[gnuastro-commits] master 053eb4d 3/3: Corrected NoiseChisel's NUMLABS in onlydetection mode

[Mohammad Akhlaghi]

branch: master
commit 053eb4d027c5c84af11827343bf3c572bca4b899
Author: Mohammad Akhlaghi <address@hidden>
Commit: Mohammad Akhlaghi <address@hidden>

    Corrected NoiseChisel's NUMLABS in onlydetection mode
    
    The value of the `NUMLABS' keyword in NoiseChisel's detected object image
    was based on `p->numobjects'. However, this variable was given a value only
    after segmentation. So when NoiseChisel was run in `--onlydetection' mode,
    the value of this keyword would be `0'! This is now corrected.
    
    Also, to facilitate access to the library, a `libgnuastro' title was also
    added to the Info contents. So by running `info libgnuastro' you will be
    directly taken to the `gnuastro library' section of the manual.
---
 bin/mkcatalog/ui.c            | 7 ++++---
 bin/noisechisel/noisechisel.c | 2 ++
 doc/gnuastro.texi             | 1 +
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/bin/mkcatalog/ui.c b/bin/mkcatalog/ui.c
index 09e02a4..7096feb 100644
--- a/bin/mkcatalog/ui.c
+++ b/bin/mkcatalog/ui.c
@@ -513,6 +513,7 @@ ui_preparations_read_keywords(struct mkcatalogparams *p)
   keys[0].array=&p->minstd;                 keys[1].array=&p->medstd;
   gal_fits_key_read(stdfile, p->stdhdu, keys, 0, 0);
 
+
   /* If the two keywords couldn't be read, calculate them. */
   if(keys[0].status)
     {
@@ -548,11 +549,11 @@ ui_preparations_read_keywords(struct mkcatalogparams *p)
   keys[0].type=GAL_TYPE_FLOAT32;            keys[1].type=GAL_TYPE_SIZE_T;
   keys[0].array=&p->detsn;                  keys[1].array=&p->numobjects;
   gal_fits_key_read(objectsfile, p->objectshdu, keys, 0, 0);
-  if(keys[0].status) p->detsn=NAN;
-  if(keys[1].status)
+  if(keys[0].status) p->detsn=NAN;         /* When `status!=0', then    */
+  if(keys[1].status)                       /* the key couldn't be read. */
     {
       tmp=gal_statistics_maximum(p->objects);
-      p->numobjects=*((int32_t *)(tmp->array)); /* objects is in int32_t. */
+      p->numobjects=*((int32_t *)(tmp->array)); /*numobjects is in int32_t.*/
       gal_data_free(tmp);
     }
 
diff --git a/bin/noisechisel/noisechisel.c b/bin/noisechisel/noisechisel.c
index 51e0f8d..4a71130 100644
--- a/bin/noisechisel/noisechisel.c
+++ b/bin/noisechisel/noisechisel.c
@@ -298,6 +298,8 @@ noisechisel(struct noisechiselparams *p)
       /* Do the segmentation. */
       segmentation(p);
     }
+  else
+    p->numobjects=p->numdetections;
 
   /* Write the output. */
   noisechisel_output(p);
diff --git a/doc/gnuastro.texi b/doc/gnuastro.texi
index 1225e3f..51f0506 100644
--- a/doc/gnuastro.texi
+++ b/doc/gnuastro.texi
@@ -45,6 +45,7 @@ License''.
 @dircategory Astronomy
 @direntry
 * Gnuastro: (gnuastro).       GNU Astronomy Utilities.
+* libgnuastro: (gnuastro)Gnuastro library. Full Gnuastro library doc.
 
 * help-gnuastro: (gnuastro)help-gnuastro mailing list. Getting help.