# Cracks

Cracks simulates the fault lines, cracks, erosion or fissures that one might see in an aged solid stone surface. Cracks works great with text and other objects alone in layers.

## Using Cracks

Cracks is best used on objects in layers. For the best results, do not apply to entire images.

1. Using a selection tool, preferably the lasso, make a selection around the object or text that you want to crack.
2. Run the Cracks filter.
3. Tweak the controls to taste.
4. Click OK.
5. Enjoy.

## Control Descriptions

### Crack Length

Controls the length of the cracks. Larger values produce longer cracks.

### Crack Spacing

Controls the average distance between cracks in your selection. Lower values reduce the amount of space between cracks, thus increasing the density.

### Crack Width

Larger values make the cracks wider.

### Crack Depth

Larger values make the cracks appear deeper.

### Edge Roughness

Controls the roughness of the outer edges of the cracks; higher values yield a rougher, more eroded look.

### Light Direction

Controls the direction from which the light falls on your selection. Click and drag within the lighting control box to change the direction, or enter a numerical value between 0 and 360 degrees.

### Random Seed

Controls the random element in the creation of this effect. Minor changes in the Random Seed setting can produce dramatic changes in your image; we encourage you to experiment with this control until you find the effects you like best. You can then precisely duplicate the effect by saving the Random Seed setting.