Bug fixing in TLSVoxelisation.java. Was mutliplying vop, pop and sop matrixes in wrong order.

AMAPVox/AMAPVoxCore/src/main/java/fr/amap/lidar/amapvox/voxelisation/tls/TLSVoxelisation.java

@@ -57,22 +57,23 @@ public abstract class TLSVoxelisation extends AVoxTask {
         nbVoxelisationFinished = 0;
 
         // Transformation matrices
-        
         Matrix4d pop = (null == cfg.getPopMatrix())
                 ? MatrixUtility.identity4d()
                 : new Matrix4d(cfg.getPopMatrix());
-        
+
         Matrix4d vop = (null == cfg.getVopMatrix())
                 ? MatrixUtility.identity4d()
                 : new Matrix4d(cfg.getVopMatrix());
-
-        Matrix4d popvop = new Matrix4d();
-        popvop.mul(pop, vop);
-        transformation = new Matrix4d();
-        transformation.mul(pop, vop);
-        if (null != cfg.getSopMatrix()) {
-            transformation.mul(cfg.getSopMatrix());
-        }
+        
+        Matrix4d sop = (null == cfg.getSopMatrix())
+                ? MatrixUtility.identity4d()
+                : new Matrix4d(cfg.getSopMatrix());
+        
+        // multiply vop by pop
+        transformation = new Matrix4d(vop);
+        transformation.mul(pop);
+        // multiply voppop by sop
+        transformation.mul(sop);
 
         voxelAnalysis = new Voxelization(cfg);
     }