[CHANGE] removed the half voxel offset

src/graphicsEngine/algorithms/WMarchingLegoAlgorithm.cpp

@@ -399,9 +399,9 @@ boost::shared_ptr<WTriangleMesh> WMarchingLegoAlgorithm::genSurfaceOneValue( siz
         resultPos4D[3] = m_matrix( 3, 0 ) * pos[0] + m_matrix( 3, 1 ) * pos[1] + m_matrix( 3, 2 ) * pos[2] + m_matrix( 3, 3 ) * 1;
 
         ( *mapIterator ).second.newID = nextID;
-        triMesh->addVertex( resultPos4D[0] / resultPos4D[3] - 0.5,
-                            resultPos4D[1] / resultPos4D[3] - 0.5,
-                            resultPos4D[2] / resultPos4D[3] - 0.5 );
+        triMesh->addVertex( resultPos4D[0] / resultPos4D[3],
+                            resultPos4D[1] / resultPos4D[3],
+                            resultPos4D[2] / resultPos4D[3] );
         triMesh->addTextureCoordinate( texCoord );
         nextID++;
         mapIterator++;

src/graphicsEngine/algorithms/WMarchingLegoAlgorithm.h

@@ -253,9 +253,9 @@ template<typename T> boost::shared_ptr<WTriangleMesh> WMarchingLegoAlgorithm::ge
         resultPos4D[3] = m_matrix( 3, 0 ) * pos[0] + m_matrix( 3, 1 ) * pos[1] + m_matrix( 3, 2 ) * pos[2] + m_matrix( 3, 3 ) * 1;
 
         ( *mapIterator ).second.newID = nextID;
-        triMesh->addVertex( resultPos4D[0] / resultPos4D[3] - 0.5,
-                            resultPos4D[1] / resultPos4D[3] - 0.5,
-                            resultPos4D[2] / resultPos4D[3] - 0.5 );
+        triMesh->addVertex( resultPos4D[0] / resultPos4D[3],
+                            resultPos4D[1] / resultPos4D[3],
+                            resultPos4D[2] / resultPos4D[3] );
         triMesh->addTextureCoordinate( texCoord );
         nextID++;
         mapIterator++;