diff --git a/src/analyse.c b/src/analyse.c
index 271ce2dbc776994be05b94c2af76713387f56175..9e73e244afefb4750323c916c063c3218c9cde0b 100644
--- a/src/analyse.c
+++ b/src/analyse.c
@@ -22,7 +22,7 @@
 *	You should have received a copy of the GNU General Public License
 *	along with SExtractor. If not, see <http://www.gnu.org/licenses/>.
 *
-*	Last modified:		02/11/2011
+*	Last modified:		12/09/2013
 *
 *%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 
@@ -830,6 +830,9 @@ void	endobject(picstruct *field, picstruct *dfield, picstruct *wfield,
       }
     }
 
+  /* Clean (zero) all measurements */
+  zerocat();
+
   return;
   }
 
diff --git a/src/back.c b/src/back.c
index ebe3471014857bfa3ec539840725e3cb1e443db6..f3a7d28fdfe99ddb9f3afc903d6f8ba78a1a93c3 100644
--- a/src/back.c
+++ b/src/back.c
@@ -253,7 +253,6 @@ void	makeback(picstruct *field, picstruct *wfield, int wscale_flag)
         {
         QFSEEK(wfield->file, wfcurpos2, SEEK_SET, wfield->filename);
         wtab->currentElement = (wfcurpos2 == 0) ? 1 : wfcurpos2; // CFITSIO
-
         wbm = wbackmesh;
         for (m=nx; m--; wbm++)
           if (wbm->mean <= -BIG)
@@ -266,14 +265,10 @@ void	makeback(picstruct *field, picstruct *wfield, int wscale_flag)
         {
         if (bufsize2>size)
           bufsize2 = size;
-
         read_body(field->tab, buf, bufsize2);
-
         if (wfield)
           {
-
-            read_body(wfield->tab, wbuf, bufsize2);
-
+          read_body(wfield->tab, wbuf, bufsize2);
           weight_to_var(wfield, wbuf, bufsize2);
           }
         backhisto(backmesh, wbackmesh, buf, wbuf, bufsize2, nx, w, bw,
@@ -313,11 +308,9 @@ void	makeback(picstruct *field, picstruct *wfield, int wscale_flag)
 /* Go back to the original position */
   QFSEEK(field->file, fcurpos, SEEK_SET, field->filename);
   field->tab->currentElement = fcurpos; // CFITSIO
-
   if (wfield) {
     QFSEEK(wfield->file, wfcurpos, SEEK_SET, wfield->filename);
     wfield->tab->currentElement = (wfcurpos == 0) ? 1 : wfcurpos; // CFITSIO
-
   }
 
 /* Median-filter and check suitability of the background map */
diff --git a/src/catout.c b/src/catout.c
index ed169c9657f37cfde5c4ad5e629a7c99f7b41876..d03e71c2eab7614ede31a77a4f8745eff92b4412 100644
--- a/src/catout.c
+++ b/src/catout.c
@@ -22,7 +22,7 @@
 *	You should have received a copy of the GNU General Public License
 *	along with SExtractor. If not, see <http://www.gnu.org/licenses/>.
 *
-*	Last modified:		05/07/2013
+*	Last modified:		12/09/2013
 *
 *%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 
@@ -933,6 +933,8 @@ void	reinitcat(picstruct *field)
     init_writeobj(fitscat, objtab, &buf);
     }
 
+  zerocat();
+
   return;
   }
 
@@ -1101,3 +1103,21 @@ void	reendcat()
   }
 
 
+/********************************** zerocat **********************************/
+/*
+Reset to 0 all measurements in the current catalog.
+*/
+void	zerocat(void)
+  {
+   keystruct	*key;
+   int		i;
+
+  key = objtab->key;
+  for (i=objtab->nkey; i--; key=key->nextkey)
+    memset(key->ptr, 0, key->nbytes);
+
+  return;
+  }
+
+
+
diff --git a/src/field.c b/src/field.c
index 60fe2caadaed850de34e94cbd8bbbf777b7eac0e..117a5a1993c7f1b45b1e1cac1e81ddfbcf2a7718 100644
--- a/src/field.c
+++ b/src/field.c
@@ -87,6 +87,7 @@ picstruct	*newfield(char *filename, int flags, int ext)
     }
   if (!nok)
     error(EXIT_FAILURE, "Not a valid FITS image in ",filename);
+
   field->tab = tab;
   if (ntab<0)
     error(EXIT_FAILURE, "Not enough valid FITS image extensions in ",filename);
diff --git a/src/fits/fitsbody.c b/src/fits/fitsbody.c
index 3aabd206ba76eabba4f89f0c1880824d102c9c89..66c55d8fa74a4d32cfd61602cdca7be563be8469 100644
--- a/src/fits/fitsbody.c
+++ b/src/fits/fitsbody.c
@@ -389,7 +389,6 @@ void	read_body(tabstruct *tab, PIXTYPE *ptr, size_t size)
         }
         else
         QFREAD(bufdata, spoonful*tab->bytepix, cat->file, cat->filename);
-
         switch(tab->bitpix)
           {
           case BP_BYTE:
@@ -665,8 +664,6 @@ void	read_body(tabstruct *tab, PIXTYPE *ptr, size_t size)
     default:
       error(EXIT_FAILURE,"*Internal Error*: unknown compression mode in ",
                                 "read_body()");
-
-
     }
 
