The Dots texture produces an array of raised dots or hemisphere shapes to be added to the relief.  These can be produced as a regular array or distorted to produce other effects.

Parameters :

Position : Position of the texture.

Scale : The texture is scaled by this value.  Use these parameters to scale or stretch the texture in one or more directions.

Spacing : The spacing of the grid that the dots are placed on.

Dot Radius : Radius of each dot.

Tangent Angle : The tangent angle at the edge of the dot. Tangent angle of 0 will make flat dots, tangent angle of 90 will make hemisphere dots.

Jitter : Noise applied to the dots.  Jitter value of 0 will not distort the dots.  Higher values for Jitter distort the dots more and more.

Twist : This parameter represents how "tightly wound" the Jitter is.  Higher values here make the Jitter "grittier".

Meander : This is a second noise that is applied to the dot matrix.  This is designed to push and pull the dot matrix on a larger scale.  Used with Meander Size to produce effect.

Meander Size : This is the scale of the Meander.  Larger values here cause the effect to be applied to the dots on a larger scale or area.

Notes : Without Jitter and Meander the effect here is simply raised dots.  Use the Jitter, Twist, Meander and Meander Size to produce surpising and unexpected effects.