diff --git a/src/main/java/fr/pasteur/ida/zellige/utils/StackProjection.java b/src/main/java/fr/pasteur/ida/zellige/utils/StackProjection.java
index 373a2bd749143bb4da63ceb476a0b888f35acf8e..cd78b4543e1b0ca920aff92268a9a0c3ac891d04 100644
--- a/src/main/java/fr/pasteur/ida/zellige/utils/StackProjection.java
+++ b/src/main/java/fr/pasteur/ida/zellige/utils/StackProjection.java
@@ -69,32 +69,6 @@ public class StackProjection
     }
 
 
-//    /**
-//     * @param interpolatedZMap - the interpolated 2D array height map of the reference surface.
-//     * @param sigma            - ste standard deviation of the gaussian filter.
-//     * @return a smoothed 2D array height map.
-//     */
-//    public static Double[][] smoothZMap( Double[][] interpolatedZMap, int sigma )
-//    {
-//        Img< DoubleType > zMapImg = zMapToZMapImg( interpolatedZMap );
-//        Img< DoubleType > smoothZmaP = smoothZMap( zMapImg, sigma );
-//        return ImgToZMap( smoothZmaP, interpolatedZMap );
-//    }
-
-    /**
-     * Performs a bi-dimensional gaussian blur.
-     *
-     * @param zMap  - the height map image.
-     * @param sigma - the standard deviation for the blur.
-     * @return - a filtered (smoothed) image.
-     */
-//    private static Img< DoubleType > smoothZMap( Img< DoubleType > zMap, int sigma )
-//    {
-//        Img< DoubleType > smoothZmaP = zMap.factory().create( zMap );
-//        Utils.gaussConvolution( zMap, smoothZmaP, new double[]{ sigma, sigma } );
-//        return smoothZmaP;
-//    }
-
 
     /**
      * @param stack