From 878705ae4eab58fc442c37bee7a2ea5124311b66 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Leonardo=20Fl=C3=B3rez-Valencia?= <florez-l@javeriana.edu.co>
Date: Mon, 12 Sep 2016 20:52:58 -0500
Subject: [PATCH] Some minor visualization bugs.

---
 .../Algorithms/GradientImageFunctionBase.hxx  |  2 +-
 lib/cpExtensions/QT/MPR3DWidget.cxx           |  8 ++++
 .../Visualization/MPR3DActors.cxx             | 44 +++++++++++++++++++
 lib/cpExtensions/Visualization/MPR3DActors.h  |  5 +++
 4 files changed, 58 insertions(+), 1 deletion(-)

diff --git a/lib/cpExtensions/Algorithms/GradientImageFunctionBase.hxx b/lib/cpExtensions/Algorithms/GradientImageFunctionBase.hxx
index 95681bd..a858650 100644
--- a/lib/cpExtensions/Algorithms/GradientImageFunctionBase.hxx
+++ b/lib/cpExtensions/Algorithms/GradientImageFunctionBase.hxx
@@ -36,7 +36,7 @@ EvaluateAtIndex( const TIndex& i ) const
   if( eval )
     return( this->_Evaluate( i ) );
   else
-    return( TOutput( 0 ) );
+    return( TOutput( -1 ) );
 }
 
 // -------------------------------------------------------------------------
diff --git a/lib/cpExtensions/QT/MPR3DWidget.cxx b/lib/cpExtensions/QT/MPR3DWidget.cxx
index 3d5d508..f0331c0 100644
--- a/lib/cpExtensions/QT/MPR3DWidget.cxx
+++ b/lib/cpExtensions/QT/MPR3DWidget.cxx
@@ -121,24 +121,32 @@ SetSlicesNumbers( int x, int y, int z )
 void cpExtensions::QT::MPR3DWidget::
 SetScalarRange( double r[ 2 ] )
 {
+  this->m_Actors->SetScalarRange( r );
+  this->Render( );
 }
 
 // -------------------------------------------------------------------------
 void cpExtensions::QT::MPR3DWidget::
 SetWindowLevel( double wl[ 2 ] )
 {
+  this->m_Actors->SetWindowLevel( wl );
+  this->Render( );
 }
 
 // -------------------------------------------------------------------------
 void cpExtensions::QT::MPR3DWidget::
 SetImageOpacity( double o )
 {
+  this->m_Actors->SetImageOpacity( o );
+  this->Render( );
 }
 
 // -------------------------------------------------------------------------
 void cpExtensions::QT::MPR3DWidget::
 SetImageInterpolation( unsigned char i )
 {
+  this->m_Actors->SetImageInterpolation( i );
+  this->Render( );
 }
 
 #endif // cpExtensions_QT4
diff --git a/lib/cpExtensions/Visualization/MPR3DActors.cxx b/lib/cpExtensions/Visualization/MPR3DActors.cxx
index 1c0d325..a63e272 100644
--- a/lib/cpExtensions/Visualization/MPR3DActors.cxx
+++ b/lib/cpExtensions/Visualization/MPR3DActors.cxx
@@ -3,6 +3,7 @@
 #include <cpExtensions/Visualization/LUTImageActor.h>
 #include <cpExtensions/Visualization/WindowLevelImageActor.h>
 #include <vtkActor.h>
+#include <vtkImageProperty.h>
 #include <vtkPolyData.h>
 
 // -------------------------------------------------------------------------
@@ -127,6 +128,49 @@ AddMesh( vtkPolyData* mesh )
   return( actor.GetActor( ) );
 }
 
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::MPR3DActors::
+SetScalarRange( double r[ 2 ] )
+{
+  this->m_Slices[ 0 ]->
+    GetWindowLevelImageActor( )->ConfigureWindowLevel( r[ 0 ], r[ 1 ] );
+  this->m_Slices[ 1 ]->
+    GetWindowLevelImageActor( )->ConfigureWindowLevel( r[ 0 ], r[ 1 ] );
+  this->m_Slices[ 2 ]->
+    GetWindowLevelImageActor( )->ConfigureWindowLevel( r[ 0 ], r[ 1 ] );
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::MPR3DActors::
+SetWindowLevel( double wl[ 2 ] )
+{
+  this->m_Slices[ 0 ]->
+    GetWindowLevelImageActor( )->SetWindowLevel( wl[ 0 ], wl[ 1 ] );
+  this->m_Slices[ 1 ]->
+    GetWindowLevelImageActor( )->SetWindowLevel( wl[ 0 ], wl[ 1 ] );
+  this->m_Slices[ 2 ]->
+    GetWindowLevelImageActor( )->SetWindowLevel( wl[ 0 ], wl[ 1 ] );
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::MPR3DActors::
+SetImageOpacity( double o )
+{
+  this->m_Slices[ 0 ]->GetWindowLevelImageActor( )->
+    GetProperty( )->SetOpacity( o );
+  this->m_Slices[ 1 ]->GetWindowLevelImageActor( )->
+    GetProperty( )->SetOpacity( o );
+  this->m_Slices[ 2 ]->GetWindowLevelImageActor( )->
+    GetProperty( )->SetOpacity( o );
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::MPR3DActors::
+SetImageInterpolation( unsigned char i )
+{
+  // TODO
+}
+
 // -------------------------------------------------------------------------
 cpExtensions::Visualization::MPR3DActors::
 MPR3DActors( )
diff --git a/lib/cpExtensions/Visualization/MPR3DActors.h b/lib/cpExtensions/Visualization/MPR3DActors.h
index bc02490..07c41ba 100644
--- a/lib/cpExtensions/Visualization/MPR3DActors.h
+++ b/lib/cpExtensions/Visualization/MPR3DActors.h
@@ -57,6 +57,11 @@ namespace cpExtensions
 
       virtual vtkActor* AddMesh( vtkPolyData* mesh );
 
+      void SetScalarRange( double r[ 2 ] );
+      void SetWindowLevel( double wl[ 2 ] );
+      void SetImageOpacity( double o );
+      void SetImageInterpolation( unsigned char i );
+
     protected:
       MPR3DActors( );
       virtual ~MPR3DActors( );
-- 
2.47.1