Overlay plotting with svplot
, by Jon F. Claerbout
"Svplot" is a plotting utility that runs interactively under Sun Microsystem's "Sunview"
and allows hard and soft copy through SEP's traditional vplot utility. Svplot supports both
hard copy and interactive on-screen plotting of both vector and raster information. Further,
the vector and raster is handled in a coordinate-system-independent manner that should be
readily transportable to further systems. Svplot provides sv_XXXX routines that mimic
vplot's vp_XXXX routines except that the plot appears immediately on the Sun screeen and
later, on command, in a file for vplot hardcopy. Svplot consists of a header svplot.h and
four parts, a part svcoord.c for coordinate transformations, a vector library svlib.c, a
raster library svras.c, and an overlay management utility svover.c.