mitk: mitkCameraController.cpp Source File

Go to the documentation of this file.
00001 /*=========================================================================
00002  
00003 Program:   Medical Imaging & Interaction Toolkit
00004 Language:  C++
00005 Date:      $Date$
00006 Version:   $Revision$
00007  
00008 Copyright (c) German Cancer Research Center, Division of Medical and
00009 Biological Informatics. All rights reserved.
00010 See MITKCopyright.txt or https://www.mitk.org/copyright.html for details.
00011  
00012 This software is distributed WITHOUT ANY WARRANTY; without even
00013 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00014 PURPOSE.  See the above copyright notices for more information.
00015  
00016 =========================================================================*/
00017 
00018 
00019 #include "mitkCameraController.h"
00020 #include "mitkVtkPropRenderer.h"
00021 #include "mitkRenderingManager.h"
00022 #include <vtkRenderWindowInteractor.h>
00023 #include "vtkCommand.h"
00024 
00025 #include "vtkCamera.h"
00026 #include "vtkRenderer.h"
00027 
00028 mitk::CameraController::CameraController(const char * type) : BaseController(type), m_Renderer(NULL), m_ZoomFactor(1.0)
00029 {}
00030 
00031 
00032 mitk::CameraController::~CameraController()
00033 {}
00034 
00035 
00036 void mitk::CameraController::Resize(int, int)
00037 {}
00038 
00039 
00040 void mitk::CameraController::MousePressEvent(mitk::MouseEvent*)
00041 {}
00042 
00043 
00044 void mitk::CameraController::MouseReleaseEvent(mitk::MouseEvent*)
00045 {}
00046 
00047 
00048 void mitk::CameraController::MouseMoveEvent(mitk::MouseEvent*)
00049 {}
00050 
00051 
00052 void mitk::CameraController::KeyPressEvent(mitk::KeyEvent*)
00053 {}
00054 
00055 
00056 void mitk::CameraController::SetViewToAnterior()
00057 {
00058   this->SetStandardView(ANTERIOR);
00059 }
00060 
00061 
00062 void mitk::CameraController::SetViewToPosterior()
00063 {
00064   this->SetStandardView(POSTERIOR);
00065 }
00066 
00067 
00068 void mitk::CameraController::SetViewToSinister()
00069 {
00070   this->SetStandardView(SINISTER);
00071 }
00072 
00073 
00074 void mitk::CameraController::SetViewToDexter()
00075 {
00076   this->SetStandardView(DEXTER);
00077 }
00078 
00079 
00080 void mitk::CameraController::SetViewToCranial()
00081 {
00082   this->SetStandardView(CRANIAL);
00083 }
00084 
00085 
00086 void mitk::CameraController::SetViewToCaudal()
00087 {
00088   this->SetStandardView(CAUDAL);
00089 }
00090 
00091 
00092 void mitk::CameraController::SetStandardView( mitk::CameraController::StandardView view )
00093 {
00094   const mitk::VtkPropRenderer* glRenderer = dynamic_cast<const mitk::VtkPropRenderer*>(m_Renderer);
00095   if (glRenderer == NULL)
00096     return;
00097   vtkRenderer* vtkRenderer = glRenderer->GetVtkRenderer();
00098   assert (vtkRenderer);
00099 
00100   mitk::BoundingBox::Pointer bb;
00101   mitk::DataStorage* ds = m_Renderer->GetDataStorage();
00102   if (ds != NULL)
00103     bb = ds->ComputeBoundingBox();
00104   else
00105     return;
00106 
00107   mitk::Point3D middle = bb->GetCenter();
00108   vtkRenderer->GetActiveCamera()->SetFocalPoint(middle[0], middle[1], middle[2]);
00109   switch(view)
00110   {
00111   case ANTERIOR:
00112   case POSTERIOR:
00113   case SINISTER:
00114   case DEXTER:
00115     vtkRenderer->GetActiveCamera()->SetViewUp(0,0,1);
00116     break;
00117   case CRANIAL:
00118   case CAUDAL:
00119     vtkRenderer->GetActiveCamera()->SetViewUp(0,-1,0);
00120   }
00121   switch(view)
00122   {
00123   case ANTERIOR:
00124     vtkRenderer->GetActiveCamera()->SetPosition(middle[0],-100000,middle[2]);
00125     break;
00126   case POSTERIOR:
00127     vtkRenderer->GetActiveCamera()->SetPosition(middle[0],+100000,middle[2]);
00128     break;
00129   case SINISTER:
00130     vtkRenderer->GetActiveCamera()->SetPosition(+100000,middle[1],middle[2]);
00131     break;
00132   case DEXTER:
00133     vtkRenderer->GetActiveCamera()->SetPosition(-100000,middle[1],middle[2]);
00134     break;
00135   case CRANIAL:
00136     vtkRenderer->GetActiveCamera()->SetPosition(middle[0],middle[1],100000);
00137     break;
00138   case CAUDAL:
00139     vtkRenderer->GetActiveCamera()->SetPosition(middle[0],middle[1],-100000);
00140     break;
00141   }
00142   vtkRenderer->ResetCamera();
00143   double *cameraPosition = vtkRenderer->GetActiveCamera()->GetPosition();
00144   switch(view)
00145   {
00146   case ANTERIOR:
00147   case POSTERIOR:
00148     vtkRenderer->GetActiveCamera()->SetPosition(cameraPosition[0],cameraPosition[1] / m_ZoomFactor,cameraPosition[2]);
00149     break;
00150 
00151   case SINISTER:
00152   case DEXTER:
00153     vtkRenderer->GetActiveCamera()->SetPosition(cameraPosition[0] / m_ZoomFactor,cameraPosition[1],cameraPosition[2]);
00154     break;
00155 
00156   case CRANIAL:
00157   case CAUDAL:
00158     vtkRenderer->GetActiveCamera()->SetPosition(cameraPosition[0],cameraPosition[1],cameraPosition[2] / m_ZoomFactor);
00159     break;
00160   }
00161   vtkRenderer->ResetCameraClippingRange();
00162 
00163   mitk::RenderingManager* rm = m_Renderer->GetRenderingManager();
00164   rm->RequestUpdateAll();
00165 }