diff --git a/src/main/java/org/gcube/dataanalysis/ecoengine/evaluation/bioclimate/BioClimateAnalysis.java b/src/main/java/org/gcube/dataanalysis/ecoengine/evaluation/bioclimate/BioClimateAnalysis.java
index 093732d..26d0106 100644
--- a/src/main/java/org/gcube/dataanalysis/ecoengine/evaluation/bioclimate/BioClimateAnalysis.java
+++ b/src/main/java/org/gcube/dataanalysis/ecoengine/evaluation/bioclimate/BioClimateAnalysis.java
@@ -114,6 +114,10 @@ public class BioClimateAnalysis {
 	}
 
 	private void produceGraphs(String[] csquareTableNames, String[] hspecTableNames, float threshold) throws Exception {
+		
+		csquareTableNames = checkTableNames(csquareTableNames);
+		hspecTableNames = checkTableNames(hspecTableNames);
+		
 		producedImages = new HashMap<String,Image> ();
 		int numberOfTrends = highProbabilityCells.length;
 
@@ -186,6 +190,8 @@ public class BioClimateAnalysis {
 
 	private  String[] checkTableNames(String [] tablesNames){
 		ArrayList<String> newtables = new ArrayList<String>();
+		if ((tablesNames==null) || (tablesNames.length==0))
+			return tablesNames;
 		for (String table:tablesNames){
 			int i=1;
 			String originalTable = table;
diff --git a/src/main/java/org/gcube/dataanalysis/ecoengine/evaluation/bioclimate/InterpolateTables.java b/src/main/java/org/gcube/dataanalysis/ecoengine/evaluation/bioclimate/InterpolateTables.java
index f3e9226..d30d61e 100644
--- a/src/main/java/org/gcube/dataanalysis/ecoengine/evaluation/bioclimate/InterpolateTables.java
+++ b/src/main/java/org/gcube/dataanalysis/ecoengine/evaluation/bioclimate/InterpolateTables.java
@@ -273,7 +273,7 @@ public class InterpolateTables {
 		String databasePassword = "d4science2";
 		InterpolateTables interp = new InterpolateTables(configPath, persistencePath, databaseUrl, databaseUser, databasePassword);
 
-		interp.interpolate("hcaf_d", "hcaf_d_2050", 10, INTERPOLATIONFUNCTIONS.LINEAR, 2012, 2050);
+		interp.interpolate("hcaf_d", "hcaf_d_2050", 5, INTERPOLATIONFUNCTIONS.LINEAR, 2012, 2050);
 
 	}
 
diff --git a/src/main/java/org/gcube/dataanalysis/ecoengine/test/regressions/TestBioClimateAnalysis.java b/src/main/java/org/gcube/dataanalysis/ecoengine/test/regressions/TestBioClimateAnalysis.java
index 5a397b3..867339d 100644
--- a/src/main/java/org/gcube/dataanalysis/ecoengine/test/regressions/TestBioClimateAnalysis.java
+++ b/src/main/java/org/gcube/dataanalysis/ecoengine/test/regressions/TestBioClimateAnalysis.java
@@ -4,7 +4,7 @@ import org.gcube.dataanalysis.ecoengine.evaluation.bioclimate.BioClimateAnalysis
 
 public class TestBioClimateAnalysis {
 	
-	
+
 	public static void main(String args[]) throws Exception{
 		
 		String dburl = "jdbc:postgresql://node49.p.d4science.research-infrastructures.eu/aquamaps";
@@ -12,6 +12,61 @@ public class TestBioClimateAnalysis {
 		String dbPassword = "bilico1980";
 		
 		BioClimateAnalysis bioClimate=new BioClimateAnalysis("./cfg/","./",dburl, dbUser, dbPassword, true);
+
+		final String [] hcafTable = {
+		"hcaf_d",
+		"hcaf_d_2015_LINEAR_01338580273835",
+		"hcaf_d_2018_LINEAR_11338580276548",
+		"hcaf_d_2021_LINEAR_21338580279237",
+		"hcaf_d_2024_LINEAR_31338580282780",
+		"hcaf_d_2027_LINEAR_41338580283400",
+		"hcaf_d_2030_LINEAR_51338580284030",
+		"hcaf_d_2033_LINEAR_61338580284663",
+		"hcaf_d_2036_LINEAR_71338580285205",
+		"hcaf_d_2039_LINEAR_81338580285958",
+		"hcaf_d_2042_LINEAR_91338580286545",
+		"hcaf_d_2050"
+		};
+		
+		final String [] hcafTableNames = {
+				"test",
+				"test",
+				"test",
+				"test",
+				"test",
+				"test",
+				"test",
+				"test",
+				"test",
+				"test",
+				"test",
+				"test"
+				};
+		
+		
+		final String [] hspecTables = {
+				"hspec2012_06_01_14_28_21_588",
+				"hspec2012_05_31_17_41_13_631"
+				};
+				
+		final String [] hspecTableNames = {
+				"htest",
+				"htest",
+				};
+		
+//		bioClimate.hcafEvolutionAnalysis(hcafTable, hcafTableNames);
+//		bioClimate.globalEvolutionAnalysis(hcafTable, hspecTables, hcafTableNames, hspecTableNames, "probability", "csquare", 0.01f);
+		bioClimate.globalEvolutionAnalysis(null, hspecTables, null, hspecTableNames, "probability", "csquare", 0.01f);
+	}
+	
+	
+	public static void main1(String args[]) throws Exception{
+		
+		String dburl = "jdbc:postgresql://node49.p.d4science.research-infrastructures.eu/aquamaps";
+		String dbUser = "gcube";
+		String dbPassword = "bilico1980";
+		
+		BioClimateAnalysis bioClimate=new BioClimateAnalysis("./cfg/","./",dburl, dbUser, dbPassword, true);