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osg::MatrixCamera

osg::MatrixCamera Class Reference
[Cameras]

Matrix Camera class. See Matrix Camera for a description. More...

#include <OSGMatrixCamera.h>

Inheritance diagram for osg::MatrixCamera:

osg::MatrixCameraBase osg::Camera osg::CameraBase osg::AttachmentContainer osg::FieldContainer List of all members.

Public Types

typedef MatrixCameraPtr Ptr
enum  { ProjectionMatrixFieldId = Inherited::NextFieldId, ModelviewMatrixFieldId = ProjectionMatrixFieldId + 1, NextFieldId = ModelviewMatrixFieldId + 1 }

Public Member Functions

transformation
*virtual void changed (BitVector whichField, UInt32 origin)
your_category
*virtual void draw (DrawAction *action, const Viewport &port)
virtual void getProjection (Matrix &result, UInt32 width, UInt32 height)
virtual void getViewing (Matrix &result, UInt32 width, UInt32 height)
dump
*virtual void dump (UInt32 uiIndent=0, const BitVector bvFlags=0) const
FieldContainer Get
*virtual FieldContainerType & getType (void)
virtual const FieldContainerType & getType (void) const
virtual UInt32 getContainerSize (void) const
Field Get
*SFMatrix * getSFProjectionMatrix (void)
 Get the MatrixCamera::_sfProjectionMatrix field.
SFMatrix * getSFModelviewMatrix (void)
 Get the MatrixCamera::_sfModelviewMatrix field.
Matrix & getProjectionMatrix (void)
 Get the value of the MatrixCamera::_sfProjectionMatrix field.
const Matrix & getProjectionMatrix (void) const
 Get the value of the MatrixCamera::_sfProjectionMatrix field.
Matrix & getModelviewMatrix (void)
 Get the value of the MatrixCamera::_sfModelviewMatrix field.
const Matrix & getModelviewMatrix (void) const
 Get the value of the MatrixCamera::_sfModelviewMatrix field.
Field Set
*void setProjectionMatrix (const Matrix &value)
 Set the value of the MatrixCamera::_sfProjectionMatrix field.
void setModelviewMatrix (const Matrix &value)
 Set the value of the MatrixCamera::_sfModelviewMatrix field.
Binary Access
*virtual UInt32 getBinSize (const BitVector &whichField)
virtual void copyToBin (BinaryDataHandler &pMem, const BitVector &whichField)
virtual void copyFromBin (BinaryDataHandler &pMem, const BitVector &whichField)
Copy
*virtual FieldContainerPtr shallowCopy (void) const
Setup Rendering
*virtual void setup (DrawActionBase *action, const Viewport &port)
virtual void setupProjection (DrawActionBase *action, const Viewport &port)
Access Parameters
virtual void getProjectionTranslation (Matrix &result, UInt32 width, UInt32 height)
virtual void getFrustum (FrustumVolume &result, const Viewport &port)
virtual void getWorldToScreen (Matrix &result, const Viewport &port)
Intersection Helper
*bool calcViewRay (Line &line, Int32 x, Int32 y, const Viewport &port)
Field Get
*virtual SFNodePtr * getSFBeacon (void)
virtual SFReal32 * getSFNear (void)
virtual SFReal32 * getSFFar (void)
virtual NodePtr & getBeacon (void)
virtual const NodePtr & getBeacon (void) const
virtual Real32 & getNear (void)
virtual const Real32 & getNear (void) const
virtual Real32 & getFar (void)
virtual const Real32 & getFar (void) const
Field Set
*virtual void setBeacon (const NodePtr &value)
virtual void setNear (const Real32 &value)
virtual void setFar (const Real32 &value)

Static Public Member Functions

Class Get
*static const char * getClassname (void)
Class Get
*static FieldContainerType & getClassType (void)
 access the type of the class
static UInt32 getClassTypeId (void)
 access the numerical type of the class
Construction
*static MatrixCameraPtr create (void)
 create a new instance of the class
static MatrixCameraPtr createEmpty (void)
 create an empty new instance of the class, do not copy the prototype

