DCL:GRPH1:SGPACK: User Interface :Explanation of Subroutines: Polymarker Primitives
Sets the line index of a marker drawn by sgpmu, sgpmv, and sgpmr.
NumRu::DCL.sgspmi(index)
index (I) The line index for drawing a marker (See Section 1.7. Initial value is 1.)
index = NumRu::DCL.sgqpmi().