The Dirt Filter is used to add dirt on top of a material according to spread parameters such as quantity, opacity, colors and more.


How to use it?

  • Add a Dirt Layer
  • Adjust the settings to get the desired effect

When to use it?

The Dirt Layer can be used to add dirt on top of a material according to the topology of the height. It can emphasize the volume of the material.


Dirt Quantity: Defines the quantity of the dirt
Spread Contrast: Defines the spread contrast of the dirt
Spread Contrast Variation: Add contrast variation to the spread. Permits to bring soft and sharp transition at the same time
Opacity: Defines the opacity of the dirt
Blur: Permits to smooth the area’s border of the spreaded dirt
Invert Spread Mask: Invert the spread mask

Color #1: Defines the dirt’s main color
Color #2: Defines the dirt’s secondary color
Blending Mode: Defines the way the color will be blended with the input material
Colors Position Balance: Adjust the quantity of color#2 over color#1
Constrast: Adjust the transition’s contrast between the dirt’s colors

Invert Colors Position: Swap color#1 with color#2

Display Dirt Mask: This very useful feature permits you to display the area where the dirt will be spread. Color#1 is displayed in Green, Color#2 is displayed in Purple. The black area are not affected by the Dirt