Class to define TIN strutures. More...

#include <Tin.h>

Inheritance diagram for te::mnt::Tin:

Public Member Functions
bool	LoadTin (te::da::DataSourcePtr &inDsrc, std::string &inDsetName, double zmin=std::numeric_limits< double >::min(), double zmax=std::numeric_limits< double >::max())
	Method used to load a triangular network (TIN) More...

bool	SaveTin (te::da::DataSourcePtr &outDsrc, std::string &outDsetName)

void	setEnvelope (te::gm::Envelope &env)

void	setSRID (int srid)

	Tin ()

Protected Member Functions
bool	BreakNodeClosestPoints (int32_t nid, int32_t rClstNids, int32_t lClstNids)
	Method that searches the Break node closest points. More...

bool	BreakNodeFirstDeriv ()
	Method that calculates the first derivatives in the nodes of a given break triangle. More...

bool	BreakNodeSecondDeriv ()
	Method that calculates the second derivative at all triangulation break nodes. More...

bool	BreakTriangleSecondDeriv ()
	Method that calculates the second derivatives in the nodes of a given break triangle. More...

te::gm::PointZ	CalcNodeFirstDeriv (int32_t nodeId, int32_t clstNodes[CLNODES])
	Method that calculates the first derivative in a given node. More...

TinNode	CalcNodeSecondDeriv (int32_t nodeId, int32_t clstNIds[CLNODES])
	Method that calculates the second derivative in a given node. More...

bool	CalcTriangleSecondDeriv (std::vector< int32_t > &triangles, std::vector< te::gm::PointZ > &fderiv)
	Method that calculates the second derivatives in a node of a given triangle. More...

bool	CalcZvalueAkima (int32_t triid, te::gm::PointZ &pt1, te::gm::PointZ &pt2)
	Method that evaluates Z values for pt1 and pt2 using the Akima polynomium fitted in a triangle. More...

bool	CheckLines (int32_t trid)
	Method that check the lines in a triangulation. More...

bool	CheckTopology ()
	Method that check the topology in a triangulation. More...

bool	ContainsPoint (int32_t triangId, te::gm::PointZ &pt)
	Method that verifies if a triangle contains a given point. More...

bool	DefineAkimaCoeficients (int32_t triid, double *coef)
	Method that defines the coefficients of the Akima polynomium fitted in a given triangle. More...

bool	DefineAkimaCoeficients (int32_t triid, int32_t nodesid, te::gm::PointZ p3d, double *coef)
	Method that defines the coefficients of the Akima polynomium fitted in a given triangle. More...

bool	DefineInterLinesColumns (int32_t *nodesid, int32_t &flin, int32_t &llin, int32_t &fcol, int32_t &lcol)
	Method that calculates the lines and the columns intercepted by a triangle. More...

bool	FillGridValue (int32_t triid, int32_t flin, int32_t llin, int32_t fcol, int32_t lcol, double zvalue)

std::vector< int32_t >	FindLine (int32_t nid)
	Method that find a line containing a specific node. More...

int32_t	FindLine (int32_t fnid, int32_t snid)
	Method that find a line given two nodes identification. More...

int32_t	FindTriangle (te::gm::PointZ &ptr1)
	Method that finds a triangle containing a given point. More...

te::da::DataSetType *	GetDataSetType (std::string &outDsetName)

bool	NeighborsId (int32_t triangId, int32_t *neighsId)

int32_t	NextNode (int32_t nodeId)
	Method that finds out which is the next node. More...

bool	NodeClosestPoints (int32_t nid, int32_t *clstNids, bool useBrNode=true)
	Method that searches the closest points of a specific node. More...

bool	NodeDerivatives ()
	Method that calculates the first and second derivatives in the nodes of a given triangle. More...

bool	NodeFirstDeriv ()
	Method that calculates the first derivatives in the nodes of a given triangle. More...

