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 PSWIGB - PostScript WIGgle-trace plot of f(x1,x2) via Bitmap		
 Best for many traces.  Use PSWIGP (Polygon version) for few traces.	

 pswigb n1= [optional parameters] <binaryfile >postscriptfile		

 Required Parameters:							
 n1                     number of samples in 1st (fast) dimension	

 Optional Parameters:							
 d1=1.0                 sampling interval in 1st dimension		
 f1=0.0                 first sample in 1st dimension			
 n2=all                 number of samples in 2nd (slow) dimension	
 d2=1.0                 sampling interval in 2nd dimension		
 f2=0.0                 first sample in 2nd dimension			
 x2=f2,f2+d2,...        array of sampled values in 2nd dimension	
 bias=0.0               data value corresponding to location along axis 2
 perc=100.0             percentile for determining clip		
 clip=(perc percentile) data values < bias+clip and > bias-clip are clipped
 xcur=1.0               wiggle excursion in traces corresponding to clip
 wt=1                   =0 for no wiggle-trace; =1 for wiggle-trace	
 va=1                   =0 for no variable-area; =1 for variable-area fill
                        =2 for variable area, solid/grey fill          
                        SHADING: 2<= va <=5  va=2 lightgrey, va=5 black", 
 nbpi=72                number of bits per inch at which to rasterize	
 verbose=1              =1 for info printed on stderr (0 for no info)	
 xbox=1.5               offset in inches of left side of axes box	
 ybox=1.5               offset in inches of bottom side of axes box	
 wbox=6.0               width in inches of axes box			
 hbox=8.0               height in inches of axes box			
 x1beg=x1min            value at which axis 1 begins			
 x1end=x1max            value at which axis 1 ends			
 d1num=0.0              numbered tic interval on axis 1 (0.0 for automatic)
 f1num=x1min            first numbered tic on axis 1 (used if d1num not 0.0)
 n1tic=1                number of tics per numbered tic on axis 1	
 grid1=none             grid lines on axis 1 - none, dot, dash, or solid
 label1=                label on axis 1				
 x2beg=x2min            value at which axis 2 begins			
 x2end=x2max            value at which axis 2 ends			
 d2num=0.0              numbered tic interval on axis 2 (0.0 for automatic)
 f2num=x2min            first numbered tic on axis 2 (used if d2num not 0.0)
 n2tic=1                number of tics per numbered tic on axis 2	
 grid2=none             grid lines on axis 2 - none, dot, dash, or solid
 label2=                label on axis 2				
 labelfont=Helvetica    font name for axes labels			
 labelsize=18           font size for axes labels			
 title=                 title of plot					
 titlefont=Helvetica-Bold font name for title				
 titlesize=24           font size for title				
 titlecolor=black       color of title					
 axescolor=black        color of axes					
 gridcolor=black        color of grid					
 axeswidth=1            width (in points) of axes			
 ticwidth=axeswidth     width (in points) of tic marks		
 gridwidth=axeswidth    width (in points) of grid lines		
 style=seismic          normal (axis 1 horizontal, axis 2 vertical) or	
                        seismic (axis 1 vertical, axis 2 horizontal)	
 interp=0		 no display interpolation			
			 =1 use 8 point sinc interpolation		
 curve=curve1,curve2,...  file(s) containing points to draw curve(s)   
 npair=n1,n2,n2,...            number(s) of pairs in each file         
 curvecolor=black,..    color of curve(s)                              
 curvewidth=axeswidth   width (in points) of curve(s)                  
 curvedash=0            solid curve(s), dash indices 1,...,11 produce  
                        curve(s) with various dash styles              

 Notes: 								
 The interp option may be useful for high nbpi values, however, it	
 tacitly assumes that the data are purely oscillatory.	Non-oscillatory	
 data will not be represented correctly when this option is set.	

 The curve file is an ascii file with the points specified as x1 x2	
 pairs, one pair to a line.  A "vector" of curve files and curve	
 colors may be specified as curvefile=file1,file2,etc. and 		
 curvecolor=color1,color2,etc, and the number of pairs of values in each
 file as npair=npair1,npair2,... .					

 All color specifications may also be made in X Window style Hex format
 example:   axescolor=#255