Updated TerrainGridTest: removed the original fractal code, as it is not used for this test anymore

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7646 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/test/jme3test/terrain/TerrainGridTest.java

@@ -51,11 +51,6 @@ public class TerrainGridTest extends SimpleApplication {
         app.start();
     }
     private CharacterControl player3;
-    private FractalSum base;
-    private PerturbFilter perturb;
-    private OptimizedErode therm;
-    private SmoothFilter smooth;
-    private IterativeFilter iterate;
 
     @Override
     public void simpleInitApp() {
@@ -106,41 +101,6 @@ public class TerrainGridTest extends SimpleApplication {
 
         this.mat_terrain.setFloat("terrainSize", 513);
 
-        this.base = new FractalSum();
-        this.base.setRoughness(0.7f);
-        this.base.setFrequency(1.0f);
-        this.base.setAmplitude(1.0f);
-        this.base.setLacunarity(2.12f);
-        this.base.setOctaves(8);
-        this.base.setScale(0.02125f);
-        this.base.addModulator(new NoiseModulator() {
-            @Override
-            public float value(float... in) {
-                return ShaderUtils.clamp(in[0] * 0.5f + 0.5f, 0, 1);
-            }
-        });
-
-        FilteredBasis ground = new FilteredBasis(this.base);
-
-        this.perturb = new PerturbFilter();
-        this.perturb.setMagnitude(0.119f);
-
-        this.therm = new OptimizedErode();
-        this.therm.setRadius(5);
-        this.therm.setTalus(0.011f);
-
-        this.smooth = new SmoothFilter();
-        this.smooth.setRadius(1);
-        this.smooth.setEffect(0.7f);
-
-        this.iterate = new IterativeFilter();
-        this.iterate.addPreFilter(this.perturb);
-        this.iterate.addPostFilter(this.smooth);
-        this.iterate.setFilter(this.therm);
-        this.iterate.setIterations(1);
-
-        ground.addPreFilter(this.iterate);
-
         this.terrain = new TerrainGrid("terrain", 65, 1025, new ImageBasedHeightMapGrid(assetManager, new Namer() {
             public String getName(int x, int y) {
                 return "Scenes/TerrainMountains/mountains_" + (x * 512) + "_" + (y * 512) + ".png";