int32_t	NodeId (int32_t triangId, short vertex)
	Method that reads the identification number of the nodes of a given triangle. More...

bool	NodeLines (int32_t v, std::vector< int32_t > &linids)
	Method that includes a node in the tin line list. More...

bool	NodeNodes (int32_t v, std::vector< int32_t > &nodids)
	Method that includes a node in the tin node list. More...

bool	NodeOppositeLines (int32_t v, std::vector< int32_t > &linids)
	Method that find the oposite lines of a specific node. More...

bool	NodeSecondDeriv ()
	Method that calculates the second derivative at all triangulation nodes. More...

bool	NodesId (int32_t triangId, int32_t *nodeIds)
	Method that reads the identification number of the nodes of a given triangle. More...

int32_t	NodeTriangle (int32_t v)
	Method that search a node in a triangulation. More...

bool	NodeTriangles (int32_t v, std::vector< int32_t > &triangles)
	Method that includes a node in a triangle list. More...

bool	NodeTriangles (int32_t nodeid, std::vector< int32_t > &rightri, std::vector< int32_t > &leftri)
	Method that find the triangle list sharing a given node. More...

int32_t	OppositeEdge (int32_t triangId, int32_t nodeId)
	Method that reads the identification number of the opposite edge of a given node. More...

int32_t	OppositeNode (int32_t triangId, int32_t linId)
	Method that reads the identification number of the opposite node of a given edge. More...

int32_t	PreviousNode (int32_t nodeId)
	Method that finds out which is the previous node. More...

bool	ReallocateVectors (size_t nSize)
	Method that reallocates Vectors. More...

bool	TriangleFirstDeriv ()
	Method that calculates the first derivatives in the nodes of a given triangle. More...

bool	TrianglePoints (int32_t triangId, te::gm::PointZ *vertex)
	Method that reads the vertex (points) of a given triangle. More...

bool	TriangleSecondDeriv ()
	Method that calculates the second derivatives in the nodes of a given triangle. More...

Protected Attributes
te::gm::Envelope	m_env
	Attribute used to restrict the area to generate the samples. More...

int32_t	m_fbnode
	First break node number. More...

std::vector< TinLine >	m_line
	Triangulation lines vector. More...

size_t	m_linesize
	Triangulation lines vector size. More...

int32_t	m_lline
	Triangulation last line number. More...

int32_t	m_lnode
	Triangulation last node number. More...

int32_t	m_ltriang
	Triangulation last triangle number. More...

double	m_max

double	m_min

std::vector< te::gm::PointZ >	m_nblfderiv

std::vector< TinNode >	m_nblsderiv

std::vector< te::gm::PointZ >	m_nbrfderiv

std::vector< TinNode >	m_nbrsderiv

std::vector< te::gm::PointZ >	m_nfderiv

double	m_nodatavalue

std::vector< TinNode >	m_node
	Triangulation nodes vector. More...

size_t	m_nodesize
	Triangulation nodes vector size. More...

std::vector< TinNode >	m_nsderiv

double	m_resx

double	m_resy

te::rst::Raster *	m_rst

int	m_srid
	Attribute with spatial reference information. More...

std::vector< te::gm::PointZ >	m_tfderiv

std::vector< TinTriang >	m_triang
	Triangulation triangles vector. More...

size_t	m_triangsize
	Triangulation triangles vector size. More...

std::vector< TinNode >	m_tsderiv

Detailed Description

Class to define TIN strutures.

Definition at line 270 of file Tin.h.

Constructor & Destructor Documentation

te::mnt::Tin::Tin ( )

inline

Definition at line 273 of file Tin.h.

Member Function Documentation

bool te::mnt::Tin::BreakNodeClosestPoints	(	int32_t	nid,
		int32_t *	rClstNids,
		int32_t *	lClstNids
	)

protected

Method that searches the Break node closest points.

