DCL:GRPH1:SGPACK: User Interface:List of Subroutines
SGSVPT(VXMIN,VXMAX,VYMIN,VYMAX) Sets a viewport SGSWND(UXMIN,UXMAX,UYMIN,UYMAX) Sets a window SGSSIM(SIMFAC,VXOFF,VYOFF) Sets a similar transformation SGSMPL(PLX,PLY,PLROT) Sets a pole for map projection SGSTRN(ITR) Setting by number of transformation function SGSTRF Makes an transformation function effective
Other inquire routines for parameters are SGQVPT, SGQWND, SGQSIM, SGQMPL, and SGQTRN.