hydra_colorscat.pro

usage: hydra_colorscat, X, Y, Z

keywords:  (defaults are in parenthesis)
     zrange=[min,max]   min and max of colorbar (min and max of data)	
     /zlog              log or linear colorbar 
     sigx=sigx          width of dots in data coordinates.
     sigy=sigy          height of dots in data coordinates.
     dx=dx, dy=dy       width and height in cells. (10) 
     /no_average        don't average overlapping dots 
     cellsize=cellsize  width and height of cells in pixels (1) (ps uses 72dpi)
     animate=stepsize   animate display and number of measurements in each step
     step=step          stop after each step
     
     all unrecognized keywords are passed on to plot, so that axis ranges,
       titles, etc may be specified.

example use:  
    x= randomn(s,1000)
    y= randomn(s,1000)
    z= sqrt( (x-1)^2 + (y-1)^2 )
    !x.omargin=[3,15] ; leave room on right of colorbar
    hydra_colorscat, X, Y, Z, zrange=[0,5], $
	sigx=0.2, sigy=0.2, $
	title='hydra_colorscat example', $	
	xrange=[-5,5], yrange=[-5,5]
    !x.omargin=[0,0]
    hydra_colorbar, zrange=[0,5]

curator: jbf
last modified: July 22, 1998
