----- file created by makedoc on: Thu Nov  5 15:14:58 2009
----- Documentation for /scisoft/xop2.3/extensions/shadowvui/src/lib/write_shadowsurface.pro -----


       NAME:
               WRITE_SHADOWSURFACE
       PURPOSE:
               This procedure writes a surface into a file with the 
               shadow format (as defined for PRESURFACE, see SHADOW's doc)

       CATEGORY:
               SHADOW tools

       CALLING SEQUENCE:
               write_shadowsurface,zz1,xx,yy,file=file

 	INPUTS:
		zz1: The mesh array with the surface elevation z(x,y)
		xx:  The array with the x points
		yy:  The array with the y points
	
 	KEYWORD PARAMETERS
		file: A string with the file name [default=presurface.dat]

	AUTHOR: 
		M. Sanchez del Rio srio@esrf.eu 
	
	MODIFICATION HISTORY:
		2009-09-29 written


