--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/math/HeightValue.java	Fri Sep 28 12:13:56 2012 +0200
@@ -0,0 +1,83 @@
+package de.intevation.gnv.math;
+
+import java.io.Serializable;
+
+import java.util.Comparator;
+
+/**
+ * An attributed height value. It holds a z value, a parameter value
+ * and a layer index.
+ *
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
+ */
+public class HeightValue
+implements   Serializable
+{
+    /**
+     * Comparator to sort <code>HeightValue</code>s by their z value
+     * in reversed order.
+     */
+    public static final Comparator INV_Z_COMPARATOR = new Comparator() {
+        public int compare(Object a, Object b) {
+            HeightValue ha = (HeightValue)a;
+            HeightValue hb = (HeightValue)b;
+            if (ha.z > hb.z) return -1;
+            if (ha.z < hb.z) return +1;
+            return 0;
+        }
+    };
+
+    /**
+     * The height value.
+     */
+    public double z;
+
+    /**
+     * The parameter value.
+     */
+    public double v;
+
+    /**
+     * The layer index;
+     */
+    public int    k;
+
+    /**
+     * Constructor to create a HeightValue with a given height,
+     * parameter value and layer index.
+     * @param z The height.
+     * @param v The parameter value.
+     * @param k The layer index.
+     */
+    public HeightValue(double z, double v, int k) {
+        this.z = z;
+        this.v = v;
+        this.k = k;
+    }
+
+    /**
+     * Return the height of this HeightValue.
+     * @return the height.
+     */
+    public double getZ() {
+        return z;
+    }
+
+    /**
+     * Return the parameter value of this HeightValue.
+     * @return The parameter value.
+     */
+    public double getV() {
+        return v;
+    }
+
+    /**
+     * Returns the layer index of this HeightValue.
+     * @return The layer index.
+     */
+    public double getK() {
+        return k;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :