makVrv::DtOsgTerrainPatchObject Class Reference

A DtOsgTerrainPatchObject contains the methods for loading a file as a terrain. More...

Inheritance diagram for makVrv::DtOsgTerrainPatchObject:

List of all members.

Classes
struct	ExtractedNode
Public Member Functions
	DtOsgTerrainPatchObject (DtDe &de, DtUniqueID id)
	CTOR.
virtual	~DtOsgTerrainPatchObject ()
	DTOR.
virtual void	setTerrainDefinition (const std::string &modelDefinitionName)
	Distributed methods:
virtual void	enableOverlay (int type, const std::string &definition)
	Enable specified overlay with specified definition.
virtual void	disableOverlay (int type)
	Disable specified overlay.
virtual void	disableAllOverlays ()
	Disable all overlays.
virtual void	setOverlayScale (int type, double x, double y)
	Set scale of specified overlay.
virtual void	setWrapMode (int type, int)
	Set wrap mode of specified overlay. Default is REPEAT.
virtual void	setBlendMode (int type, int)
	Set blend mode of specified overlay. Default is MODULATE.
virtual void	setOverlayOffset (int type, double x, double y)
	Set offset of specified overlay.
virtual void	setLayerEnabled (const std::string &rule, bool status)
	Toggle layers on or off by rule regexp.
virtual void	setRasterLayerPosition (int type, int pos)
	Sets the position of the raster layer to draw.
virtual std::string	overlayDefinition (int type)
	Local functions.
virtual std::vector< double >	overlayScale (int type)
	Non bound methods:
virtual std::vector< double >	overlayOffset (int type)
	Non bound methods:
virtual DtTerrainOverlayOperation	defaultOverlay (int type)
	Non bound methods:
virtual DtTerrainOverlayOperation	currentOverlay (int type)
	Non bound methods:
virtual void	getTerrainExtents (DtVector &nw, DtVector &ne, DtVector &sw, DtVector &se) const
	Return the corners of the terrain, useful for calculating draping parameters.
virtual DtVector	getDatabaseOrigin () const
	Return the origin of the database in database coordinates.
virtual void	getBoundingBoxCenter (float &x, float &y, float &z) const
	Get the bounding box center of the terrain patch.
osg::Group *	terrainGroupNode ()
virtual void	extractNodes (const std::string &ruleset, bool isRegEx)
	Move nodes via a ruleset.
virtual int	countNodes (const std::string &rule) const
	Count nodes via a rule.
virtual bool	getExtractedNodePosition (const std::string &rule, unsigned int index, double &x, double &y, double &z) const
	Get the extracted node position.
virtual bool	getExtractedNodeOrientation (const std::string &rule, unsigned int index, double &x, double &y, double &z, double &w) const
	Get the extracted node orientation.
virtual void	moveNode (DtSceneObject *object, DtModel *model, const std::string &rule, unsigned int index)
	Moves a node to the model and sets the location of an object by its location.
virtual osg::Node *	findNode (const std::string &rule, unsigned int index)
	Get a particular node found with a rule & it's index.
virtual bool	isGlobalScaleTerrain () const
	Get if the terrain patch is a global scale.
virtual bool	getTerrainIntersection (double x, double y, double z, double vx, double vy, double vz, double &retX, double &retY, double &retZ)
	Get a terrain intersection.
virtual void	clearElevationCache ()
	If the patch object is using an elevation cache, clear it (otherwise do nothing).
bool	isOsgEarth () const
Protected Types
typedef std::vector < ExtractedNode >	NodeList
typedef std::map< std::string, NodeList >	ExtractedNodeListMap
Protected Member Functions
void	removeChildNodesAndCache ()
	Unload the terrain.
void	removeEmptyParent (osg::Node *node)
void	updateBounds ()
virtual bool	getElevation (double lonRadians, double latRadians, double &retElevation)
	get an osg earth elevation
Static Protected Member Functions
static void	graphBoundingBox (const osg::Node *node, osg::BoundingBox &bbox)
Protected Attributes
osg::ref_ptr< DtTerrainPatchGroup >	myRoot
	The OSG Hierarchy starts with myRoot and has one child: myTerrainGroup.
osg::ref_ptr< DtFastGroup >	myTerrainGroup
	The myTerrainGroup node holds all the terrain polygons except for reforested trees.
osgEarth::Util::ElevationManager *	myElevationManager
osgEarth::MapNode *	myMapNode
ExtractedNodeListMap	myExtractedNodes
DtOsgTerrainOverlayManager	myOverlayManager
bool	myGlobalFlag
Private Member Functions
	DtOsgTerrainPatchObject (const DtOsgTerrainPatchObject &)
	Not implemented.
DtOsgTerrainPatchObject &	operator= (const DtOsgTerrainPatchObject &)

---

Detailed Description

A DtOsgTerrainPatchObject contains the methods for loading a file as a terrain.

