diff --git a/src/org/gcube/dataanalysis/seadatanet/SeaDataNetConnector.java b/src/org/gcube/dataanalysis/seadatanet/SeaDataNetConnector.java
index db7cf88..5606838 100644
--- a/src/org/gcube/dataanalysis/seadatanet/SeaDataNetConnector.java
+++ b/src/org/gcube/dataanalysis/seadatanet/SeaDataNetConnector.java
@@ -19,9 +19,12 @@ import org.gcube.dataanalysis.ecoengine.datatypes.StatisticalType;
 import org.gcube.dataanalysis.ecoengine.datatypes.enumtypes.PrimitiveTypes;
 import org.gcube.dataanalysis.ecoengine.datatypes.enumtypes.TableTemplates;
 import org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm;
+import org.gcube.dataanalysis.ecoengine.utils.DatabaseFactory;
 import org.gcube.dataanalysis.ecoengine.utils.DatabaseUtils;
 import org.hibernate.SessionFactory;
 
+import weka.classifiers.trees.m5.Impurity;
+
 public class SeaDataNetConnector extends StandardLocalExternalAlgorithm {
 
 	LinkedHashMap<String, String> statResultMap = new LinkedHashMap<String, String>();
@@ -41,6 +44,7 @@ public class SeaDataNetConnector extends StandardLocalExternalAlgorithm {
 
 	File outputfile;
 	@Override
+	
 	protected void process() throws Exception {
 		String outpath = config.getPersistencePath();
 		File neofile = new File(outpath,"seadn_diva_"+UUID.randomUUID()+".nc");
@@ -80,7 +84,23 @@ public class SeaDataNetConnector extends StandardLocalExternalAlgorithm {
 		}
 		
 		dbconnection = DatabaseUtils.initDBSession(config);
+
+		String query = "select "+config.getParam("Longitude")+","+
+				config.getParam("Latitude")+","+config.getParam("Quantity")
+				+ " From " + getInputParameter("InputTable")+" ORDER BY RANDOM() limit 1000"; 
 		
+		AnalysisLogger.getLogger().debug("Query: "+query);
+		List<Object> dataList = DatabaseFactory.executeSQLQuery(query , dbconnection);
+		
+		
+		File fileForDiva= new File(outpath,"file_for_diva_"+UUID.randomUUID()+".txt");
+		BufferedWriter fileWriterDiva = new BufferedWriter(new FileWriter(fileForDiva));
+		AnalysisLogger.getLogger().debug("writing input file in: "+fileForDiva.getAbsolutePath() );
+		for(Object o :  dataList){
+			Object[] oarray = (Object[]) o;
+			fileWriterDiva.write(" "+oarray[0]+" "+oarray[1]+" "+oarray[2]+"\n");
+		}
+		fileWriterDiva.close();
 	}
 
 	
@@ -116,11 +136,11 @@ public class SeaDataNetConnector extends StandardLocalExternalAlgorithm {
 		
 		PrimitiveType p7 = new PrimitiveType(Double.class.getName(),
 				null, PrimitiveTypes.NUMBER, "LatitudeMinValue", 
-				"Minimum value of Latitude Range","-90");
+				"Minimum value of Latitude Range","-85");
 		
 		PrimitiveType p8 = new PrimitiveType(Double.class.getName(),
 				null, PrimitiveTypes.NUMBER, "LatitudeMaxValue", 
-				"Maximum value of Latitude Range","90");
+				"Maximum value of Latitude Range","85");
 		
 		PrimitiveType p9 = new PrimitiveType(Double.class.getName(),
 				null, PrimitiveTypes.NUMBER, "LatitudeResolution",
@@ -172,11 +192,13 @@ public class SeaDataNetConnector extends StandardLocalExternalAlgorithm {
 				"Output file in NetCDF format");
 		
 		
-		PrimitiveType p = new PrimitiveType(HashMap.class.getName(), 
-				PrimitiveType.stringMap2StatisticalMap(statResultMap), PrimitiveTypes.MAP,
-				"Statistical results","Statistical results from DIVA fit");
+		for (String key:statResultMap.keySet()){
+			   String value = statResultMap.get(key);
+			   PrimitiveType val = new PrimitiveType(String.class.getName(),value, 
+					   PrimitiveTypes.STRING, key, key);
+			   outputDivaMap.put(key, val); 
+			  }
 		
-		outputDivaMap.put("Statistical fit parameters", p);
 		outputDivaMap.put("Netcdf output file", file);
 		
 		PrimitiveType hashma = new PrimitiveType(HashMap.class.getName(), outputDivaMap 
diff --git a/src/org/gcube/dataanalysis/seadatanet/test/TestSeaDataNetConnector.java b/src/org/gcube/dataanalysis/seadatanet/test/TestSeaDataNetConnector.java
index 20829ad..6c33a28 100644
--- a/src/org/gcube/dataanalysis/seadatanet/test/TestSeaDataNetConnector.java
+++ b/src/org/gcube/dataanalysis/seadatanet/test/TestSeaDataNetConnector.java
@@ -48,7 +48,7 @@ public class TestSeaDataNetConnector {
 	 config.setParam("Latitude", "centerlat");
 	 config.setParam("Quantity", "landdist");
 	 
-	 config.setParam("LongitudeMinValue", "pippo");
+	 config.setParam("LongitudeMinValue", "76");
 	 config.setParam("LongitudeMaxValue", "78");
 	 config.setParam("LongitudeResolution", "1");