ENH: add method in the pixelDescription action handler to disable coordinates...

ENH: add method in the pixelDescription action handler to disable coordinates to placename computation

Code/Visualization/otbHistogramActionHandler.h

@@ -157,6 +157,9 @@ public:
               m_RenderingFunction->SetParameters(param);
               }
             }
+          std::cout <<"left Abcisse : "<< m_LeftAsymptote->GetAbcisse() 
+                    << " right abisse : "<<  m_RightAsymptote->GetAbcisse() 
+                    << std::endl;
           return true;
           }
         }

Code/Visualization/otbImageLayer.h

@@ -182,7 +182,7 @@ public:
   virtual void Render();
 
   /** Get the pixel description */
-  virtual std::string GetPixelDescription(const IndexType& index);
+  virtual std::string GetPixelDescription(const IndexType& index, bool getPlaceName = true);
 
   /** Get the pixel location */
   virtual PointType GetPixelLocation(const IndexType& index);

Code/Visualization/otbImageLayer.txx

@@ -263,7 +263,7 @@ ImageLayer<TImage, TOutputImage>
 template <class TImage, class TOutputImage>
 std::string
 ImageLayer<TImage, TOutputImage>
-::GetPixelDescription(const IndexType& index)
+::GetPixelDescription(const IndexType& index, bool getPlaceName)
 {
   //FIXME only if necessary
   this->UpdateListSample();
@@ -307,21 +307,25 @@ ImageLayer<TImage, TOutputImage>
 
       if (m_Transform->GetTransformAccuracy() == Projection::PRECISE) oss << "(precise location)" << std::endl;
       if (m_Transform->GetTransformAccuracy() == Projection::ESTIMATE) oss << "(estimated location)" << std::endl;
-
-      // We do not want to refresh the location if we are pointing in the scroll view
-      if (m_Image->GetBufferedRegion().IsInside(index))
+      
+      // Get the placeName if asked for
+      if (getPlaceName)
         {
-        if (m_CoordinateToName->SetLonLat(point))
+        // We do not want to refresh the location if we are pointing in the scroll view
+        if (m_Image->GetBufferedRegion().IsInside(index))
           {
-          m_CoordinateToName->Evaluate();
+          if (m_CoordinateToName->SetLonLat(point))
+            {
+            m_CoordinateToName->Evaluate();
+            }
           }
-        }
 
-      m_PlaceName = m_CoordinateToName->GetPlaceName();
-      m_CountryName = m_CoordinateToName->GetCountryName();
+        m_PlaceName = m_CoordinateToName->GetPlaceName();
+        m_CountryName = m_CoordinateToName->GetCountryName();
 
-      if (m_PlaceName != "") oss << otbGetTextMacro("Near") << " " << m_PlaceName << std::endl;
-      if (m_CountryName != "") oss << " " << otbGetTextMacro("in") << " " << m_CountryName << std::endl;
+        if (m_PlaceName != "") oss << otbGetTextMacro("Near") << " " << m_PlaceName << std::endl;
+        if (m_CountryName != "") oss << " " << otbGetTextMacro("in") << " " << m_CountryName << std::endl;
+        }
       }
     else
       {

Code/Visualization/otbImageLayerBase.h

@@ -69,7 +69,7 @@ public:
   virtual void Render() = 0;
 
   /** Get the pixel description */
-  virtual std::string GetPixelDescription(const IndexType& index) = 0;
+  virtual std::string GetPixelDescription(const IndexType& index, bool getPlaceName = true) = 0;
 
   /** Get the pixel value in TLayerValuePrecision type */
   virtual LayerValueType GetValueAtIndex(const IndexType& index) = 0;

Code/Visualization/otbPixelDescriptionActionHandler.h

@@ -114,7 +114,7 @@ public:
             index += m_Offset;
 
             // Communicate new index to model
-            m_Model->UpdatePixelDescription(index);
+            m_Model->UpdatePixelDescription(index, m_UsePlaceName);
 
             return true;
             break;
@@ -141,9 +141,14 @@ public:
   itkSetMacro(Offset, OffsetType);
   itkGetMacro(Offset, OffsetType);
 
+  /** Get PlaceName flag */
+  itkSetMacro(UsePlaceName, bool);
+  itkGetMacro(UsePlaceName, bool);
+
 protected:
   /** Constructor */
-  PixelDescriptionActionHandler() : m_View(), m_Model()
+  PixelDescriptionActionHandler() : m_View(), m_Model(), 
+                                    m_UsePlaceName(true)
   {
     m_Offset.Fill(0);
   }
@@ -169,6 +174,9 @@ private:
   // Pointer to the model
   ModelPointerType m_Model;
 
+  // Flag to get the placename
+  bool             m_UsePlaceName;
+
 }; // end class
 } // end namespace otb
 #endif

Code/Visualization/otbPixelDescriptionModel.h

@@ -66,7 +66,7 @@ public:
   void ClearPixelDescription();
 
   /** Update the pixel description */
-  void UpdatePixelDescription(const IndexType& index);
+  void UpdatePixelDescription(const IndexType& index, bool usePlaceName = true);
 
 protected:
   /** Constructor */

Code/Visualization/otbPixelDescriptionModel.txx

@@ -47,7 +47,7 @@ PixelDescriptionModel<TOutputImage>
 template <class TOutputImage>
 void
 PixelDescriptionModel<TOutputImage>
-::UpdatePixelDescription(const IndexType& index)
+::UpdatePixelDescription(const IndexType& index, bool usePlaceName)
 {
   // The output stringstream
   std::ostringstream oss;
@@ -60,7 +60,7 @@ PixelDescriptionModel<TOutputImage>
     if (it.Get()->GetVisible())
       {
       // Get the pixel description
-      oss << it.Get()->GetPixelDescription(index) << std::endl;
+      oss << it.Get()->GetPixelDescription(index, usePlaceName) << std::endl;
       }
     }
   m_PixelDescription = oss.str();