DCL:GRPH1:SGPACK: User Interface:Explanation of Subroutines: Text Primitives
Sets the character height of the text drawn by sgtxu, sgtxv, and sgtxr.
NumRu::DCL.sgstxs(rsize)
rsize (R) Specifies the character height in units of the VC. (Initial value is 0.05).
rsize = NumRu::DCL.sgqtxs().