;
; COPYRIGHT:
;	XSH_Plotxy  belongs to SHADOWVUI package and it is distributed 
;	as an XOP extension.
;
;	PLEASE REFER TO THE XOP COPYRIGHT NOTICE. 
;
;       XOP WEB SITE:
;       http://www.esrf.eu/UsersAndScience/Experiments/TBS/SciSoft/xop2.3/
;
; CREDITS:
;	Published calculations made with SHADOW should refer:
;
;	 C. Welnak, G.J. Chen and F. Cerrina, 
;        "SHADOW: a synchrotron radiation X-ray Optics simulation tool",
;	 Nucl. Instr. and Meth. in Phys. Res. A347 91994) 344
;  
;        http://dx.doi.org/ 10.1016/0168-9002(94)91906-2  
;
;	or
;
;	 SHADOW WEB Page: http://www.nanotech.wisc.edu/shadow/
;
;
;	Published calculations made with SHADOWVUI/XOP should refer:
;
;	  M. Sanchez del Rio and R. J. Dejus 
;         "Status of XOP: an x-ray optics software toolkit"
;         SPIE Proceedings Vol. 5536 (2004) pp.171-174
;
;         http://dx.doi.org/10.1117/12.560903
;
;
; MODIFICATIONS: 
;
