3-D User Interface:Explanation of Subroutines:
Sets the line index for a marker drawn by scpmu and scpmv.
- Explanation of Parameters
||The line index for drawing a marker. (See Section 1.7.
Initial value is 1.)
- INDEX must be larger than 1. When INDEX is 0, a message is
printed, and no further steps are taken.
- The validity of INDEX is not checked in this routine.
It is checked when scpmu or scpmv is called.
- The current line index for the markers can be inquired with
index = NumRu::DCL.scqpmi().