When loading a file as a terrain certain post processing steps can be taken. For example, the static trees can be extracted and replaced by dynamically generated trees.

---

Member Typedef Documentation

typedef std::vector<ExtractedNode> makVrv::DtOsgTerrainPatchObject::NodeList [protected]

typedef std::map<std::string, NodeList > makVrv::DtOsgTerrainPatchObject::ExtractedNodeListMap [protected]

---

Constructor & Destructor Documentation

makVrv::DtOsgTerrainPatchObject::DtOsgTerrainPatchObject	(	DtDe &	de,
		DtUniqueID	id
	)

CTOR.

virtual makVrv::DtOsgTerrainPatchObject::~DtOsgTerrainPatchObject

(

)

[virtual]

DTOR.

makVrv::DtOsgTerrainPatchObject::DtOsgTerrainPatchObject

(

const DtOsgTerrainPatchObject &

)

[private]

Not implemented.

---

Member Function Documentation

virtual void makVrv::DtOsgTerrainPatchObject::setTerrainDefinition

(

const std::string &

modelDefinitionName

)

[virtual]

Distributed methods:

The model definition will be loaded and post processing will occur.

Reimplemented from makVrv::DtTerrainPatchObject.

virtual void makVrv::DtOsgTerrainPatchObject::enableOverlay	(	int	type,
		const std::string &	definition
	)		[virtual]

Enable specified overlay with specified definition.

Implements makVrv::DtTerrainPatchObject.

virtual void makVrv::DtOsgTerrainPatchObject::disableOverlay

(

int

type

)

[virtual]

Disable specified overlay.

Implements makVrv::DtTerrainPatchObject.

virtual void makVrv::DtOsgTerrainPatchObject::disableAllOverlays

(

)

[virtual]

Disable all overlays.

Implements makVrv::DtTerrainPatchObject.

virtual void makVrv::DtOsgTerrainPatchObject::setOverlayScale	(	int	type,
		double	x,
		double	y
	)		[virtual]

Set scale of specified overlay.

Implements makVrv::DtTerrainPatchObject.

virtual void makVrv::DtOsgTerrainPatchObject::setWrapMode	(	int	type,
		int
	)		[virtual]

Set wrap mode of specified overlay. Default is REPEAT.

Implements makVrv::DtTerrainPatchObject.

virtual void makVrv::DtOsgTerrainPatchObject::setBlendMode	(	int	type,
		int
	)		[virtual]

Set blend mode of specified overlay. Default is MODULATE.

Implements makVrv::DtTerrainPatchObject.

virtual void makVrv::DtOsgTerrainPatchObject::setOverlayOffset	(	int	type,
		double	x,
		double	y
	)		[virtual]

Set offset of specified overlay.

Implements makVrv::DtTerrainPatchObject.

virtual void makVrv::DtOsgTerrainPatchObject::setLayerEnabled	(	const std::string &	rule,
		bool	status
	)		[virtual]

Toggle layers on or off by rule regexp.

Implements makVrv::DtTerrainPatchObject.

virtual void makVrv::DtOsgTerrainPatchObject::setRasterLayerPosition	(	int	type,
		int	pos
	)		[virtual]

Sets the position of the raster layer to draw.

Implements makVrv::DtTerrainPatchObject.

virtual std::string makVrv::DtOsgTerrainPatchObject::overlayDefinition

(

int

type

)

[virtual]

Local functions.

Implements makVrv::DtTerrainPatchObject.

virtual std::vector<double> makVrv::DtOsgTerrainPatchObject::overlayScale

(

int

type

)

[virtual]

Non bound methods:

Implements makVrv::DtTerrainPatchObject.

virtual std::vector<double> makVrv::DtOsgTerrainPatchObject::overlayOffset

(

int

type

)

[virtual]

Non bound methods:

Implements makVrv::DtTerrainPatchObject.

virtual DtTerrainOverlayOperation makVrv::DtOsgTerrainPatchObject::defaultOverlay

(

int

type

)

[virtual]

Non bound methods:

Implements makVrv::DtTerrainPatchObject.

virtual DtTerrainOverlayOperation makVrv::DtOsgTerrainPatchObject::currentOverlay

(

int

type

)

[virtual]

Non bound methods:

Implements makVrv::DtTerrainPatchObject.

virtual void makVrv::DtOsgTerrainPatchObject::getTerrainExtents	(	DtVector &	nw,
		DtVector &	ne,
		DtVector &	sw,
		DtVector &	se
	)		const [virtual]

Return the corners of the terrain, useful for calculating draping parameters.

Implements makVrv::DtTerrainPatchObject.

virtual DtVector makVrv::DtOsgTerrainPatchObject::getDatabaseOrigin

(

)

const [virtual]

Return the origin of the database in database coordinates.

