BIAS::OpenSceneGraphHelper Class Reference

Utility class for using OpenSceneGraph. More...

#include <GLviewer/OpenSceneGraphHelper.hh>

Public Member Functions
	OpenSceneGraphHelper ()
	~OpenSceneGraphHelper ()

Static Public Member Functions
static bool	AddOrSetInfo (osg::ref_ptr< osg::Node > node, const std::string &key, const std::string &value)
	Adds or sets information to the node. More...
static bool	AdjustImageSizeToGPULimit (BIAS::Image< unsigned char > &tex)
	checks max texture size and adjusts More...
static bool	BIAS2OSGMatrix (const BIAS::Matrix4x4< double > &BiasMat, osg::Matrixd &OsgMat)
static bool	BIASimageToOSGimage (const BIAS::Image< unsigned char > &in, osg::Image *out, bool copydata)
	conversion function More...
static osg::Node *	CreateBranchIndexedFaceSets (const BIAS::TriangleMesh &mesh, const std::string &name)
	this is the new method which takes a triangle mesh and creates an osg branch avoiding the copying into ThreeDOut. More...
static void	DumpInfo (const osg::ref_ptr< osg::Node > node)
	Prints the content of the info associated with node to cout. More...
static std::vector < osg::ref_ptr< osg::Node > >	FindNodesWithInfo (const osg::ref_ptr< osg::Node > node, const std::string &key)
	Returns a vector of all nodes containing an info characterised by key. More...
static osg::ref_ptr< osg::Node >	FindNodeWithInfo (const osg::ref_ptr< osg::Node > node, const std::string &key, const std::string &value)
	Finds a node downwards of node who has a matching key value pair. More...
static void	GetInfo (const osg::ref_ptr< osg::Node > node, std::map< std::string, std::string > &key_val)
	returns the associated info as key_value pairs More...
static bool	HasInfo (const osg::ref_ptr< osg::Node > node, const std::string &key, std::string &value)
	Checks if the node contains additional information in form of a key value pair. More...
static bool	OSG2BIASMatrix (const osg::Matrixd &OsgMat, BIAS::Matrix4x4< double > &BiasMat)
static bool	OSGimageToBIASimage (const osg::Image *in, BIAS::Image< unsigned char > &out)
static bool	RemoveInfo (osg::ref_ptr< osg::Node > node, const std::string &key)
	Removes key value pair from node. More...

Static Protected Member Functions
static void	FindNodesWithInfoHelper_ (const osg::ref_ptr< osg::Node > CurrentNode, const std::string &key, std::vector< osg::ref_ptr< osg::Node > > &result)
	helper function for FindNodesWithInfo More...

Detailed Description

Utility class for using OpenSceneGraph.

Author

MIP

Definition at line 41 of file OpenSceneGraphHelper.hh.

Constructor & Destructor Documentation

BIAS::OpenSceneGraphHelper::OpenSceneGraphHelper ( )

inline

Definition at line 43 of file OpenSceneGraphHelper.hh.

BIAS::OpenSceneGraphHelper::~OpenSceneGraphHelper ( )

inline

Definition at line 44 of file OpenSceneGraphHelper.hh.

Member Function Documentation

bool OpenSceneGraphHelper::AddOrSetInfo ( osg::ref_ptr< osg::Node >  node, const std::string &  key, const std::string &  value  )

static

Adds or sets information to the node.

Returns false if info is overwritten. Throws an exception when node is NULL.

Author

woelk 11/2009

Definition at line 410 of file OpenSceneGraphHelper.cpp.

Referenced by BIAS::SceneOpenSceneGraph::AppendSubTreeFromFile(), BIAS::SceneOpenSceneGraph::AppendSubTreeFromImageFile(), BIAS::SceneOpenSceneGraph::AppendSubTreeSwitch(), BIAS::SceneOpenSceneGraph::SetNodeMarkerID(), BIAS::SceneOpenSceneGraph::SetNodeOccluder(), and BIAS::SceneOpenSceneGraph::SetNodeVisible().

bool OpenSceneGraphHelper::AdjustImageSizeToGPULimit ( BIAS::Image< unsigned char > &  tex )

static

checks max texture size and adjusts

swap current and next indeces

Definition at line 299 of file OpenSceneGraphHelper.cpp.

References BIAS::Rescale< InputStorageType, OutputStorageType >::DownsampleBy2(), BIAS::ImageBase::GetChannelCount(), BIAS::ImageBase::GetHeight(), and BIAS::ImageBase::GetWidth().

bool OpenSceneGraphHelper::BIAS2OSGMatrix ( const BIAS::Matrix4x4< double > &  BiasMat, osg::Matrixd &  OsgMat  )

static

Definition at line 282 of file OpenSceneGraphHelper.cpp.