Static Public Attributes

static const osg::BitVector ProjectionMatrixFieldMask
static const osg::BitVector ModelviewMatrixFieldMask
static const osg::BitVector MTInfluenceMask
static const osg::BitVector BeaconFieldMask
static const osg::BitVector NearFieldMask
static const osg::BitVector FarFieldMask
static const BitVector AttachmentsFieldMask
static const BitVector NextFieldMask

Protected Member Functions

Constructors
* MatrixCamera (void)
 MatrixCamera (const MatrixCamera &source)
Destructors
*virtual ~MatrixCamera (void)
Sync
*void executeSyncImpl (MatrixCameraBase *pOther, const BitVector &whichField)
virtual void executeSync (FieldContainer &other, const BitVector &whichField)
Sync
*void executeSyncImpl (CameraBase *pOther, const BitVector &whichField)

Protected Attributes

Fields
*SFMatrix _sfProjectionMatrix
SFMatrix _sfModelviewMatrix
Fields
*SFNodePtr _sfBeacon
SFReal32 _sfNear
SFReal32 _sfFar

Private Types

typedef MatrixCameraBase Inherited

Private Member Functions

void operator= (const MatrixCamera &source)

Static Private Member Functions

static void initMethod (void)

Friends

class FieldContainer
class MatrixCameraBase

Detailed Description

The Matrix Camera class, see Matrix Camera for a description.

The used matrices are stored in the _sfModelviewMatrix and _sfProjectionMatrix Fields.

Definition at line 60 of file OSGMatrixCamera.h.

Member Typedef Documentation

typedef MatrixCameraBase osg::MatrixCamera::Inherited [private]
 

Reimplemented from osg::MatrixCameraBase.

Definition at line 121 of file OSGMatrixCamera.h.

typedef MatrixCameraPtr osg::MatrixCameraBase::Ptr [inherited]
 

Reimplemented from osg::CameraBase.

Definition at line 91 of file OSGMatrixCameraBase.h.

Member Enumeration Documentation

anonymous enum [inherited]
 

Enumerator:
ProjectionMatrixFieldId 
ModelviewMatrixFieldId 
NextFieldId 

Reimplemented from osg::CameraBase.

Definition at line 93 of file OSGMatrixCameraBase.h.

00094     {
00095         ProjectionMatrixFieldId = Inherited::NextFieldId,
00096         ModelviewMatrixFieldId  = ProjectionMatrixFieldId + 1,
00097         NextFieldId             = ModelviewMatrixFieldId  + 1
00098     };

Constructor & Destructor Documentation

MatrixCamera::MatrixCamera (  void   )  [protected]
 

Definition at line 88 of file OSGMatrixCamera.cpp.

00088                                :
00089     Inherited()
00090 {
00091 }

MatrixCamera::MatrixCamera (  const MatrixCamera &  source  )  [protected]
 

Definition at line 93 of file OSGMatrixCamera.cpp.

00093                                                      :
00094     Inherited(source)
00095 {
00096 }

MatrixCamera::~MatrixCamera (  void   )  [protected, virtual]
 

Definition at line 98 of file OSGMatrixCamera.cpp.

00099 {
00100 }

Member Function Documentation

* static const char* osg::MatrixCamera::getClassname (  void   )  [inline, static]
 

Reimplemented from osg::Camera.

Definition at line 70 of file OSGMatrixCamera.h.

00070 { return "MatrixCamera"; };

void MatrixCamera::changed (  BitVector  whichField,
UInt32  origin
)  [virtual]
 

Reimplemented from osg::Camera.

Definition at line 102 of file OSGMatrixCamera.cpp.

References osg::Camera::changed().

00103 {
00104     Inherited::changed(whichField, origin);
00105 }

void MatrixCamera::draw (  DrawAction *  action,
const Viewport &  port
)  [virtual]
 

Draw the camera's geometry (if any). Usually there is none.

Reimplemented from osg::Camera.

Definition at line 115 of file OSGMatrixCamera.cpp.

00117 {
00118 }

void MatrixCamera::getProjection (  Matrix &  result,
UInt32  width,
UInt32  height
)  [virtual]
 

Get/calculate the projection matrix for this camera.