   //printf("SSSS %f %f %f %f %f\n", bufdata[0], bufdata[10], bufdata[100], bufdata[1000], bufdata[spoonful-1]);
@@ -977,7 +974,6 @@ void	write_body(tabstruct *tab, PIXTYPE *ptr, size_t size)
             for (i=spoonful; i--;)
               *(bufdata++) = (*(ptr++)-bz)/bs;
 
-
             // CFITSIO - only perform byte-swap if we are NOT writing a tile-compressed format using cfitsio
             if (0 && tab->infptr == NULL) // TODO
             if (bswapflag)
diff --git a/src/fits/fitscat.h b/src/fits/fitscat.h
index d79ff38477b49a39b9d56dc579bb4a2013e30ca9..6b4d4af6fdf65f69149029e4867560b802c5283d 100644
--- a/src/fits/fitscat.h
+++ b/src/fits/fitscat.h
@@ -23,7 +23,7 @@
 *	along with AstrOmatic software.
 *	If not, see <http://www.gnu.org/licenses/>.
 *
-f*	Last modified:		29/08/2012
+*	Last modified:		29/08/2012
 *
 *%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 
diff --git a/src/globals.h b/src/globals.h
index cc98d66909e4cb6805fcef087732a879e7265e57..f6ded6f011ee84b36f58cbf0b6efd11346edbe57 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -22,7 +22,7 @@
 *	You should have received a copy of the GNU General Public License
 *	along with SExtractor. If not, see <http://www.gnu.org/licenses/>.
 *
-*	Last modified:		11/10/2010
+*	Last modified:		12/09/2013
 *
 *%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 
@@ -85,7 +85,8 @@ extern void	alloccatparams(void),
 		useprefs(void),
 		writecat(int, objliststruct *),
 		write_error(char *msg1, char *msg2),
-		write_vo_fields(FILE *file);
+		write_vo_fields(FILE *file),
+		zerocat(void);
 
 extern double	counter_seconds(void);
 
diff --git a/src/makeit.c b/src/makeit.c
index c43e9987bcdeeda0dafc7cc9d5a7a944b8cca1e6..339ea17b04bf5670937887204fad44064799977c 100644
--- a/src/makeit.c
+++ b/src/makeit.c
@@ -22,7 +22,7 @@
 *	You should have received a copy of the GNU General Public License
 *	along with SExtractor. If not, see <http://www.gnu.org/licenses/>.
 *
-*	Last modified:		13/02/2013
+*	Last modified:		17/08/2013
 *
 *%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 
@@ -57,7 +57,11 @@
 
 static int		selectext(char *filename);
 time_t			thetimet, thetimet2;
+#ifdef USE_MODEL
 extern profitstruct	*theprofit,*thedprofit, *thepprofit,*theqprofit;
+#else
+profitstruct	*theprofit,*thedprofit, *thepprofit,*theqprofit;
+#endif
 extern char		profname[][32];
 double			dtime;
 
@@ -479,6 +483,7 @@ if (!imatab->isTileCompressed)
           thepsf = psf_load(prefs.psf_name[0], nok); 
         }
 
+#ifdef USE_MODEL
       if (prefs.prof_flag)
         {
 /*------ Create profiles at full resolution */
@@ -502,6 +507,7 @@ if (!imatab->isTileCompressed)
           theqprofit = profit_init(thepsf, MODEL_EXPONENTIAL);
           }
         }
+#endif
       }
 
 /*-- Initialize PSF contexts and workspace */
diff --git a/src/readimage.c b/src/readimage.c
index 6f34aa4615083a9a9266e76435defde7c98226af..76dc670222c396f7aeb644eddc6896618e48766e 100644
--- a/src/readimage.c
+++ b/src/readimage.c
@@ -294,7 +294,6 @@ void	readimagehead(picstruct *field)
 
   QFSEEK(field->file, tab->bodypos, SEEK_SET, field->filename);
 
-
   return;
 
 #undef FITSREADS