Parameters

nid	is the node identification number
rClstNids	is a pointer to a list of right node identificators
lClstNids	is a pointer to a list of left node identificators

Returns: TRUE if the points are found with no errors or FALSE otherwise

bool te::mnt::Tin::BreakNodeFirstDeriv ( )

protected

Method that calculates the first derivatives in the nodes of a given break triangle.

Returns: TRUE if the derivatives are calculate with no errors or FALSE otherwise

bool te::mnt::Tin::BreakNodeSecondDeriv ( )

protected

Method that calculates the second derivative at all triangulation break nodes.

Returns: TRUE if the derivatives are calculated with no errors or False otherwise

bool te::mnt::Tin::BreakTriangleSecondDeriv ( )

protected

Method that calculates the second derivatives in the nodes of a given break triangle.

Returns: TRUE if the derivatives are calculate with no errors or FALSE otherwise

te::gm::PointZ te::mnt::Tin::CalcNodeFirstDeriv	(	int32_t	nodeId,
		int32_t	clstNodes[CLNODES]
	)

protected

Method that calculates the first derivative in a given node.

Parameters

nodeid	is the node identification number
clstNodes	is the vector of a list of nodes)

Returns: a Point object containing the first derivative in x and y directions

TinNode te::mnt::Tin::CalcNodeSecondDeriv	(	int32_t	nodeId,
		int32_t	clstNIds[CLNODES]
	)

protected

Method that calculates the second derivative in a given node.

Parameters

nodeid	is the node identification number
clstNIds	is the vector of a list of nodes identification

Returns: a Point object containing the first derivative in x and y directions

bool te::mnt::Tin::CalcTriangleSecondDeriv	(	std::vector< int32_t > &	triangles,
		std::vector< te::gm::PointZ > &	fderiv
	)

protected

Method that calculates the second derivatives in a node of a given triangle.

Parameters

triangles	is a pointer to a list of triangle identificators (SIDList object)
fderiv	is a pointer to a Point object representing the first derivative in x and y directions

Returns: TRUE if the derivatives are calculate with no errors or FALSE otherwise

bool te::mnt::Tin::CalcZvalueAkima	(	int32_t	triid,
		te::gm::PointZ &	pt1,
		te::gm::PointZ &	pt2
	)

protected

Method that evaluates Z values for pt1 and pt2 using the Akima polynomium fitted in a triangle.

Parameters

triid	is the triangle identificator number
pt1	is a pointer to a Point3d object
pt2	is a pointer to a Point3d object

Returns: TRUE always

bool te::mnt::Tin::CheckLines ( int32_t trid )

protected

Method that check the lines in a triangulation.

Returns: TRUE if the lines was checked with no errors or FALSE otherwise

bool te::mnt::Tin::CheckTopology ( )

protected

Method that check the topology in a triangulation.

Returns: TRUE if the topology was checked with no errors or FALSE otherwise

bool te::mnt::Tin::ContainsPoint	(	int32_t	triangId,
		te::gm::PointZ &	pt
	)

protected

Method that verifies if a triangle contains a given point.

Parameters

triangId	is the triangle identification number
pt	is a pointer to a te::gm::PointZ object

Returns: TRUE if the point is in the triangle or FALSE (-1L)otherwise

bool te::mnt::Tin::DefineAkimaCoeficients	(	int32_t	triid,
		double *	coef
	)

protected

Method that defines the coefficients of the Akima polynomium fitted in a given triangle.

Parameters

triid	is the triangle identification number
coef	is a pointer to a double vector containing the polynomium coefficients

Returns: TRUE if the coefficients are determined with no errors or FALSE otherwise

bool te::mnt::Tin::DefineAkimaCoeficients	(	int32_t	triid,
		int32_t *	nodesid,
		te::gm::PointZ *	p3d,
		double *	coef
	)

protected

Method that defines the coefficients of the Akima polynomium fitted in a given triangle.

