Index: trunk/ippTasks/detrend.stack.pro
===================================================================
--- trunk/ippTasks/detrend.stack.pro	(revision 12697)
+++ trunk/ippTasks/detrend.stack.pro	(revision 13683)
@@ -134,13 +134,18 @@
 
     if ("$WORKDIR" == "NULL")
-      $outroot = `pwd`
+      $outpath = `pwd`
     else
-      $outroot = `ipp_datapath.pl $WORKDIR`
+      $outpath = `ipp_datapath.pl $WORKDIR`
     end
-    $outroot = $outroot/$CAMERA.$DET_TYPE.$DET_ID
-    $logfile = $outroot/detstack.$DET_ID.$ITERATION.$CLASS_ID.log
+    $outpath = $outpath/$CAMERA.$DET_TYPE.$DET_ID
+    $outroot = $outpath/$CAMERA.$DET_TYPE.$DET_ID.$ITERATION
+    $logfile = `ipp_filename.pl --filerule LOG.IMFILE --camera $CAMERA --class_id $CLASS_ID --basename $outroot`
+    if ("$logfile" == "") 
+      $logfile = $outroot.$CLASS_ID.log
+    end
+
     stdout $logfile
     stderr $logfile
-    exec mkdir -p $outroot
+    exec mkdir -p $outpath
 
     # save the pageName for future reference below