vtkMaracasImageViewer2Callback Class Reference

#include <wxVTKRenderWindowInteractorEditContour.h>

List of all members.

Public Member Functions
	vtkMaracasImageViewer2Callback ()
	~vtkMaracasImageViewer2Callback ()
virtual char const *	GetClassName () const
void	Execute (vtkObject *caller, unsigned long event, void *vtkNotUsed(callData))
Static Public Member Functions
static vtkMaracasImageViewer2Callback *	New ()
Public Attributes
vtkImageViewer2 *	IV
double	InitialWindow
double	InitialLevel

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Detailed Description

Definition at line 48 of file wxVTKRenderWindowInteractorEditContour.h.

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Constructor & Destructor Documentation

vtkMaracasImageViewer2Callback::vtkMaracasImageViewer2Callback

(

)

[inline]

Definition at line 51 of file wxVTKRenderWindowInteractorEditContour.h.

Referenced by New().

{} ;

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vtkMaracasImageViewer2Callback::~vtkMaracasImageViewer2Callback

(

)

[inline]

Definition at line 52 of file wxVTKRenderWindowInteractorEditContour.h.

{} ;

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Member Function Documentation

static vtkMaracasImageViewer2Callback* vtkMaracasImageViewer2Callback::New

(

)

[inline, static]

Definition at line 53 of file wxVTKRenderWindowInteractorEditContour.h.

References vtkMaracasImageViewer2Callback().

Referenced by wxImageViewerWidget::ConstructVTK(), and wxVtk2DBaseView::SetInteractorStyleImage().

                                               {
     return new vtkMaracasImageViewer2Callback(); 
  }

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virtual char const* vtkMaracasImageViewer2Callback::GetClassName

(

)

const [inline, virtual]

Definition at line 57 of file wxVTKRenderWindowInteractorEditContour.h.

{ return "vtkMaracasImageViewer2Callback";}

void vtkMaracasImageViewer2Callback::Execute	(	vtkObject *	caller,
		unsigned long	event,
		void *	vtkNotUsed(callData)
	)			[inline]

Definition at line 59 of file wxVTKRenderWindowInteractorEditContour.h.

References InitialLevel, InitialWindow, and IV.

    {
      if (this->IV->GetInput() == NULL)
        {
        return;
        }

      // Reset

      if (event == vtkCommand::ResetWindowLevelEvent)
        {
        this->IV->GetInput()->UpdateInformation();
        this->IV->GetInput()->SetUpdateExtent
          (this->IV->GetInput()->GetWholeExtent());
        this->IV->GetInput()->Update();
        double *range = this->IV->GetInput()->GetScalarRange();
        this->IV->SetColorWindow(range[1] - range[0]);
        this->IV->SetColorLevel(0.5 * (range[1] + range[0]));
        this->IV->Render();
        return;
        }

      // Start

      if (event == vtkCommand::StartWindowLevelEvent)
        {
        this->InitialWindow = this->IV->GetColorWindow();
        this->InitialLevel = this->IV->GetColorLevel();
        return;
        }
      
      // Adjust the window level here

      vtkInteractorStyleImage *isi = 
        static_cast<vtkInteractorStyleImage *>(caller);

      int *size = this->IV->GetRenderWindow()->GetSize();
      double window = this->InitialWindow;
      double level = this->InitialLevel;
      
      // Compute normalized delta

      double dx = 4.0 * 
        (isi->GetWindowLevelCurrentPosition()[0] - 
         isi->GetWindowLevelStartPosition()[0]) / size[0];
      double dy = 4.0 * 
        (isi->GetWindowLevelStartPosition()[1] - 
         isi->GetWindowLevelCurrentPosition()[1]) / size[1];
      
      // Scale by current values

      if (fabs(window) > 0.01)
        {
        dx = dx * window;
        }
      else
        {
        dx = dx * (window < 0 ? -0.01 : 0.01);
        }
      if (fabs(level) > 0.01)
        {
        dy = dy * level;
        }
      else
        {
        dy = dy * (level < 0 ? -0.01 : 0.01);
        }
      
      // Abs so that direction does not flip

      if (window < 0.0) 
        {
        dx = -1*dx;
        }
      if (level < 0.0) 
        {
        dy = -1*dy;
        }
      
      // Compute new window level

      double newWindow = dx + window;
      double newLevel;
      newLevel = level - dy;
      
      // Stay away from zero and really

      if (fabs(newWindow) < 0.01)
        {
        newWindow = 0.01*(newWindow < 0 ? -1 : 1);
        }
      if (fabs(newLevel) < 0.01)
        {
        newLevel = 0.01*(newLevel < 0 ? -1 : 1);
        }
      
      this->IV->SetColorWindow(newWindow);
      this->IV->SetColorLevel(newLevel);
      this->IV->Render();
    }

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Member Data Documentation

vtkImageViewer2* vtkMaracasImageViewer2Callback::IV

Definition at line 162 of file wxVTKRenderWindowInteractorEditContour.h.

Referenced by wxImageViewerWidget::ConstructVTK(), Execute(), and wxVtk2DBaseView::SetInteractorStyleImage().

double vtkMaracasImageViewer2Callback::InitialWindow

Definition at line 163 of file wxVTKRenderWindowInteractorEditContour.h.

Referenced by Execute().

double vtkMaracasImageViewer2Callback::InitialLevel

Definition at line 164 of file wxVTKRenderWindowInteractorEditContour.h.

Referenced by Execute().

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The documentation for this class was generated from the following file:

• C:/Creatis/creaMaracasVisu/lib/maracasVisuLib/src/interface/wxWindows/widgets/wxVTKRenderWindowInteractorEditContour.h

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