Reimplemented from osg::Camera.

Definition at line 120 of file OSGMatrixCamera.cpp.

References osg::MatrixCameraBase::getProjectionMatrix().

00122 {
00123     result = getProjectionMatrix();
00124 }

void MatrixCamera::getViewing (  Matrix &  result,
UInt32  width,
UInt32  height
)  [virtual]
 

Get/calculate the viewing matrix for this camera. This is the inverse of the beacon's toWorld transformation.

Reimplemented from osg::Camera.

Definition at line 126 of file OSGMatrixCamera.cpp.

References osg::MatrixCameraBase::getModelviewMatrix().

00128 {
00129     result = getModelviewMatrix();
00130 }

void MatrixCamera::dump (  UInt32  uiIndent = 0,
const BitVector  bvFlags = 0
)  const [virtual]
 

Reimplemented from osg::Camera.

Definition at line 109 of file OSGMatrixCamera.cpp.

References SLOG.

00111 {
00112     SLOG << "Dump MatrixCamera NI" << std::endl;
00113 }

void MatrixCamera::initMethod (  void   )  [static, private]
 

Reimplemented from osg::Camera.

Definition at line 78 of file OSGMatrixCamera.cpp.

00079 {
00080 }

void osg::MatrixCamera::operator= (  const MatrixCamera &  source  )  [private]
 

osg::FieldContainerType & osg::MatrixCameraBase::getClassType (  void   )  [inline, static, inherited]
 

Reimplemented from osg::CameraBase.

Definition at line 58 of file OSGMatrixCameraBase.inl.

References osg::MatrixCameraBase::_type.

Referenced by osg::MatrixCameraBase::create().

00059 {
00060     return _type; 
00061 }

osg::UInt32 osg::MatrixCameraBase::getClassTypeId (  void   )  [inline, static, inherited]
 

Reimplemented from osg::CameraBase.

Definition at line 65 of file OSGMatrixCameraBase.inl.

References osg::MatrixCameraBase::_type, and osg::TypeBase::getId().

00066 {
00067     return _type.getId(); 
00068 }

FieldContainerType & MatrixCameraBase::getType (  void   )  [virtual, inherited]
 

Reimplemented from osg::CameraBase.

Definition at line 117 of file OSGMatrixCameraBase.cpp.

References osg::MatrixCameraBase::_type.

00118 {
00119     return _type; 
00120 }

const FieldContainerType & MatrixCameraBase::getType (  void   )  const [virtual, inherited]
 

Reimplemented from osg::CameraBase.

Definition at line 122 of file OSGMatrixCameraBase.cpp.

References osg::MatrixCameraBase::_type.

00123 {
00124     return _type;
00125 }

UInt32 MatrixCameraBase::getContainerSize (  void   )  const [virtual, inherited]
 

Reimplemented from osg::CameraBase.

Definition at line 137 of file OSGMatrixCameraBase.cpp.

00138 { 
00139     return sizeof(MatrixCamera); 
00140 }

SFMatrix * osg::MatrixCameraBase::getSFProjectionMatrix (  void   )  [inline, inherited]
 

Definition at line 101 of file OSGMatrixCameraBase.inl.

References osg::MatrixCameraBase::_sfProjectionMatrix.

00102 {
00103     return &_sfProjectionMatrix;
00104 }

SFMatrix * osg::MatrixCameraBase::getSFModelviewMatrix (  void   )  [inline, inherited]
 

Definition at line 108 of file OSGMatrixCameraBase.inl.

References osg::MatrixCameraBase::_sfModelviewMatrix.

00109 {
00110     return &_sfModelviewMatrix;
00111 }

Matrix & osg::MatrixCameraBase::getProjectionMatrix (  void   )  [inline, inherited]
 

Definition at line 116 of file OSGMatrixCameraBase.inl.

References osg::MatrixCameraBase::_sfProjectionMatrix, and osg::SField< FieldTypeT, fieldNameSpace >::getValue().

Referenced by getProjection().