References BIAS::Matrix< T >::GetData().

bool OpenSceneGraphHelper::BIASimageToOSGimage ( const BIAS::Image< unsigned char > &  in, osg::Image *  out, bool  copydata  )

static

conversion function

Definition at line 32 of file OpenSceneGraphHelper.cpp.

References BIAS::ImageBase::GetChannelCount(), BIAS::ImageBase::GetHeight(), BIAS::Image< StorageType >::GetImageData(), and BIAS::ImageBase::GetWidth().

Referenced by BIAS::ThreeDOutOpenSceneGraph::AddOSGImage_(), and BIAS::ThreeDOutOpenSceneGraph::AddOSGIndexedFaceSets_().

osg::Node * OpenSceneGraphHelper::CreateBranchIndexedFaceSets ( const BIAS::TriangleMesh &  mesh, const std::string &  name  )

static

this is the new method which takes a triangle mesh and creates

an osg branch avoiding the copying into ThreeDOut.

Definition at line 157 of file OpenSceneGraphHelper.cpp.

References BIAS::TriangleMesh::GetTexCoordsRef(), BIAS::TriangleMesh::GetTextureRef(), BIAS::TriangleMesh::GetTriangleIndicesRef(), and BIAS::TriangleMesh::GetVerticesRef().

void OpenSceneGraphHelper::DumpInfo ( const osg::ref_ptr< osg::Node >  node )

static

Prints the content of the info associated with node to cout.

Definition at line 508 of file OpenSceneGraphHelper.cpp.

std::vector< osg::ref_ptr< osg::Node > > OpenSceneGraphHelper::FindNodesWithInfo ( const osg::ref_ptr< osg::Node >  node, const std::string &  key  )

static

Returns a vector of all nodes containing an info characterised by key.

The search is conducted starting by node and proceeding downwards of node.

Author

woelk 11/2009

Definition at line 476 of file OpenSceneGraphHelper.cpp.

void OpenSceneGraphHelper::FindNodesWithInfoHelper_ ( const osg::ref_ptr< osg::Node >  CurrentNode, const std::string &  key, std::vector< osg::ref_ptr< osg::Node > > &  result  )

staticprotected

helper function for FindNodesWithInfo

Definition at line 486 of file OpenSceneGraphHelper.cpp.

osg::ref_ptr< osg::Node > OpenSceneGraphHelper::FindNodeWithInfo ( const osg::ref_ptr< osg::Node >  node, const std::string &  key, const std::string &  value  )

static

Finds a node downwards of node who has a matching key value pair.

Returns NULL if no node with a matching key value pair is found. Throws an exception when node is NULL.

Author

woelk 11/2009

Definition at line 451 of file OpenSceneGraphHelper.cpp.

void OpenSceneGraphHelper::GetInfo ( const osg::ref_ptr< osg::Node >  node, std::map< std::string, std::string > &  key_val  )

static

returns the associated info as key_value pairs

Definition at line 431 of file OpenSceneGraphHelper.cpp.

bool OpenSceneGraphHelper::HasInfo ( const osg::ref_ptr< osg::Node >  node, const std::string &  key, std::string &  value  )

static

Checks if the node contains additional information in form of a key value pair.

Throws an exception when node is NULL.

Author

woelk 11/2009

Definition at line 374 of file OpenSceneGraphHelper.cpp.

Referenced by BIAS::GetNodeType(), and BIAS::SceneOpenSceneGraph::IsEditableNode().

bool OpenSceneGraphHelper::OSG2BIASMatrix ( const osg::Matrixd &  OsgMat, BIAS::Matrix4x4< double > &  BiasMat  )

static

Definition at line 266 of file OpenSceneGraphHelper.cpp.

References BIAS::Matrix< T >::GetData().

bool OpenSceneGraphHelper::OSGimageToBIASimage ( const osg::Image *  in, BIAS::Image< unsigned char > &  out  )

static

Definition at line 109 of file OpenSceneGraphHelper.cpp.

References BIAS::ImageBase::Flip(), BIAS::Image< StorageType >::GetImageData(), and BIAS::Image< StorageType >::Init().

bool OpenSceneGraphHelper::RemoveInfo ( osg::ref_ptr< osg::Node >  node, const std::string &  key  )

static

Removes key value pair from node.

Returns false if info was not contained in the node. Throws an exception when node is NULL.

Author

woelk 11/2009

Definition at line 392 of file OpenSceneGraphHelper.cpp.

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

• GLviewer/OpenSceneGraphHelper.hh
• GLviewer/OpenSceneGraphHelper.cpp