This node modifies the terrain profile by changing the height of each input vertex vertices on a curve that define the terrain heights.
To add an Apply curve node, right click in the Graph Editor and select Create Node > Terrain Transformation > Apply curve.
Double click on the node to open its parameters:
By default, the Manual curve editing mode is activated.
Using the smallest cursor makes detailed changes to the heights; using a larger cursor makes changes to larger areas in the terrain.Small, medium, and large cursor to make changes to the terrain heights
When you move the mouse over the terrain, the height under the mouse is shown as green points on the curve.Green point in the curve represents the position of the mouse in the terrain.
Click on the Smooth button to smooth the heights of a curve. You can click several times to smooth more.Smoothed curve
Once you have edited your curve, you can switch from the Manual mode to the Point mode (like a Bezier curve) to add control points. The control points are displayed in increasing subdivisions of five, from 5 to 50 points. A higher number of control points gives you more control over the changes you make to the curve.
The Automatic point editing option is selected by default. This option does not use anchor points:
If you have not yet edited your curve in the Manual mode, you can click on the curve in the Point mode to add and edit points.
To delete a control point, right-click on it and select Delete this control point in the contextual menu.
Click on the Reset button to reset the curve to the default values.
Watch our Apply curve node video tutorial.
|Selection of the size of the cursor used to distort the curve.|
|Smooths the current curve|
|Resets to the default curve (no modification to the terrain)|
|Switches to the manual editing mode using brushes|
|Switches to the control point editing mode|
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