00117 {
00118     return _sfProjectionMatrix.getValue();
00119 }

const Matrix & osg::MatrixCameraBase::getProjectionMatrix (  void   )  const [inline, inherited]
 

Definition at line 123 of file OSGMatrixCameraBase.inl.

References osg::MatrixCameraBase::_sfProjectionMatrix, and osg::SField< FieldTypeT, fieldNameSpace >::getValue().

00124 {
00125     return _sfProjectionMatrix.getValue();
00126 }

Matrix & osg::MatrixCameraBase::getModelviewMatrix (  void   )  [inline, inherited]
 

Definition at line 137 of file OSGMatrixCameraBase.inl.

References osg::MatrixCameraBase::_sfModelviewMatrix, and osg::SField< FieldTypeT, fieldNameSpace >::getValue().

Referenced by getViewing().

00138 {
00139     return _sfModelviewMatrix.getValue();
00140 }

const Matrix & osg::MatrixCameraBase::getModelviewMatrix (  void   )  const [inline, inherited]
 

Definition at line 144 of file OSGMatrixCameraBase.inl.

References osg::MatrixCameraBase::_sfModelviewMatrix, and osg::SField< FieldTypeT, fieldNameSpace >::getValue().

00145 {
00146     return _sfModelviewMatrix.getValue();
00147 }

void osg::MatrixCameraBase::setProjectionMatrix (  const Matrix &  value  )  [inline, inherited]
 

Definition at line 130 of file OSGMatrixCameraBase.inl.

References osg::MatrixCameraBase::_sfProjectionMatrix, and osg::SField< FieldTypeT, fieldNameSpace >::setValue().

00131 {
00132     _sfProjectionMatrix.setValue(value);
00133 }

void osg::MatrixCameraBase::setModelviewMatrix (  const Matrix &  value  )  [inline, inherited]
 

Definition at line 151 of file OSGMatrixCameraBase.inl.

References osg::MatrixCameraBase::_sfModelviewMatrix, and osg::SField< FieldTypeT, fieldNameSpace >::setValue().

00152 {
00153     _sfModelviewMatrix.setValue(value);
00154 }

UInt32 MatrixCameraBase::getBinSize (  const BitVector &  whichField  )  [virtual, inherited]
 

Reimplemented from osg::CameraBase.

Definition at line 201 of file OSGMatrixCameraBase.cpp.

References osg::MatrixCameraBase::_sfModelviewMatrix, osg::MatrixCameraBase::_sfProjectionMatrix, osg::SField< FieldTypeT, fieldNameSpace >::getBinSize(), osg::CameraBase::getBinSize(), osg::MatrixCameraBase::ModelviewMatrixFieldMask, osg::FieldBits::NoField, and osg::MatrixCameraBase::ProjectionMatrixFieldMask.

00202 {
00203     UInt32 returnValue = Inherited::getBinSize(whichField);
00204 
00205     if(FieldBits::NoField != (ProjectionMatrixFieldMask & whichField))
00206     {
00207         returnValue += _sfProjectionMatrix.getBinSize();
00208     }
00209 
00210     if(FieldBits::NoField != (ModelviewMatrixFieldMask & whichField))
00211     {
00212         returnValue += _sfModelviewMatrix.getBinSize();
00213     }
00214 
00215 
00216     return returnValue;
00217 }

void MatrixCameraBase::copyToBin (  BinaryDataHandler &  pMem,
const BitVector &  whichField
)  [virtual, inherited]
 

Reimplemented from osg::CameraBase.

Definition at line 219 of file OSGMatrixCameraBase.cpp.

References osg::MatrixCameraBase::_sfModelviewMatrix, osg::MatrixCameraBase::_sfProjectionMatrix, osg::SField< FieldTypeT, fieldNameSpace >::copyToBin(), osg::CameraBase::copyToBin(), osg::MatrixCameraBase::ModelviewMatrixFieldMask, osg::FieldBits::NoField, and osg::MatrixCameraBase::ProjectionMatrixFieldMask.

