[ExtractNDVI]
 Title = Normalized Difference Vegetation Index. 
 Abstract = Create raster file containing the Normalized Difference Vegetation Index. 
 Profile = urn:ogc:wps:1.0.0:buffer
 processVersion = 2
 storeSupported = true
 statusSupported = true
 serviceProvider = ndvi
 serviceType = Python
 <MetaData>
   title = Demo
 </MetaData>
 <DataInputs>
  [raster]
   Title = The raster file to be used
   Abstract = URI to a raster file that contains the mentionned two bands.
   minOccurs = 1
   maxOccurs = 1
   <ComplexData>
    <Default>
     mimeType = image/tiff
    </Default>
   </ComplexData>
  [red]
   Title = The red band number
   Abstract = The RED band number to use.
   minOccurs = 0
   maxOccurs = 1
   <LiteralData>
    DataType = int
    <Default>
     value = 1
    </Default>
   </LiteralData>
  [nir]
   Title = The NIR band number
   Abstract = The NIR band number to use.
   minOccurs = 0
   maxOccurs = 1
   <LiteralData>
    DataType = int
    <Default>
     value = 2
    </Default>
   </LiteralData>
 </DataInputs>
 <DataOutputs>
  [raster]
   Title = The resulting raster
   Abstract = A single band raster containing the NDVI of the original raster using formula : (NIR - RED) / (NIR + RED) .
   <ComplexData>
    <Default>
     mimeType = image/tiff
     extension = tif
    </Default>
   </ComplexData>
 </DataOutputs>