Fix horizontal and vertical projection actions and update documentation

Author: PierreRaybaut

datalab/gui/actionhandler.py

@@ -1226,6 +1226,8 @@ def create_first_actions(self):
 
         # MARK: ANALYSIS
         with self.new_category(ActionCategory.ANALYSIS):
+            self.action_for("horizontal_projection", separator=True)
+            self.action_for("vertical_projection")
             self.action_for("centroid", separator=True)
             self.action_for("enclosing_circle")
             self.new_action(
@@ -1236,25 +1238,11 @@ def create_first_actions(self):
             )
             self.action_for("contour_shape")
             self.action_for("hough_circle_peaks")
-
             with self.new_menu(_("Blob detection")):
                 self.action_for("blob_dog")
                 self.action_for("blob_doh")
                 self.action_for("blob_log")
                 self.action_for("blob_opencv")
-            #! Note projection onto horizontal axis means summing along vertical axis.
-            self.new_action(
-                _("Horizontal projection"),
-                # icon_name="horizontal_projection.svg",
-                tip=_("Sum pixels along vertical axis"),
-                separator=True,
-            )
-            #! Note projection onto vertical axis means summing along horizontal axis.
-            self.new_action(
-                _("Vertical projection"),
-                # icon_name="vertical_projection.svg",
-                tip=_("Sum pixels along horizontal axis"),
-            )
 
     def create_last_actions(self):
         """Create actions that are added to the menus in the end"""

datalab/gui/processor/image.py

@@ -665,11 +665,22 @@ def register_computations(self) -> None:
         # MARK: ANALYSIS
         self.register_1_to_0(sigima_image.stats, _("Statistics"), icon_name="stats.svg")
         self.register_1_to_1(
-            sigima_image.horizontal_projection, _("Sum pixels along vertical axis")
+            sigima_image.horizontal_projection,
+            _("Horizontal projection"),
+            # icon_name="horizontal_projection.svg",
+            comment=_(
+                "Compute the sum of pixel intensities along each column "
+                "(projection on the x-axis)"
+            ),
         )
-        #! Note projection onto vertical axis means summing along horizontal axis.
         self.register_1_to_1(
-            sigima_image.vertical_projection, _("Sum pixels along horizontal axis")
+            sigima_image.vertical_projection,
+            # icon_name="vertical_projection.svg",
+            _("Vertical projection"),
+            comment=_(
+                "Compute the sum of pixel intensities along each row "
+                "(projection on the y-axis)"
+            ),
         )
 
         self.register_1_to_1(

datalab/locale/fr/LC_MESSAGES/datalab.po

@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  datalab\n"
 "Report-Msgid-Bugs-To: p.raybaut@codra.fr\n"
-"POT-Creation-Date: 2025-09-08 21:20+0200\n"
+"POT-Creation-Date: 2025-09-09 15:45+0200\n"
 "PO-Revision-Date: 2025-05-22 15:46+0200\n"
 "Last-Translator: Christophe Debonnel <c.debonnel@codra.fr>\n"
 "Language: fr\n"
@@ -529,18 +529,6 @@ msgstr "Détection automatique de pics 2D"
 msgid "Blob detection"
 msgstr "Détection de taches"
 
-msgid "Horizontal projection"
-msgstr "Projection horizontale"
-
-msgid "Sum pixels along vertical axis"
-msgstr "Somme des pixels le long de l'axe vertical"
-
-msgid "Vertical projection"
-msgstr "Projection verticale"
-
-msgid "Sum pixels along horizontal axis"
-msgstr "Somme des pixels le long de l'axe horizontal"
-
 msgid "Resize"
 msgstr "Redimensionner"
 
@@ -1399,6 +1387,18 @@ msgstr "Rééchantillonnage"
 msgid "Statistics"
 msgstr "Statistiques"
 
