Output $y^+$

In order to output the value of $y^+$ in the cells adjacent to block faces, specify the following in the id-file:

### write additional output
0 1 0 0 0 0             ;louts lsurf ldebug lboundc llagr lvogd
### ascii output of surface data
0 0 0 0 0 0 0 1 0 0 0 0 0 0 0