--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Parameters.java	Wed May 23 13:48:20 2012 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Parameters.java	Wed May 23 18:27:45 2012 +0000
@@ -77,5 +77,22 @@
     public void removeNaNs() {
         W.removeNaNs(columns);
     }
+
+    public int [] columnIndices(String [] columns) {
+        int [] indices = new int[columns.length];
+        for (int i = 0; i < columns.length; ++i) {
+            indices[i] = columnIndex(columns[i]);
+        }
+        return indices;
+    }
+
+    public void get(int row, int [] columnIndices, double [] values) {
+        for (int i = 0; i < columnIndices.length; ++i) {
+            int index = columnIndices[i];
+            values[i] = index >= 0 && index < columns.length
+                ? columns[index].getQuick(row)
+                : Double.NaN;
+        }
+    }
 }
 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :