--- a/gnv-artifacts/src/main/java/de/intevation/gnv/math/AreaInterpolation.java	Wed Jan 20 08:50:10 2010 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/math/AreaInterpolation.java	Wed Jan 20 14:47:30 2010 +0000
@@ -77,7 +77,8 @@
             }
         }
 
-        double [] buffer = Interpolation2D.calculateBuffer(relevantPoints);
+        double [] buffer = Interpolation2D
+            .calculateBufferRemoveOutlier(relevantPoints);
         double dxMax = buffer[0];
         double dyMax = buffer[1];
 
@@ -111,6 +112,8 @@
         double minX = boundingBox.getMinX();
         double minY = boundingBox.getMinY();
 
+        long startTime = System.currentTimeMillis();
+
         int row = 0;
         for (int j = 0; j < H; ++j, row += W) {
             double y = j*cellHeight + 0.5d*cellHeight + minY;
@@ -177,6 +180,12 @@
             }
         }
 
+        long stopTime = System.currentTimeMillis();
+
+        if (debug) {
+            log.debug("interpolation took: " + (stopTime - startTime)/1000f + " secs");
+        }
+
         this.raster = raster;
         this.width  = W;
         this.height = H;