum and maximum values. Select either:
To add color, right-click on the color ramp where you want to add the color and select either:
This option is only available in areas where there is no color.
To edit a color, right-click on the color ramp that you want to edit and select either:
To modify the absolute or relative height of a color, left click and hold the mouse button down on the color circle, and then move the mouse up or down to a reposition the circle position.
You can also click on the rectangle containing the value, enter a new value, and press the Enter key or click to validate the entry. This allows very precise editing of the values. Cancel by pressing the Escape key.
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If the value already exists,an error message appears.

To remove a color, right-click on the color ramp the you want to delete and select Remove. The color is removed from the color ramp.
| Parameter | Use |
|---|---|
|
Initializes the current color ramp from the colors defined in the predefined color ramp. |
| Absolute | In this mode, the different colors correspond to absolute heights, and you can specify the minimum and maximum heights. |
| Relative | In this mode, the different colors correspond to heights relative to the minimum and maximum heights. |
| Min value | In Absolute mode, the height corresponding to the first color at the bottom of the ramp. |
| Max value | In Absolute mode, the height corresponding to the last color at the top of the ramp. |
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