Synopsis
		sfcontour < in.rsf c= min1=o1 min2=o2 max1=o1+(n1-1)*d1 max2=o2+(n2-1)*d2 nc=50 dc= c0= transp=y minval= maxval= allpos=y cfile= barlabel= > plot.vpl

Run "sfdoc stdplot" for more parameters.

Parameters
		bool allpos=y [y/n] contour positive values only   string barlabel=   floats c= [nc]   float c0= first contour   string cfile= contours in a file   float dc= contour increment   float max1=o1+(n1-1)*d1   float max2=o2+(n2-1)*d2 data window to plot   float maxval= maximum value for scalebar (default is the data maximum)   float min1=o1   float min2=o2   float minval= minimum value for scalebar (default is the data minimum)   int nc=50 number of contours   bool transp=y [y/n] if y, transpose the axes

Used In
		GEE          iin/chevron   GEO384W          hw1/simple hw2/sigsbee hw2/eikonal hw3/image hw4/times   JSG          group/emarm group/ell pwc/beic shape/rain shape/smoo shape/beivc   RSF          rsf/rsftour   SEP          cdstep/inter findif/laplace fmeiko/fmarch fmsec/cvel fmsec/marm mett/mtime vc2/sigvc