Index: trunk/Mars/ceres.cc
===================================================================
--- trunk/Mars/ceres.cc	(revision 19727)
+++ trunk/Mars/ceres.cc	(revision 19728)
@@ -5,4 +5,6 @@
 
 #include <TVector2.h>
+
+#include "zofits.h"
 
 #include "MArray.h"
@@ -78,4 +80,6 @@
     gLog << "   --run-number=#            Optionally set the run number to simulate" << endl;
     gLog << "   --fits                    Write FITS output files instead of root files." << endl;
+    gLog << "   --zfits-rows              Number of rows compressed into one tile (see zofit.h)." << endl;
+    gLog << "   --zfits-threads           Number of threads for compression (see zofits.h)." << endl;
     gLog << "   --list                    The specified .txt file contains a file list" << endl;
     gLog << "                              (see MDirIter::ReadFile)." << endl << endl;
@@ -181,4 +185,8 @@
     const Bool_t  kFileList   = arg.HasOnlyAndRemove("--list");
 
+    // This is here because it is global
+    zofits::DefaultNumRowsPerTile(arg.GetIntAndRemove("--zfits-rows", 100));
+    zofits::DefaultNumThreads(arg.GetIntAndRemove("--zfits-threads", 0));
+
     Int_t opmode = -1;
     if (TString("data").BeginsWith(kOpMode, TString::kIgnoreCase))