Effect Mesh

Applies certain effects at intervals across the image.

Line Interval - The gap between the lines.

Line Factor - Variant line factor (used with certain effect control settings)

Effect Factor 1 - The effect factor, so if an emboss it will be the x direction for the emboss or perhaps a negative value (depends on the effects controls)

Effect Factor 2 - As above (not used in all cases)

Threshold - Uses the source and the threshold of the average of RGB to apply effect

Effects control - Direction of effect

Effects control 2 - Effect to be applied such as emboss or greyscale or inverse.

Effects control 3 - Variant lines

To Line Checkbox - Apply to the line or the bits in between.