Implements makVrv::DtTerrainPatchObject.

virtual void makVrv::DtOsgTerrainPatchObject::getBoundingBoxCenter	(	float &	x,
		float &	y,
		float &	z
	)		const [virtual]

Get the bounding box center of the terrain patch.

osg::Group* makVrv::DtOsgTerrainPatchObject::terrainGroupNode

(

)

virtual void makVrv::DtOsgTerrainPatchObject::extractNodes	(	const std::string &	ruleset,
		bool	isRegEx
	)		[virtual]

Move nodes via a ruleset.

Implements makVrv::DtTerrainPatchObject.

virtual int makVrv::DtOsgTerrainPatchObject::countNodes

(

const std::string &

rule

)

const [virtual]

Count nodes via a rule.

This checks the current terrain contents without modifying it.

Implements makVrv::DtTerrainPatchObject.

virtual bool makVrv::DtOsgTerrainPatchObject::getExtractedNodePosition	(	const std::string &	rule,
		unsigned int	index,
		double &	x,
		double &	y,
		double &	z
	)		const [virtual]

Get the extracted node position.

Return values:

false

if the node is not found.

Implements makVrv::DtTerrainPatchObject.

virtual bool makVrv::DtOsgTerrainPatchObject::getExtractedNodeOrientation	(	const std::string &	rule,
		unsigned int	index,
		double &	x,
		double &	y,
		double &	z,
		double &	w
	)		const [virtual]

Get the extracted node orientation.

Return values:

false

if the node is not found.

Implements makVrv::DtTerrainPatchObject.

virtual void makVrv::DtOsgTerrainPatchObject::moveNode	(	DtSceneObject *	object,
		DtModel *	model,
		const std::string &	rule,
		unsigned int	index
	)		[virtual]

Moves a node to the model and sets the location of an object by its location.

Implements makVrv::DtTerrainPatchObject.

virtual osg::Node* makVrv::DtOsgTerrainPatchObject::findNode	(	const std::string &	rule,
		unsigned int	index
	)		[virtual]

Get a particular node found with a rule & it's index.

virtual bool makVrv::DtOsgTerrainPatchObject::isGlobalScaleTerrain

(

)

const [virtual]

Get if the terrain patch is a global scale.

Implements makVrv::DtTerrainPatchObject.

virtual bool makVrv::DtOsgTerrainPatchObject::getTerrainIntersection	(	double	x,
		double	y,
		double	z,
		double	vx,
		double	vy,
		double	vz,
		double &	retX,
		double &	retY,
		double &	retZ
	)		[virtual]

Get a terrain intersection.

Implements makVrv::DtTerrainPatchObject.

virtual void makVrv::DtOsgTerrainPatchObject::clearElevationCache

(

)

[virtual]

If the patch object is using an elevation cache, clear it (otherwise do nothing).

Use after making a large number of successive calls, such as while extracting props from a shape file

Implements makVrv::DtTerrainPatchObject.

bool makVrv::DtOsgTerrainPatchObject::isOsgEarth

(

)

const [inline]

DtOsgTerrainPatchObject& makVrv::DtOsgTerrainPatchObject::operator=

(

const DtOsgTerrainPatchObject &

)

[private]

void makVrv::DtOsgTerrainPatchObject::removeChildNodesAndCache

(

)

[protected]

Unload the terrain.

static void makVrv::DtOsgTerrainPatchObject::graphBoundingBox	(	const osg::Node *	node,
		osg::BoundingBox &	bbox
	)		[static, protected]

void makVrv::DtOsgTerrainPatchObject::removeEmptyParent

(

osg::Node *

node

)

[protected]

void makVrv::DtOsgTerrainPatchObject::updateBounds

(

)

[protected]

virtual bool makVrv::DtOsgTerrainPatchObject::getElevation	(	double	lonRadians,
		double	latRadians,
		double &	retElevation
	)		[protected, virtual]

get an osg earth elevation

---

Member Data Documentation

osg::ref_ptr<DtTerrainPatchGroup> makVrv::DtOsgTerrainPatchObject::myRoot [protected]

The OSG Hierarchy starts with myRoot and has one child: myTerrainGroup.

osg::ref_ptr<DtFastGroup> makVrv::DtOsgTerrainPatchObject::myTerrainGroup [protected]

The myTerrainGroup node holds all the terrain polygons except for reforested trees.

osgEarth::Util::ElevationManager* makVrv::DtOsgTerrainPatchObject::myElevationManager [protected]

osgEarth::MapNode* makVrv::DtOsgTerrainPatchObject::myMapNode [protected]

ExtractedNodeListMap makVrv::DtOsgTerrainPatchObject::myExtractedNodes [protected]

DtOsgTerrainOverlayManager makVrv::DtOsgTerrainPatchObject::myOverlayManager [protected]

bool makVrv::DtOsgTerrainPatchObject::myGlobalFlag [protected]

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

• include/vrvOsg/DtOsgTerrainPatchObject.h