--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/QKmsImpl.java	Thu Apr 25 12:06:39 2013 +0200
@@ -0,0 +1,82 @@
+package org.dive4elements.river.artifacts.model;
+
+import gnu.trove.TDoubleArrayList;
+
+import org.dive4elements.river.utils.DoubleUtil;
+
+public class QKmsImpl
+extends      NamedObjectImpl
+implements   QKms
+{
+    protected TDoubleArrayList kms;
+    protected TDoubleArrayList qs;
+
+    public QKmsImpl() {
+        super("");
+        kms = new TDoubleArrayList();
+        qs  = new TDoubleArrayList();
+    }
+
+    public QKmsImpl(String name) {
+        super(name);
+        kms = new TDoubleArrayList();
+        qs  = new TDoubleArrayList();
+    }
+
+
+    public QKmsImpl(int capacity) {
+        super("");
+        kms = new TDoubleArrayList(capacity);
+        qs  = new TDoubleArrayList(capacity);
+    }
+
+
+    public QKmsImpl(TDoubleArrayList kms, TDoubleArrayList qs) {
+        this(kms, qs, "");
+    }
+
+    public QKmsImpl(
+        TDoubleArrayList kms,
+        TDoubleArrayList qs,
+        String           name
+    ) {
+        super(name);
+        this.kms = kms;
+        this.qs  = qs;
+    }
+
+    public void add(double km, double q) {
+        kms.add(km);
+        qs .add(q);
+    }
+
+    @Override
+    public double getQ(int index) {
+        return qs.getQuick(index);
+    }
+
+
+    @Override
+    public double getKm(int index) {
+        return kms.getQuick(index);
+    }
+
+    @Override
+    public int size() {
+        return kms.size();
+    }
+
+    @Override
+    public TDoubleArrayList allKms() {
+        return kms;
+    }
+
+    @Override
+    public TDoubleArrayList allQs() {
+        return qs;
+    }
+
+    public void removeNaNs() {
+        DoubleUtil.removeNaNs(new TDoubleArrayList [] { kms, qs });
+    }
+}