00221 {
00222     Inherited::copyToBin(pMem, whichField);
00223 
00224     if(FieldBits::NoField != (ProjectionMatrixFieldMask & whichField))
00225     {
00226         _sfProjectionMatrix.copyToBin(pMem);
00227     }
00228 
00229     if(FieldBits::NoField != (ModelviewMatrixFieldMask & whichField))
00230     {
00231         _sfModelviewMatrix.copyToBin(pMem);
00232     }
00233 
00234 
00235 }

void MatrixCameraBase::copyFromBin (  BinaryDataHandler &  pMem,
const BitVector &  whichField
)  [virtual, inherited]
 

Reimplemented from osg::CameraBase.

Definition at line 237 of file OSGMatrixCameraBase.cpp.

References osg::MatrixCameraBase::_sfModelviewMatrix, osg::MatrixCameraBase::_sfProjectionMatrix, osg::SField< FieldTypeT, fieldNameSpace >::copyFromBin(), osg::CameraBase::copyFromBin(), osg::MatrixCameraBase::ModelviewMatrixFieldMask, osg::FieldBits::NoField, and osg::MatrixCameraBase::ProjectionMatrixFieldMask.

00239 {
00240     Inherited::copyFromBin(pMem, whichField);
00241 
00242     if(FieldBits::NoField != (ProjectionMatrixFieldMask & whichField))
00243     {
00244         _sfProjectionMatrix.copyFromBin(pMem);
00245     }
00246 
00247     if(FieldBits::NoField != (ModelviewMatrixFieldMask & whichField))
00248     {
00249         _sfModelviewMatrix.copyFromBin(pMem);
00250     }
00251 
00252 
00253 }

MatrixCameraPtr osg::MatrixCameraBase::create (  void   )  [inline, static, inherited]
 

Definition at line 72 of file OSGMatrixCameraBase.inl.

References osg::AttachmentContainerPtr::dcast(), osg::MatrixCameraBase::getClassType(), osg::FieldContainerType::getPrototype(), osg::NullFC, and osg::MatrixCameraBase::shallowCopy().

Referenced by osg::DisplayCalibration::createCMViewports().

00073 {
00074     MatrixCameraPtr fc; 
00075 
00076     if(getClassType().getPrototype() != OSG::NullFC) 
00077     {
00078         fc = MatrixCameraPtr::dcast(
00079             getClassType().getPrototype()-> shallowCopy()); 
00080     }
00081     
00082     return fc; 
00083 }

MatrixCameraPtr osg::MatrixCameraBase::createEmpty (  void   )  [inline, static, inherited]
 

Definition at line 87 of file OSGMatrixCameraBase.inl.

References osg::FieldContainer::newPtr().

00088 { 
00089     MatrixCameraPtr returnValue; 
00090     
00091     newPtr(returnValue); 
00092 
00093     return returnValue; 
00094 }

FieldContainerPtr MatrixCameraBase::shallowCopy (  void   )  const [virtual, inherited]
 

Implements osg::FieldContainer.

Definition at line 128 of file OSGMatrixCameraBase.cpp.

References osg::FieldContainer::newPtr().

Referenced by osg::MatrixCameraBase::create().

00129 { 
00130     MatrixCameraPtr returnValue; 
00131 
00132     newPtr(returnValue, dynamic_cast<const MatrixCamera *>(this)); 
00133 
00134     return returnValue; 
00135 }

void MatrixCameraBase::executeSyncImpl (  MatrixCameraBase *  pOther,
const BitVector &  whichField
)  [protected, inherited]
 

Definition at line 256 of file OSGMatrixCameraBase.cpp.

References osg::MatrixCameraBase::_sfModelviewMatrix, osg::MatrixCameraBase::_sfProjectionMatrix, osg::CameraBase::executeSyncImpl(), osg::MatrixCameraBase::ModelviewMatrixFieldMask, osg::FieldBits::NoField, osg::MatrixCameraBase::ProjectionMatrixFieldMask, and osg::SField< FieldTypeT, fieldNameSpace >::syncWith().

Referenced by osg::MatrixCameraBase::executeSync().

