Complex pictures can be drawn with user defined subroutines and simple looping structures. The SURFACE utility allows hidden line surface plotting. The CONTOUR utility allows contour plots. Current device drivers support DECwindows, ReGIS, TEK4010, all PC graphics cards, VT100s, HP-Plotters, PostScript Printers, EPSON Printers and LaserJet Printers. CGLE runs on both VAXs and PCs giving an identical user interface on both platforms.
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