DCL:GRPH1:SCPACK: 3-D User Interface:Explanation of Subroutines: Polymarker Primitives
Sets the line index for a marker drawn by scpmu and scpmv.
NumRu::DCL.scspmi(index)
index (I) The line index for drawing a marker. (See Section 1.7. Initial value is 1.)
index = NumRu::DCL.scqpmi().