Adding a Painted mask node

With this node, you can paint mask directly in the 3D View and immediately see the results on the terrain. The Painted mask acts like all other masks, but you can edit it in real time as often as you want.

To add a Painted mask node, right click in the Graph Editor and select Create Node  > Mask Generation  > Painted mask.

Double click on the node to open its parameters:

Editing the mask size

To begin editing the mask, check the Edit mask box:

  • Mask size: The mask size is defined by the input mask. To change it, click Change Mask size.

In the dialog, edit the Width, Height, and Quad size of the mask.

  • You can keep the current mask or clear it by checking:
    • Clear mask to reset the mask to the default parameters when you change the size.
    • Keep content to preserve the mask content when you change the size.
  • Reset the mask by either clicking:
    • Set to black to clear the mask and fill it with zeroes
    • Set to white to clear the mask and fill it with ones

Painting the mask

With the Edit mask button activated, use the brush sliders to change the brush size, intensity, and fall-off and draw the mask directly in the 3D View. The mask is updated in real time.

  • Lighter allows you to draw the mask and Darker to erase the mask.
  • Use the Size slider to set the size of the brush depending on the level of detail that your mask needs.
  • Use the Intensity slider to set the intensity of the color of the brush.
  • Fall-off creates the appearance of translucency. Use the slider to set the attenuation of the intensity of color from the center. Increasing this value decreases the visibility of the fall-off level displays and vice versa for decreasing the value.

Video tutorial

Watch our Painted mask node video tutorial and see how the node works in a complex project.


Parameters

Parameter Use
Mask size See Part common to all generator nodes
Change mask size Changes the mask size and keeps the current mask or clears it.
Set to black Clears the mask and fill it with zeroes.
Set to white Clears the mask and fill it with ones.
Edit mask Check box to modify the brush parameters
Lighter Draws the mask
Darker Erases the mask
Size Sets the size of the brush
Intensity Sets the intensity of the brush color
Fall-off Sets the attenuation of the intensity of color from the center

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