00258 {
00259 
00260     Inherited::executeSyncImpl(pOther, whichField);
00261 
00262     if(FieldBits::NoField != (ProjectionMatrixFieldMask & whichField))
00263         _sfProjectionMatrix.syncWith(pOther->_sfProjectionMatrix);
00264 
00265     if(FieldBits::NoField != (ModelviewMatrixFieldMask & whichField))
00266         _sfModelviewMatrix.syncWith(pOther->_sfModelviewMatrix);
00267 
00268 
00269 }

void CameraBase::executeSyncImpl (  CameraBase *  pOther,
const BitVector &  whichField
)  [protected, inherited]
 

Definition at line 275 of file OSGCameraBase.cpp.

References osg::CameraBase::_sfBeacon, osg::CameraBase::_sfFar, osg::CameraBase::_sfNear, osg::CameraBase::BeaconFieldMask, osg::AttachmentContainer::executeSyncImpl(), osg::CameraBase::FarFieldMask, osg::CameraBase::NearFieldMask, osg::FieldBits::NoField, and osg::SField< FieldTypeT, fieldNameSpace >::syncWith().

Referenced by osg::CameraBase::executeSync(), osg::PerspectiveCameraBase::executeSyncImpl(), osg::MatrixCameraBase::executeSyncImpl(), and osg::CameraDecoratorBase::executeSyncImpl().

00277 {
00278 
00279     Inherited::executeSyncImpl(pOther, whichField);
00280 
00281     if(FieldBits::NoField != (BeaconFieldMask & whichField))
00282         _sfBeacon.syncWith(pOther->_sfBeacon);
00283 
00284     if(FieldBits::NoField != (NearFieldMask & whichField))
00285         _sfNear.syncWith(pOther->_sfNear);
00286 
00287     if(FieldBits::NoField != (FarFieldMask & whichField))
00288         _sfFar.syncWith(pOther->_sfFar);
00289 
00290 
00291 }

void AttachmentContainer::executeSyncImpl (  AttachmentContainer *  pOther,
const BitVector &  whichField
)  [protected, inherited]
 

Definition at line 316 of file OSGAttachmentContainer.cpp.

References osg::AttachmentContainer::_attachmentMap, osg::AttachmentContainer::AttachmentsFieldMask, osg::FieldContainer::executeSyncImpl(), osg::FieldBits::NoField, and osg::SField< FieldTypeT, fieldNameSpace >::syncWith().

Referenced by osg::AttachmentContainer::executeSync(), osg::WindowBase::executeSyncImpl(), osg::ViewportBase::executeSyncImpl(), osg::ShaderParameterBase::executeSyncImpl(), osg::Node::executeSyncImpl(), osg::NodeCore::executeSyncImpl(), osg::MaterialBase::executeSyncImpl(), osg::ImageComposerBase::executeSyncImpl(), osg::ImageBase::executeSyncImpl(), osg::ForegroundBase::executeSyncImpl(), osg::DisplayCalibrationBase::executeSyncImpl(), osg::CameraBase::executeSyncImpl(), and osg::BackgroundBase::executeSyncImpl().

00319 {
00320     Inherited::executeSyncImpl(pOther, whichField);
00321 
00322     if (FieldBits::NoField != (AttachmentsFieldMask & whichField))
00323     {
00324         _attachmentMap.syncWith(pOther->_attachmentMap);
00325     }
00326 }

void osg::FieldContainer::executeSyncImpl (  FieldContainer *  pOther,
const BitVector &  whichField
)  [inline, protected, inherited]
 

Definition at line 333 of file OSGFieldContainerImpl.inl.

Referenced by osg::StateBase::executeSyncImpl(), osg::DVRShaderBase::executeSyncImpl(), osg::DVRClipGeometryBase::executeSyncImpl(), osg::AttachmentContainer::executeSyncImpl(), and osg::Attachment::executeSyncImpl().

00335 {
00336 }

void MatrixCameraBase::executeSync (  FieldContainer &  other,
const BitVector &  whichField
)  [protected, virtual, inherited]
 

Reimplemented from osg::CameraBase.

Definition at line 144 of file OSGMatrixCameraBase.cpp.

References osg::MatrixCameraBase::executeSyncImpl().

