--- a/artifacts/src/main/java/org/dive4elements/river/exports/minfo/BedDifferenceExporter.java	Fri Mar 27 18:54:03 2015 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/minfo/BedDifferenceExporter.java	Fri Mar 27 18:59:27 2015 +0100
@@ -17,6 +17,7 @@
 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Date;
+import java.util.Collections;
 import java.text.DateFormat;
 
 import org.apache.log4j.Logger;
@@ -87,57 +88,57 @@
         results = new BedDifferencesResult[0];
     }
 
+    protected List<String[]> data2StringArrays() {
+        NumberFormat kmf = Formatter.getCalculationKm(context.getMeta());
+        NumberFormat mf = Formatter.getMeterFormat(context);
+        D4EArtifact arti = (D4EArtifact) master;
+        RangeAccess access = new RangeAccess(arti);
+
+        List<String[]> retval = new ArrayList<String[]>();
+
+        for (BedDifferencesResult result : results) {
+            BedDiffYearResult yResult = (BedDiffYearResult) result;
+            String desc = result.getDiffDescription();
+            double[][] kms = yResult.getDifferencesData();
+            double[][] sounding1 = yResult.getSoundingWidth1Data();
+            double[][] sounding2 = yResult.getSoundingWidth2Data();
+            double[][] gap1 = yResult.getDataGap1Data();
+            double[][] gap2 = yResult.getDataGap2Data();
+
+            for (int j = 0; j < kms[0].length; j++) {
+                String sound1 = !Double.isNaN(sounding1[1][j])
+                    ? mf.format(sounding1[1][j])
+                    : "";
+                String sound2 = !Double.isNaN(sounding2[1][j])
+                    ? mf.format(sounding2[1][j])
+                    : "";
+                String g1 = !Double.isNaN(gap1[1][j])
+                    ? mf.format(gap1[1][j])
+                    : "";
+                String g2 = !Double.isNaN(gap2[1][j])
+                    ? mf.format(gap2[1][j])
+                    : "";
+                retval.add(new String[] {
+                    kmf.format(kms[0][j]),
+                    desc,
+                    mf.format(kms[1][j]),
+                    sound1,
+                    sound2,
+                    g1,
+                    g2
+                    });
+            }
+        }
+       if (access.getFrom() > access.getTo()) {
+           Collections.reverse(retval);
+       }
+       return retval;
+    }
     @Override
     protected void writeCSVData(CSVWriter writer) throws IOException {
         writeCSVHeader(writer);
 
-        NumberFormat kmf = Formatter.getCalculationKm(context.getMeta());
-        NumberFormat mf = Formatter.getMeterFormat(context);
-        for (BedDifferencesResult result : results) {
-            if (result instanceof BedDiffYearResult) {
-                BedDiffYearResult yResult = (BedDiffYearResult) result;
-                String desc = result.getDiffDescription();
-                double[][] kms = yResult.getDifferencesData();
-                double[][] sounding1 = yResult.getSoundingWidth1Data();
-                double[][] sounding2 = yResult.getSoundingWidth2Data();
-                double[][] gap1 = yResult.getDataGap1Data();
-                double[][] gap2 = yResult.getDataGap2Data();
-                for (int j = 0; j < kms[0].length; j++) {
-                    String sound1 = !Double.isNaN(sounding1[1][j])
-                        ? mf.format(sounding1[1][j])
-                        : "";
-                    String sound2 = !Double.isNaN(sounding2[1][j])
-                        ? mf.format(sounding2[1][j])
-                        : "";
-                    String g1 = !Double.isNaN(gap1[1][j])
-                        ? mf.format(gap1[1][j])
-                        : "";
-                    String g2 = !Double.isNaN(gap2[1][j])
-                        ? mf.format(gap2[1][j])
-                        : "";
-                    writer.writeNext(new String[] {
-                        kmf.format(kms[0][j]),
-                        desc,
-                        mf.format(kms[1][j]),
-                        sound1,
-                        sound2,
-                        g1,
-                        g2
-                        });
-                }
-            }
-            else {
-                double[][] kms = result.getDifferencesData();
-                String desc = result.getDiffDescription();
-                for (int j = 0; j < kms[0].length; j++) {
-                    writer.writeNext(new String[] {
-                        kmf.format(kms[0][j]),
-                        desc,
-                        mf.format(kms[1][j]),
-                        });
-                }
-            }
-        }
+        writer.writeAll(data2StringArrays());
     }
 
     @Override
@@ -216,27 +217,8 @@
         BedDifferenceJRDataSource source = new BedDifferenceJRDataSource();
 
         addMetaData(source);
-        NumberFormat kmf = Formatter.getCalculationKm(context.getMeta());
-        NumberFormat mf = Formatter.getMeterFormat(context);
-        for (BedDifferencesResult result: results) {
-            BedDiffYearResult yResult = (BedDiffYearResult) result;
-            double[][] kms = result.getDifferencesData();
-            String desc = result.getDiffDescription();
-            double[][] sounding1 = yResult.getSoundingWidth1Data();
-            double[][] sounding2 = yResult.getSoundingWidth2Data();
-            double[][] gap1 = yResult.getDataGap1Data();
-            double[][] gap2 = yResult.getDataGap2Data();
-            for (int j = 0; j < kms[0].length; j++) {
-                source.addData(new String[] {
-                    kmf.format(kms[0][j]),
-                    desc,
-                    mf.format(kms[1][j]),
-                    mf.format(sounding1[1][j]),
-                    mf.format(sounding2[1][j]),
-                    mf.format(gap1[1][j]),
-                    mf.format(gap2[1][j])
-                    });
-            }
+        for (String[] str: data2StringArrays()) {
+            source.addData(str);
         }
         return source;
     }