--- a/artifacts/src/main/java/org/dive4elements/river/exports/ATWriter.java	Fri Sep 05 12:54:58 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/ATWriter.java	Fri Sep 05 12:58:17 2014 +0200
@@ -36,7 +36,7 @@
 /** Write AT files. */
 public class ATWriter
 {
-    private static Logger logger = Logger.getLogger(ATWriter.class);
+    private static Logger log = Logger.getLogger(ATWriter.class);
 
     public static final int COLUMNS = 10;
 
@@ -58,7 +58,7 @@
         }
         catch (FunctionEvaluationException aode) {
             // should not happen
-            logger.error("spline interpolation failed", aode);
+            log.error("spline interpolation failed", aode);
             return Double.NaN;
         }
     }
@@ -155,8 +155,8 @@
 
         int [] bounds = wq.longestIncreasingWRangeIndices();
 
-        if (logger.isDebugEnabled()) {
-            logger.debug("exporting " + (isCalculation ? "calculated " : "") +
+        if (log.isDebugEnabled()) {
+            log.debug("exporting " + (isCalculation ? "calculated " : "") +
                 "w between indices " + bounds[0] + " and " + bounds[1] + " (" +
                 (int)Math.ceil(wq.getW(bounds[0])) + ", " +
                 (int)Math.floor(wq.getW(bounds[1]))+ ")");
@@ -209,10 +209,10 @@
 
         int startW = minW - rest;
 
-        if (logger.isDebugEnabled()) {
-            logger.debug("startW: " + startW);
-            logger.debug("rest: " + rest);
-            logger.debug("maxW: " + maxW);
+        if (log.isDebugEnabled()) {
+            log.debug("startW: " + startW);
+            log.debug("rest: " + rest);
+            log.debug("maxW: " + maxW);
         }
 
         int col = 0;