Gravel

Random Seed:
The random seed determines the random values of other parameters that use randomness in this filter.

Quantity: 0-1
Change the amount of gravel spread across the material.

Primary Color: color select
Select the base color of the gravel stones

Secondary Color: color select
Select the secondary color of the gravel stones

Bottom Material Color Match: 0-1
Adjust how much the gravel color is impacted by the color of the underlying material

Enable Cavity Mask: toggle
When enabled, the gravel will fill cavities and not be spread on higher parts of the material. This can result in a more realistic scattering of gravel.

Scattering Volume Threshold: 0-50
Adjust the volume of scattering based on height values

Random Masking: 0-1
Set the percentage of gravel to randomly mask out

Stone Size: 1-10
Control the size of the stones

Stone Size Variation: 0-1
Control the randomness of the stone size

Stone Roundness: 0-1
Make stones rounder or more angular

Stone Roughness: 0-1
Modify the roughness value of the stones

Stone Height: 0-1
Modify the height of the stones. This impacts how the stones blend with the underlying material.

Stone Elevation: 0-1Modify the base elevation of the stones. Elevation sets the floor of where the stones lie, while height sets the height of the stones off the floor.

Stone Elevation Random: 0-1
Add a random value to the elevation of each stone.

Surface Smoothness: 0-1
Smooth the tops of stones

Use Custom Mask: toggle
Enable or disable the use of a custom mask to paint stone locations. The following parameters will only be visible if Use Custom Mask is enabled.

• Mask Blur: 0-1
  Blur the edges of the painted mask
• Custom Mask: image/brush
  Click the brush to paint a custom mask where stones will appear. Click the square to import an image to use as a mask.