SDFTerrainLoDContinuous Class Reference

a sampled terrain More...

#include <sdf.h>

Inheritance diagram for SDFTerrainLoDContinuous:

Public Member Functions
	SDFTerrainLoDContinuous (std::vector< double >, std::vector< double >, std::vector< double >, std::vector< double >, std::vector< double >, std::vector< int >)
	Create a predefine terrain.
virtual	~SDFTerrainLoDContinuous ()
	Destructor.
virtual double	Signed (const Vector &) const
	Compute the signed distance.
QString	GetShader (PrimitiveManager *, std::list< QString > *, bool *) const
	Compute the GLSL code to render the node.
QString	GetCostShader (PrimitiveManager *, std::list< QString > *, bool *) const
	Compute the GLSL code to compute the cost of a call to sdf.
QString	GetMaterialShader (PrimitiveManager *, std::list< QString > *, bool *) const
	Compute the GLSL code to compute the material the sdf at a given point 'p' with a given normal 'n'.
QString	GetGradientShader (PrimitiveManager *, std::list< QString > *, bool *) const
	Compute the GLSL code to compute the gradient the sdf.
virtual int	Memory () const
	Return the size of a sub-tree.
virtual SDFNode *	Copy () const
	Deep copy.
Public Member Functions inherited from SDFPrimitive
	SDFPrimitive ()
	Create a primitive.
virtual	~SDFPrimitive ()
	Destructor.
virtual void	ComputeCostSigned (const Vector &)
	Compute the number of reccursive calls to Signed().
void	setShaderMaterial (ShaderMaterial *)
	Set the material of the primitive for the glsl code.
Public Member Functions inherited from SDFNode
	SDFNode ()
	Create a generic node.
virtual	~SDFNode ()
	Destructor.
virtual double	BID (const Vector &) const
	Compute a lower bound of the signed distance.
virtual Vector	Gradient (const Vector &) const
	Compute the gradient of the field.
virtual bool	Inside (const Vector &) const
	Check if a point is inside or outside.
virtual Color	GetColor (const Vector &) const
	Computes the color.
virtual double	K () const
	Return the Lipschitz constant of the node.
virtual double	K (const Box &) const
	Return the local Lipschitz constant.
Box	GetBox () const
	Return the bounding box of the node.
virtual int	Nodes () const
	Compute the number of nodes in the sub-tree.
virtual void	ComputeCostBID (const Vector &)
	Compute the number of reccursive calls to BID() and Signed().

Protected Attributes
std::vector< double >	rotations
	rotation of the noise for each level
std::vector< double >	amplitudes
	amplitude for each level of noise
std::vector< double >	frequences
	random seed for each level of noise
std::vector< double >	loddistances
	distance upon wich the level can be neglected
std::vector< double >	lodinterpolationdistances
	distance to reduce the level from 1 to 0
std::vector< int >	isridge
	if the layer is a ridge noise or a perlin noise (1 for ridge, 0 for perlin)
Protected Attributes inherited from SDFNode
Box	box = Box::Infinity
	Box bounding the surface.
double	k = 1.0
	Lipschitz constant.
int	cost = 1
	Relative computation cost.

Additional Inherited Members
Static Public Member Functions inherited from SDFNode
static void	ResetReccursiveCalls ()
	Reset the reccursive call property of the tree.
static int	ReccursiveCalls ()
	Returns the number of reccursive calls to Value() and BID().
static void	addReccursiveCalls (int)
	Add a nulber to the nbreccursiveCalls.
static SDFNode *	Stalactite (const Vector &p, const double &h, const double &r, bool noise=true, Random &random=Random::R239, const double &largeur=0.25, const double &espacement=0.61)
	Procedural parameterized stalactite.
static SDFNode *	SpherePieces ()
	Sphere carved, placed on a cylinder. Nice scene for testing sharp features reconstruction.
Static Protected Attributes inherited from SDFNode
static constexpr double	Epsilon = 0.01
	Small constant used for bounding volumes.
static int	reccursiveCalls = 0
	Recursive calls to BID or Value.

Detailed Description

a sampled terrain

a continuous merging between two terrain

Author

Hubert-Brierre Pierre

Member Function Documentation

GetCostShader()

QString SDFTerrainLoDContinuous::GetCostShader ( PrimitiveManager * primitives, std::list< QString > * dependency, bool * valid_glsl ) const

virtual

Compute the GLSL code to compute the cost of a call to sdf.

Author

Hubert-Brierre Pierre

Reimplemented from SDFPrimitive.

GetGradientShader()

QString SDFTerrainLoDContinuous::GetGradientShader ( PrimitiveManager * primitives, std::list< QString > * dependency, bool * valid_glsl ) const

virtual

Compute the GLSL code to compute the gradient the sdf.

Author

HUEBRT-BRIERRE Pierre

Reimplemented from SDFNode.

GetMaterialShader()

QString SDFTerrainLoDContinuous::GetMaterialShader ( PrimitiveManager * primitives, std::list< QString > * dependency, bool * valid_glsl ) const

virtual

Compute the GLSL code to compute the material the sdf at a given point 'p' with a given normal 'n'.

Author

HUEBRT-BRIERRE Pierre

Reimplemented from SDFPrimitive.

GetShader()

QString SDFTerrainLoDContinuous::GetShader ( PrimitiveManager * primitives, std::list< QString > * dependency, bool * valid_glsl ) const

virtual

Compute the GLSL code to render the node.

Author

Hubert-Brierre Pierre

Reimplemented from SDFNode.

Memory()

int SDFTerrainLoDContinuous::Memory ( ) const

virtual

Return the size of a sub-tree.

Reimplemented from SDFNode.

Signed()

double SDFTerrainLoDContinuous::Signed ( const Vector & p ) const

virtual

Compute the signed distance.

Parameters

p

Point.

Reimplemented from SDFPrimitive.