--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/uinfo/vegetationzones/VegetationZonesCalculationResult.java	Thu Jun 28 15:57:40 2018 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/uinfo/vegetationzones/VegetationZonesCalculationResult.java	Fri Jun 29 14:52:54 2018 +0200
@@ -14,6 +14,8 @@
 
 import org.dive4elements.river.artifacts.common.AbstractCalculationExportableResult;
 import org.dive4elements.river.artifacts.common.ExportContextCSV;
+import org.dive4elements.river.artifacts.common.ExportContextPDF;
+import org.dive4elements.river.artifacts.common.IExportContext;
 import org.dive4elements.river.artifacts.common.MetaAndTableJRDataSource;
 import org.dive4elements.river.artifacts.common.ResultRow;
 import org.dive4elements.river.artifacts.sinfo.util.RiverInfo;
@@ -22,7 +24,7 @@
 /**
  * @author Domenico Nardi Tironi
  */
-final class VegetationZonesCalculationResult extends AbstractCalculationExportableResult<VegetationZonesCalculationResults> {
+final class VegetationZonesCalculationResult extends AbstractCalculationExportableResult {
     private static final long serialVersionUID = 1L;
 
     private static final String JASPER_FILE = "/jasper/templates/uinfo.vegetationzones.jrxml";
@@ -32,7 +34,7 @@
     }
 
     @Override
-    public void writeCSVHeader(final ExportContextCSV exportContextCSV, final VegetationZonesCalculationResults results, final RiverInfo river) {
+    public void writeCSVHeader(final ExportContextCSV exportContextCSV, final RiverInfo river) {
 
         final Collection<String> header = new ArrayList<>(11);
 
@@ -44,20 +46,20 @@
     }
 
     @Override
-    protected void writeCSVResultMetadata(final ExportContextCSV exportContextCSV, final VegetationZonesCalculationResults results) {
+    protected void writeCSVResultMetadata(final ExportContextCSV exportContextCSV) {
         // no metadata
 
     }
 
     @Override
-    protected String[] formatCSVRow(final ExportContextCSV exportContextCSV, final VegetationZonesCalculationResults results, final ResultRow row) {
-        return formatRow(exportContextCSV, results, row);
+    protected String[] formatCSVRow(final ExportContextCSV exportContextCSV, final ResultRow row) {
+        return formatRow(exportContextCSV, row);
     }
 
     @Override
-    protected String[] formatPDFRow(final ExportContextCSV exportContextPDF, final VegetationZonesCalculationResults results, final ResultRow row) {
+    protected String[] formatPDFRow(final ExportContextPDF exportContextPDF, final ResultRow row) {
 
-        return formatRow(exportContextPDF, results, row);
+        return formatRow(exportContextPDF, row);
     }
 
     @Override
@@ -67,8 +69,7 @@
     }
 
     @Override
-    protected void addJRTableHeader(final ExportContextCSV exportContextPDF, final MetaAndTableJRDataSource source,
-            final VegetationZonesCalculationResults results) {
+    protected void addJRTableHeader(final ExportContextPDF exportContextPDF, final MetaAndTableJRDataSource source) {
         /* additional column headings */
         exportContextPDF.addJRMetadata(source, "veg_name", UInfoResultType.vegname);
         exportContextPDF.addJRMetadata(source, "veg_dauervon", UInfoResultType.vegdauervon);
@@ -76,7 +77,7 @@
 
     }
 
-    protected String[] formatRow(final ExportContextCSV context, final VegetationZonesCalculationResults results, final ResultRow row) {
+    protected String[] formatRow(final IExportContext context, final ResultRow row) {
 
         final Collection<String> lines = new ArrayList<>(11);