HeightMap Class Reference

#include <HeightMap.h>

Inherits HeightMapInterface.

Collaboration diagram for HeightMap:

[legend]

List of all members.

Public Member Functions
	HeightMap ()
	HeightMap (HeightMap *h)
virtual	~HeightMap ()
bool	setup (OSG::Real32 x0, OSG::Real32 y0, OSG::Real32 z0, OSG::Real32 xlen, OSG::Real32 ylen, int xSamples, int ySamples, bool filter=false)
bool	setup (OSG::NodePtr sampleMdl, int xSamples, int ySamples, bool filter=false)
bool	setup (const char *filename)
bool	generateHeightMap (OSG::NodePtr model)
bool	generateHeightMap (OSG::NodePtr model, int xSamples, int ySamples, int height, int zRot, bool filter=false)
void	dumpHeight (const char *filename, float *minHeight=NULL, float *maxHeight=NULL)
OSG::NodePtr	exportGeometry (char *filename, char *normalsArrowModelFile=NULL)
OSG::NodeCorePtr	makeGeometryPtr ()
void	adjustZ (float scale, float off)
bool	writeToFile (const char *filename)
void	writeToPPM (const char *filename, float scale, float off, bool findSelf)
void	setGaussFilterCoefficients (float smoothness, float rectEps)
void	getMinAndMaxHeightValues (float *minHeight=NULL, float *maxHeight=NULL)
OSG::Real32	getZ (OSG::Real32 x, OSG::Real32 y)
virtual float	getHeight (float x, float z)
void	getNormal (OSG::Real32 x, OSG::Real32 y, OSG::Vec3f *dst)
virtual void	getNormal (float x, float z, float *vec3dst)
OSG::Quaternion	getNormalRotation (OSG::Real32 x, OSG::Real32 y)
Static Public Member Functions
static OSG::Quaternion	getNormalRotation (const OSG::Vec3f &normal)
Protected Member Functions
void	doIntersectionTests (OSG::NodePtr model)
bool	getWeightsAndIndices (OSG::Real32 x, OSG::Real32 y)
Static Protected Member Functions
static OSG::Real32	conv1D (OSG::Real32 *fun, OSG::Real32 *filterKrnl, OSG::Int32 fmax, OSG::Int32 filterMax, OSG::Int32 filterStart, OSG::Int32 x, OSG::Real32 *areaBelowFilter, char *bInitalized)
static OSG::Real32	conv2D (OSG::Real32 *fun, OSG::Int32 funMaxX, OSG::Int32 funMaxY, OSG::Real32 *filterKrnl, OSG::Int32 filterMaxX, OSG::Int32 filterStartX, OSG::Int32 filterMaxY, OSG::Int32 filterStartY, OSG::Int32 x, OSG::Int32 y, char *bInitialized)
static OSG::Real32 *	createGaussKernel (OSG::Real32 sigma, OSG::Int32 *length, OSG::Real32 eps)
static void	dumpPPM (OSG::Real32 *data, int xLen, int yLen, OSG::Real32 scale, OSG::Real32 off, const char *file="heightdump.ppm")
static void	dumpPPMVec3f (OSG::Vec3f *data, int xLen, int yLen, OSG::Real32 scale, OSG::Real32 off, const char *file="heightdumpvec.ppm")
Protected Attributes
OSG::Real32 *	height
OSG::Vec3f *	normals
char *	bInitialized
int	xSamples
int	ySamples
OSG::Real32	x0
OSG::Real32	y0
OSG::Real32	z0
OSG::Real32	xlen
OSG::Real32	ylen
OSG::Real32	dx
OSG::Real32	dy
bool	applyGaussBlurFilter
float	gaussSmoothness
float	gaussRectEps
OSG::Real32	weights [4]
int	indices [4]
Static Protected Attributes
static const OSG::Vec3f	up = Vec3f(0, 1, 0)
static const OSG::Vec3f	down = Vec3f(0, -1, 0)
static const OSG::Char8 *	GEOMETRY_CORE_NAME = "Geometry\0"
static const float	RANGE = 0.0001f

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Constructor & Destructor Documentation

HeightMap::HeightMap

(

)

HeightMap::HeightMap

(

HeightMap *

h

)

HeightMap::~HeightMap

(

)

[virtual]

---

Member Function Documentation

void HeightMap::adjustZ	(	float	scale,
		float	off
	)

static OSG::Real32 HeightMap::conv1D	(	OSG::Real32 *	fun,
		OSG::Real32 *	filterKrnl,
		OSG::Int32	fmax,
		OSG::Int32	filterMax,
		OSG::Int32	filterStart,
		OSG::Int32	x,
		OSG::Real32 *	areaBelowFilter,
		char *	bInitalized
	)			[static, protected]

static OSG::Real32 HeightMap::conv2D	(	OSG::Real32 *	fun,
		OSG::Int32	funMaxX,
		OSG::Int32	funMaxY,
		OSG::Real32 *	filterKrnl,
		OSG::Int32	filterMaxX,
		OSG::Int32	filterStartX,
		OSG::Int32	filterMaxY,
		OSG::Int32	filterStartY,
		OSG::Int32	x,
		OSG::Int32	y,
		char *	bInitialized
	)			[static, protected]

static OSG::Real32* HeightMap::createGaussKernel	(	OSG::Real32	sigma,
		OSG::Int32 *	length,
		OSG::Real32	eps
	)			[static, protected]

void HeightMap::doIntersectionTests

(

OSG::NodePtr

model

)

