diff --git a/App/src/IsGISAXSTools.cpp b/App/src/IsGISAXSTools.cpp
index 372f84facd64d2ef04dbcf5a6b335e549d05f8bd..e3deda6484807bfd77c7dfa5d3b35bf440a8dd2b 100644
--- a/App/src/IsGISAXSTools.cpp
+++ b/App/src/IsGISAXSTools.cpp
@@ -692,12 +692,12 @@ void IsGISAXSTools::drawOutputDataComparisonResults(
     if(hasMinimum()) IsGISAXSTools::setMinimum(hmin);
     //if(hmax>0) IsGISAXSTools::setMaximum(hmax);
     if(hasMaximum()) IsGISAXSTools::setMaximum(hmax);
-    IsGISAXSTools::drawOutputDataInPad(data, "CONT4 Z", "this");
+    IsGISAXSTools::drawOutputDataInPad(data, "CONT4 Z", "data");
 
     // isgisaxs data
     c1->cd(2); gPad->SetLogz();
     gPad->SetRightMargin(0.12);
-    IsGISAXSTools::drawOutputDataInPad(reference, "CONT4 Z", "isgi");
+    IsGISAXSTools::drawOutputDataInPad(reference, "CONT4 Z", "reference");
 
     // difference
     c1->cd(3);
diff --git a/App/src/TestFunctionalTests.cpp b/App/src/TestFunctionalTests.cpp
index 1654bedaa371a6a46e190be17cb0c9aabdcd660f..75a5435e08a01b23e827fd7572f744fe32ec9c8b 100644
--- a/App/src/TestFunctionalTests.cpp
+++ b/App/src/TestFunctionalTests.cpp
@@ -1,6 +1,7 @@
 #include "TestFunctionalTests.h"
 #include "ProgramOptions.h"
 #include "IsGISAXSTools.h"
+#include "OutputDataFunctions.h"
 #include <iostream>
 #include <vector>
 #include <string>
@@ -13,6 +14,17 @@ void TestFunctionalTests::execute()
     for(size_t i=0; i<m_testNames.size(); ++i) {
         FunctionalTest_t test = m_testRegistry.getTest(m_testNames[i]);
         test->runTest();
+        test->analyseResults();
+
+        double diff = OutputDataFunctions::GetDifference(*test->getResult(), *test->getReference());
+        std::cout << "XXX " << diff << std::endl;
+
+        for(size_t j=0; j<test->getResult()->getAllocatedSize(); ++j) {
+            std::cout << "AAA " << j << " " << (*test->getResult())[j]
+                         << " " << (*test->getReference())[j]
+                         << " diff:" << ((*test->getResult())[j] - (*test->getReference())[j])/(*test->getReference())[j]
+                            << std::endl;
+        }
 
         IsGISAXSTools::drawOutputDataComparisonResults( *test->getResult(),
             *test->getReference(), test->getName(), test->getDescription());