Supression des élément de normalisation de l'angle spectral.

Code/BasicFilters/otbSpectralAngleDistanceImageFilter.txx

@@ -89,10 +89,11 @@ SpectralAngleDistanceImageFilter<TInputImage,TOutputImage>
 	{
 	  dist = vcl_acos(scalarProd/vcl_sqrt(normProd));
 	}
+      //------ This part was supressed since the filter must perform only the spectral angle computation ---
       // Spectral angle normalisation
-      dist = dist/(M_PI/2);
-   //square ponderation
-   dist = vcl_sqrt(dist);
+      // dist = dist/(M_PI/2);
+      //square ponderation
+      // dist = vcl_sqrt(dist);
    outputIt.Set(static_cast<OutputPixelType>(dist));
     ++inputIt;
     ++outputIt;