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library path:	D:\projects\sextante\workspaces\gvsig_1_11\_fwAndami\gvSIG\extensiones\es.unex.sextante\saga\modules
library name:	imagery_tools
module name :	Vegetation Index[slope based]
author      :	Copyrights (c) 2004 by Victor Olaya
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go...
Usage: 1 -NIR <str> -RED <str> -NDVI <str> [-RATIO <str>] [-TVI <str>] [-CTVI <str>] [-TTVI <str>] [-NRATIO <str>]
  -NIR:<str>   	Near Infrared Band
	Grid (input)
  -RED:<str>   	Red Band
	Grid (input)
  -NDVI:<str>  	Normalized Difference Vegetation Index
	Grid (output)
  -RATIO:<str> 	Ratio Vegetation Index
	Grid (optional output)
  -TVI:<str>   	Transformed Vegetation Index
	Grid (optional output)
  -CTVI:<str>  	Corrected Transformed Vegetation Index
	Grid (optional output)
  -TTVI:<str>  	Thiam's Transformed Vegetation Index
	Grid (optional output)
  -NRATIO:<str>	Normalized Ratio Vegetation Index
	Grid (optional output)