Parameters

triid	is the triangle identification number
nodesid	is the list of triangle nodes identification
p3d	is a pointer to a Point3d object
coef	is a pointer to a double vector containing the polynomium coefficients

Returns: TRUE if the coefficients are determined with no errors or FALSE otherwise

bool te::mnt::Tin::DefineInterLinesColumns	(	int32_t *	nodesid,
		int32_t &	flin,
		int32_t &	llin,
		int32_t &	fcol,
		int32_t &	lcol
	)

protected

Method that calculates the lines and the columns intercepted by a triangle.

Parameters

grid	is a pointer to a grid object that will be created
nodesid	is a vector with nodes identification of the current triangle
flin	and llin are the first and the last lines (rows) of the grid
fcol	and lcol are the first and the last columns of the grid

Returns: TRUE if the gradient grid is filled or FALSE otherwise

bool te::mnt::Tin::FillGridValue	(	int32_t	triid,
		int32_t	flin,
		int32_t	llin,
		int32_t	fcol,
		int32_t	lcol,
		double	zvalue
	)

protected

std::vector<int32_t> te::mnt::Tin::FindLine ( int32_t nid )

protected

Method that find a line containing a specific node.

Parameters

nid	is the node identification number

Returns: the number of the line if it was found with no errors or FALSE (-1L) otherwise

int32_t te::mnt::Tin::FindLine	(	int32_t	fnid,
		int32_t	snid
	)

protected

Method that find a line given two nodes identification.

Parameters

fnid	is the first node identification number
snid	is the second node identification number

Returns: the number of the line if it was found with no errors or FALSE (-1L) otherwise

int32_t te::mnt::Tin::FindTriangle ( te::gm::PointZ & ptr1 )

protected

Method that finds a triangle containing a given point.

Parameters

ptr1	is a pointer to a Point object

Returns: true if the triangle was found or false (-1L)otherwise

te::da::DataSetType* te::mnt::Tin::GetDataSetType ( std::string & outDsetName )

protected

bool te::mnt::Tin::LoadTin	(	te::da::DataSourcePtr &	inDsrc,
		std::string &	inDsetName,
		double	zmin = `std::numeric_limits< double >::min()`,
		double	zmax = `std::numeric_limits< double >::max()`
	)

Method used to load a triangular network (TIN)

Returns: true if the TIN is loaded with no errors or false otherwise

bool te::mnt::Tin::NeighborsId	(	int32_t	triangId,
		int32_t *	neighsId
	)

protected

int32_t te::mnt::Tin::NextNode ( int32_t nodeId )

protected

Method that finds out which is the next node.

Parameters

nodeId is the node identification number

Returns: the number of the next node

bool te::mnt::Tin::NodeClosestPoints	(	int32_t	nid,
		int32_t *	clstNids,
		bool	useBrNode = `true`
	)

protected

Method that searches the closest points of a specific node.

Parameters

nid	is the node identification number
clstNids	is a pointer to a list of closest node identificators
useBrNode	is the break nodeidentification

Returns: TRUE if the points are found with no errors or FALSE otherwise

bool te::mnt::Tin::NodeDerivatives ( )

protected

Method that calculates the first and second derivatives in the nodes of a given triangle.

Returns: TRUE if the derivatives are calculate with no errors or FALSE otherwise

bool te::mnt::Tin::NodeFirstDeriv ( )

protected

Method that calculates the first derivatives in the nodes of a given triangle.

Returns: TRUE if the derivatives are calculate with no errors or FALSE otherwise

int32_t te::mnt::Tin::NodeId	(	int32_t	triangId,
		short	vertex
	)

protected

Method that reads the identification number of the nodes of a given triangle.

Parameters

triangId	is the triangle identification number
vertex	is the number of the vertex to be considered

Returns: the node identification related to the vertex

bool te::mnt::Tin::NodeLines	(	int32_t	v,
		std::vector< int32_t > &	linids
	)

protected

Method that includes a node in the tin line list.