[protected]

void HeightMap::dumpHeight	(	const char *	filename,
		float *	minHeight = NULL,
		float *	maxHeight = NULL
	)

static void HeightMap::dumpPPM	(	OSG::Real32 *	data,
		int	xLen,
		int	yLen,
		OSG::Real32	scale,
		OSG::Real32	off,
		const char *	file = "heightdump.ppm"
	)			[static, protected]

static void HeightMap::dumpPPMVec3f	(	OSG::Vec3f *	data,
		int	xLen,
		int	yLen,
		OSG::Real32	scale,
		OSG::Real32	off,
		const char *	file = "heightdumpvec.ppm"
	)			[static, protected]

NodePtr HeightMap::exportGeometry	(	char *	filename,
		char *	normalsArrowModelFile = NULL
	)

bool HeightMap::generateHeightMap	(	OSG::NodePtr	model,
		int	xSamples,
		int	ySamples,
		int	height,
		int	zRot,
		bool	filter = false
	)

bool HeightMap::generateHeightMap

(

OSG::NodePtr

model

)

float HeightMap::getHeight	(	float	x,
		float	z
	)			[virtual]

Implements HeightMapInterface.

void HeightMap::getMinAndMaxHeightValues	(	float *	minHeight = NULL,
		float *	maxHeight = NULL
	)

void HeightMap::getNormal	(	float	x,
		float	z,
		float *	vec3dst
	)			[virtual]

Implements HeightMapInterface.

void HeightMap::getNormal	(	OSG::Real32	x,
		OSG::Real32	y,
		OSG::Vec3f *	dst
	)

static OSG::Quaternion HeightMap::getNormalRotation

(

const OSG::Vec3f &

normal

)

[static]

OSG::Quaternion HeightMap::getNormalRotation	(	OSG::Real32	x,
		OSG::Real32	y
	)

bool HeightMap::getWeightsAndIndices	(	OSG::Real32	x,
		OSG::Real32	y
	)			[protected]

OSG::Real32 HeightMap::getZ	(	OSG::Real32	x,
		OSG::Real32	y
	)

NodeCorePtr HeightMap::makeGeometryPtr

(

)

void HeightMap::setGaussFilterCoefficients	(	float	smoothness,
		float	rectEps
	)

bool HeightMap::setup

(

const char *

filename

)

bool HeightMap::setup	(	OSG::NodePtr	sampleMdl,
		int	xSamples,
		int	ySamples,
		bool	filter = false
	)

bool HeightMap::setup	(	OSG::Real32	x0,
		OSG::Real32	y0,
		OSG::Real32	z0,
		OSG::Real32	xlen,
		OSG::Real32	ylen,
		int	xSamples,
		int	ySamples,
		bool	filter = false
	)

bool HeightMap::writeToFile

(

const char *

filename

)

void HeightMap::writeToPPM	(	const char *	filename,
		float	scale,
		float	off,
		bool	findSelf
	)

---

Member Data Documentation

bool HeightMap::applyGaussBlurFilter [protected]

char* HeightMap::bInitialized [protected]

const Vec3f HeightMap::down = Vec3f(0, -1, 0) [static, protected]

OSG::Real32 HeightMap::dx [protected]

OSG::Real32 HeightMap::dy [protected]

float HeightMap::gaussRectEps [protected]

float HeightMap::gaussSmoothness [protected]

const Char8 * HeightMap::GEOMETRY_CORE_NAME = "Geometry\0" [static, protected]

OSG::Real32* HeightMap::height [protected]

int HeightMap::indices[4] [protected]

OSG::Vec3f* HeightMap::normals [protected]

const float HeightMap::RANGE = 0.0001f [static, protected]

const Vec3f HeightMap::up = Vec3f(0, 1, 0) [static, protected]

OSG::Real32 HeightMap::weights[4] [protected]

OSG::Real32 HeightMap::x0 [protected]

OSG::Real32 HeightMap::xlen [protected]

int HeightMap::xSamples [protected]

OSG::Real32 HeightMap::y0 [protected]

OSG::Real32 HeightMap::ylen [protected]

int HeightMap::ySamples [protected]

OSG::Real32 HeightMap::z0 [protected]

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

• tools/libraries/HeightMap/HeightMap.h
• tools/libraries/HeightMap/HeightMap.cpp