2.2.2 Normalization Transformation

NumRu::DCL.sgsvpt(vxmin,vxmax,vymin,vymax) Sets a viewport
NumRu::DCL.sgswnd(uxmin,uxmax,uymin,uymax) Sets a window
NumRu::DCL.sgssim(simfac,vxoff,vyoff) Sets a similar transformation
NumRu::DCL.sgsmpl(plx,ply,plrot) Sets a pole for map projection
NumRu::DCL.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.