--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/math/Metrics.java	Fri Sep 28 12:13:56 2012 +0200
@@ -0,0 +1,30 @@
+package de.intevation.gnv.math;
+
+import com.vividsolutions.jts.geom.Coordinate;
+
+/**
+ * Implementations provides the ability to calculate the distance between
+ * two points ans support for interpolating points between two points.
+ *
+ * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
+ */
+public interface Metrics
+{
+    /**
+     * Calculates the distance between two given points.
+     * @param p1 The first point.
+     * @param p2 The second point.
+     * @return The distance.
+     */
+    double distance(Coordinate p1, Coordinate p2);
+
+    /**
+     * Return an interpolator which allows interpolations between
+     * two given points.
+     * @param p1 The first point.
+     * @param p2 The second point.
+     * @return The interpolator.
+     */
+    Interpolator getInterpolator(Coordinate p1, Coordinate p2);
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :