Combine Mode

       There are five options for this: Add，Subtract，Merge High and Merge Low, Replace.

       These determine how the subsequent relief is combined with the previous one, for instance whether it sits on top of the original shape or blends into it.

       When create relief or surface in ucancam, the default combine mode is Add.

       Command:

       Menu【Relief > Combine Mode】

      The five options and their specific effects are described on the following

      there are 2 reliefs: star and flat ball

      Add: to create a raised relief

      Subtract: to create new recessed reliefs

      Merge High: keep the highest

      Merge Low: keep the lowest

       Replace: new relief replace the previous