+
+
+std::cout << "[0][0]==========" <<
+reader->GetOutput()->GetScalarComponentAsFloat(0,0,0,0) <<
+"===================="
+<< std::endl;
+std::cout << "[127][127]==========" <<
+reader->GetOutput()->GetScalarComponentAsFloat(0,127,0,0) <<
+"===================="
+<< std::endl;
+
+