surface property
Returns the color index value for a surface depending on the ZetaContrast value.
For both ZetaContrast.aa and ZetaContrast.aaa, it returns 10.
Implementation
int get surface {
switch (this) {
case ZetaContrast.aa:
return 10;
case ZetaContrast.aaa:
return 10;
}
}