The *Scale* tab allows one to increase or
decrease the size of the tiles depending on the row and column
position. The following options are available to scale tiles:

*Scale X*,*Scale Y*: Scales each tile in terms of percentage. A random factor can be added.*Exponent*: Scale each tile with an exponential factor. The nominal scaling S becomes S^{exponent}.*Base*: Used to create a logarithmic spiral along with*Rotation*. The nominal scaling S becomes*base*^{S-1}unless*base*is one in which case scaling remains unchanged. Use a value less than one for a converging spiral and a value greater than one for a diverging spiral. A true logarithmic spiral would use a base of*e*= 2.718 (or 1/*e*= 0.368). See the*Tile Tricks*section for examples.*Alternate*: Alternate scaling up and scaling down tiles.*Cumulate*: Scaling is cumulative.

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