Parameters

v	is the node identificator number
linids	is a pointer to a list of line identificators

Returns: TRUE if the node is included with no errors or FALSE otherwise

bool te::mnt::Tin::NodeNodes	(	int32_t	v,
		std::vector< int32_t > &	nodids
	)

protected

Method that includes a node in the tin node list.

Parameters

v	is the node identification number
nodids	is a pointer to a list of node identificators

Returns: TRUE if the node is included with no errors or FALSE otherwise

bool te::mnt::Tin::NodeOppositeLines	(	int32_t	v,
		std::vector< int32_t > &	linids
	)

protected

Method that find the oposite lines of a specific node.

Parameters

v	is the node identification number
linids	is pointer to a list of line identificators

Returns: true if the line is found with no errors or false otherwise

bool te::mnt::Tin::NodeSecondDeriv ( )

protected

Method that calculates the second derivative at all triangulation nodes.

Returns: TRUE if the derivatives are calculated with no errors or False otherwise

bool te::mnt::Tin::NodesId	(	int32_t	triangId,
		int32_t *	nodeIds
	)

protected

Method that reads the identification number of the nodes of a given triangle.

Parameters

triangId	is the triangle identification number
nodesIds	is a pointer to a list of node identification numbers

Returns: TRUE always

int32_t te::mnt::Tin::NodeTriangle ( int32_t v )

protected

Method that search a node in a triangulation.

Parameters

v	is the node identification number

Returns: the right or left polygon of a line containing v or FALSE (-1L) otherwise

bool te::mnt::Tin::NodeTriangles	(	int32_t	v,
		std::vector< int32_t > &	triangles
	)

protected

Method that includes a node in a triangle list.

Parameters

v	is the node identification number
triangles	is pointer to a vetor of triangles

Returns: TRUE if the node is included with no errors or FALSE otherwise

bool te::mnt::Tin::NodeTriangles	(	int32_t	nodeid,
		std::vector< int32_t > &	rightri,
		std::vector< int32_t > &	leftri
	)

protected

Method that find the triangle list sharing a given node.

Parameters

nodeid	is the node identification number
rightri	is a pointer to the triangles at right side
lefttri	is a pointer to the triangles at left side

Returns: TRUE if the lists are find with no errors or FALSE otherwise

int32_t te::mnt::Tin::OppositeEdge	(	int32_t	triangId,
		int32_t	nodeId
	)

protected

Method that reads the identification number of the opposite edge of a given node.

Parameters

triangId	is the triangle identification number
nodeId	is the node identification number

Returns: the opposite edge identification considering the nodeId or -1 if error

int32_t te::mnt::Tin::OppositeNode	(	int32_t	triangId,
		int32_t	linId
	)

protected

Method that reads the identification number of the opposite node of a given edge.

Parameters

triangId	is the triangle identification number
linId	is the line identification number

Returns: the opposite node identification considering the linId

int32_t te::mnt::Tin::PreviousNode ( int32_t nodeId )

protected

Method that finds out which is the previous node.

Parameters

nodeId is the node identification number

Returns: the number of the previous node

bool te::mnt::Tin::ReallocateVectors ( size_t nSize )

protected

Method that reallocates Vectors.

Parameters

nSize is the vector size

Returns: true always

bool te::mnt::Tin::SaveTin	(	te::da::DataSourcePtr &	outDsrc,
		std::string &	outDsetName
	)

void te::mnt::Tin::setEnvelope ( te::gm::Envelope & env )

Function used to set the envelope parameter

void te::mnt::Tin::setSRID ( int srid )

Function used to set the Spatial Reference System ID

bool te::mnt::Tin::TriangleFirstDeriv ( )

protected

Method that calculates the first derivatives in the nodes of a given triangle.

