diff --git a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/api/v1/dto/Geometry.java b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/api/v1/dto/Geometry.java
index 0a7c12750c079dbae5db58b1baf0660063597b13..437bc79fa5b48e85aac0e59d35f9e9017d72fe83 100644
--- a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/api/v1/dto/Geometry.java
+++ b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/api/v1/dto/Geometry.java
@@ -130,6 +130,26 @@ public final class Geometry implements Serializable
         return height;
     }
 
+    /**
+     * Returns the number of columns.
+     * 
+     * @return a non-negative number.
+     */
+    public final int getNumberOfColumns()
+    {
+        return width;
+    }
+
+    /**
+     * Returns the number of rows.
+     * 
+     * @return a non-negative number.
+     */
+    public final int getNumberOfRows()
+    {
+        return height;
+    }
+
     /**
      * Returns the dimension on the x-axis.
      *