00146 {
00147     this->executeSyncImpl((MatrixCameraBase *) &other, whichField);
00148 }

void Camera::setup (  DrawActionBase *  action,
const Viewport &  port
)  [virtual, inherited]
 

Setup OpenGL for rendering, call all the necessary commands to start rendering with this camera.

Definition at line 109 of file OSGCamera.cpp.

References osg::Viewport::getPixelHeight(), osg::Viewport::getPixelWidth(), osg::Camera::getProjection(), osg::Camera::getProjectionTranslation(), osg::TransformationMatrix< ValueTypeT >::getValues(), osg::Camera::getViewing(), and osg::TransformationMatrix< ValueTypeT >::mult().

00111 {
00112     Matrix m, t;
00113 
00114     // set the projection
00115 
00116     getProjection           ( m, port.getPixelWidth(), port.getPixelHeight() );
00117     getProjectionTranslation( t, port.getPixelWidth(), port.getPixelHeight() );
00118 
00119     m.mult(t);
00120 
00121     //SDEBUG << "Projection matrix: " << m << std::endl;
00122 
00123     glMatrixMode( GL_PROJECTION );
00124     glLoadMatrixf( m.getValues() );
00125 
00126     // set the viewing
00127 
00128     getViewing( m, port.getPixelWidth(), port.getPixelHeight() );
00129 
00130     //SDEBUG << "Viewing matrix: " << m << std::endl;
00131     
00132     glMatrixMode( GL_MODELVIEW );
00133     glLoadMatrixf( m.getValues() );
00134 }

void Camera::setupProjection (  DrawActionBase *  action,
const Viewport &  port
)  [virtual, inherited]
 

Setup OpenGL projection for rendering.

Definition at line 138 of file OSGCamera.cpp.

References osg::Viewport::getPixelHeight(), osg::Viewport::getPixelWidth(), osg::Camera::getProjection(), osg::Camera::getProjectionTranslation(), osg::TransformationMatrix< ValueTypeT >::getValues(), and osg::TransformationMatrix< ValueTypeT >::mult().

Referenced by osg::RenderAction::start().

00140 {
00141     Matrix m, t;
00142 
00143     // set the projection
00144 
00145     getProjection           ( m, port.getPixelWidth(), port.getPixelHeight() );
00146     getProjectionTranslation( t, port.getPixelWidth(), port.getPixelHeight() );
00147 
00148     m.mult(t);
00149 
00150     //SDEBUG << "Projection matrix: " << m << std::endl;
00151 
00152     glMatrixMode( GL_PROJECTION );
00153     glLoadMatrixf( m.getValues() );
00154 }

void Camera::getProjectionTranslation (  Matrix &  result,
UInt32  width,
UInt32  height
)  [virtual, inherited]
 

Get/calculate the projection translation matrix for this camera. The default is identity.

Reimplemented in osg::CameraDecorator, osg::MatrixCameraDecorator, and osg::ProjectionCameraDecorator.

Definition at line 176 of file OSGCamera.cpp.

References osg::TransformationMatrix< ValueTypeT >::setIdentity().

Referenced by osg::Camera::calcViewRay(), osg::SkyBackground::clear(), osg::DVRIsoShader::getCoveredScreenRect(), osg::Camera::getFrustum(), osg::Camera::getWorldToScreen(), osg::Camera::setup(), and osg::Camera::setupProjection().

00179 {
00180     result.setIdentity();
00181 }

void Camera::getFrustum (  FrustumVolume &  result,
const Viewport &  p
)  [virtual, inherited]
 

Calculate the frustum of this camera's visible area.

Definition at line 202 of file OSGCamera.cpp.

References osg::Viewport::getPixelHeight(), osg::Viewport::getPixelWidth(), osg::Camera::getProjection(), osg::Camera::getProjectionTranslation(), osg::Camera::getViewing(), osg::TransformationMatrix< ValueTypeT >::mult(), and osg::FrustumVolume::setPlanes().

Referenced by osg::DrawActionBase::start().

00203 {
00204     Matrix mv,prt,pr;
00205     
00206     getProjection           (pr , p.getPixelWidth(), p.getPixelHeight());
00207     getProjectionTra