Returns: TRUE if the derivatives are calculate with no errors or FALSE otherwise

bool te::mnt::Tin::TrianglePoints	(	int32_t	triangId,
		te::gm::PointZ *	vertex
	)

protected

Method that reads the vertex (points) of a given triangle.

Parameters

triangId	is the triangle identification number
vertex	is a pointer to a list of Point object, the triangle vertices

Returns: true always

bool te::mnt::Tin::TriangleSecondDeriv ( )

protected

Method that calculates the second derivatives in the nodes of a given triangle.

Returns: TRUE if the derivatives are calculate with no errors or FALSE otherwise

Member Data Documentation

te::gm::Envelope te::mnt::Tin::m_env

protected

Attribute used to restrict the area to generate the samples.

Definition at line 577 of file Tin.h.

int32_t te::mnt::Tin::m_fbnode

protected

First break node number.

Definition at line 596 of file Tin.h.

std::vector<TinLine> te::mnt::Tin::m_line

protected

Triangulation lines vector.

Definition at line 583 of file Tin.h.

size_t te::mnt::Tin::m_linesize

protected

Triangulation lines vector size.

Definition at line 579 of file Tin.h.

int32_t te::mnt::Tin::m_lline

protected

Triangulation last line number.

Definition at line 599 of file Tin.h.

int32_t te::mnt::Tin::m_lnode

protected

Triangulation last node number.

Definition at line 597 of file Tin.h.

int32_t te::mnt::Tin::m_ltriang

protected

Triangulation last triangle number.

Definition at line 598 of file Tin.h.

double te::mnt::Tin::m_max

protected

Definition at line 603 of file Tin.h.

double te::mnt::Tin::m_min

protected

Definition at line 602 of file Tin.h.

std::vector<te::gm::PointZ> te::mnt::Tin::m_nblfderiv

protected

Definition at line 590 of file Tin.h.

std::vector<TinNode> te::mnt::Tin::m_nblsderiv

protected

Definition at line 594 of file Tin.h.

std::vector<te::gm::PointZ> te::mnt::Tin::m_nbrfderiv

protected

Definition at line 589 of file Tin.h.

std::vector<TinNode> te::mnt::Tin::m_nbrsderiv

protected

Definition at line 593 of file Tin.h.

std::vector<te::gm::PointZ> te::mnt::Tin::m_nfderiv

protected

Definition at line 588 of file Tin.h.

double te::mnt::Tin::m_nodatavalue

protected

Definition at line 601 of file Tin.h.

std::vector<TinNode> te::mnt::Tin::m_node

protected

Triangulation nodes vector.

Definition at line 585 of file Tin.h.

size_t te::mnt::Tin::m_nodesize

protected

Triangulation nodes vector size.

Definition at line 581 of file Tin.h.

std::vector<TinNode> te::mnt::Tin::m_nsderiv

protected

Definition at line 592 of file Tin.h.

double te::mnt::Tin::m_resx

protected

Definition at line 606 of file Tin.h.

double te::mnt::Tin::m_resy

protected

Definition at line 606 of file Tin.h.

te::rst::Raster* te::mnt::Tin::m_rst

protected

Definition at line 605 of file Tin.h.

int te::mnt::Tin::m_srid

protected

Attribute with spatial reference information.

Definition at line 575 of file Tin.h.

std::vector<te::gm::PointZ> te::mnt::Tin::m_tfderiv

protected

Definition at line 587 of file Tin.h.

std::vector<TinTriang> te::mnt::Tin::m_triang

protected

Triangulation triangles vector.

Definition at line 584 of file Tin.h.

size_t te::mnt::Tin::m_triangsize

protected

Triangulation triangles vector size.

Definition at line 580 of file Tin.h.

std::vector<TinNode> te::mnt::Tin::m_tsderiv

protected

Definition at line 591 of file Tin.h.

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

/home/castejon/castejon_files/develop/terralib5/git_master/terralib5/src/terralib/mnt/core/Tin.h

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation