| 
            plscmap1n
          ( | ncol1 ); | 
Set number of colors in cmap1, (re-)allocate cmap1, and set default values if this is the first allocation (see the section called “Color Map1”).
      Redacted form: plscmap1n(ncol1)
    
This function is used in examples 8, 11, 20, and 21.