+msgid "Horizontal projection"
+msgstr "Projection horizontale"
+
+msgid "Compute the sum of pixel intensities along each column (projection on the x-axis)"
+msgstr "Calcule la somme des intensités des pixels le long de chaque colonne (projection sur l'axe des x)"
+
+msgid "Vertical projection"
+msgstr "Projection verticale"
+
+msgid "Compute the sum of pixel intensities along each row (projection on the y-axis)"
+msgstr "Calcule la somme des intensités des pixels le long de chaque ligne (projection sur l'axe des y)"
+
 msgid "Histogram"
 msgstr "Histogramme"
 
@@ -2666,3 +2666,4 @@ msgstr "Merci de sélectionner le fichier à importer."
 
 msgid "Example Wizard"
 msgstr "Assistant exemple"
+

doc/features/image/menu_analysis.rst

@@ -63,6 +63,14 @@ Parameters are:
 
     Example of histogram.
 
+Horizontal and vertical projections
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Compute horizontal and vertical projection profiles:
+
+- Horizontal projection: Sum the pixel values along each row (projection on the x-axis).
+- Vertical projection: Sum the pixel values along each column (projection on the y-axis).
+
 Centroid
 ^^^^^^^^
 
@@ -146,15 +154,6 @@ Blob detection (LOG)
 Blob detection (OpenCV)
     Detect blobs using OpenCV implementation of `SimpleBlobDetector <https://docs.opencv.org/3.4/d0/d7a/classcv_1_1SimpleBlobDetector.html>`_.
 
-
-Horizontal and vertical projections
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-Sum the pixel values along the vertical or horizontal axis to obtain a projection
-profile. The horizontal projection is obtained by summing the pixel values along the
-vertical axis, while the vertical projection is obtained by summing the pixel values
-along the horizontal axis.
-
 Show results
 ^^^^^^^^^^^^
 

doc/locale/fr/LC_MESSAGES/features/image/menu_analysis.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: DataLab \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2025-07-26 18:32+0200\n"
+"POT-Creation-Date: 2025-09-09 15:45+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: fr\n"
@@ -85,6 +85,18 @@ msgstr "Limite supérieure de l'histogramme"
 msgid "Example of histogram."
 msgstr "Exemple d'histogramme."
 
+msgid "Horizontal and vertical projections"
+msgstr "Projections horizontale et verticale"
+
+msgid "Compute horizontal and vertical projection profiles:"
+msgstr "Calcule les profils de projection horizontale et verticale :"
+
+msgid "Horizontal projection: Sum the pixel values along each row (projection on the x-axis)."
+msgstr "Projection horizontale : somme des valeurs des pixels le long de chaque ligne (projection sur l'axe des x)."
+
+msgid "Vertical projection: Sum the pixel values along each column (projection on the y-axis)."
+msgstr "Projection verticale : somme des valeurs des pixels le long de chaque colonne (projection sur l'axe des y)."
+
 msgid "Centroid"
 msgstr "Barycentre"
 
@@ -178,12 +190,6 @@ msgstr "Détection de taches (OpenCV)"
 msgid "Detect blobs using OpenCV implementation of `SimpleBlobDetector <https://docs.opencv.org/3.4/d0/d7a/classcv_1_1SimpleBlobDetector.html>`_."
 msgstr "Détection de taches basée sur l'implémentation OpenCV de `SimpleBlobDetector <https://docs.opencv.org/3.4/d0/d7a/classcv_1_1SimpleBlobDetector.html>`_."
 
-msgid "Horizontal and vertical projections"
-msgstr "Projections horizontale et verticale"
-
-msgid "Sum the pixel values along the vertical or horizontal axis to obtain a projection profile. The horizontal projection is obtained by summing the pixel values along the vertical axis, while the vertical projection is obtained by summing the pixel values along the horizontal axis."
-msgstr "Somme les valeurs des pixels le long de l'axe horizontal ou vertical pour obtenir un profil de projection. La projection horizontale est obtenue en sommant les valeurs des pixels le long de l'axe vertical, tandis que la projection verticale est obtenue en sommant les valeurs des pixels le long de l'axe horizontal."
-
 msgid "Show results"
 msgstr "Afficher les résultats"