Class to generate TIN. More...

#include <TINGeneration.h>

Inheritance diagram for te::mnt::TINGeneration:

Public Member Functions
bool	BuildTriangle (int32_t id, te::gm::LinearRing lr, double val, int32_t right, int32_t left, te::mnt::Ntype *type, double zmin, double zmax, bool &first, KD_TREE &nodetree, te::sam::rtree::Index< std::size_t > &linetree)

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	LoadTinQGIS (te::da::DataSourcePtr &inDsrc, std::string &inDsetName, double zmin, double zmax)
	Method used to load a triangular network (TIN) generated by QGIS. More...

bool	run ()
	Generate TIN \ return true or false. More...

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

void	setBreakLine (te::da::DataSourcePtr inDsrc, std::string inDsetName, std::auto_ptr< te::da::DataSetType > inDsetType, double tol)
	It sets the BreakLine Datasource that is being used to generate TIN. More...

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

void	setInput (te::da::DataSourcePtr inDsrc, std::string inDsetName, std::auto_ptr< te::da::DataSetType > inDsetType, InputType type)
	It sets the Datasource that is being used to generate TIN. More...

void	setMaxdist (double maxdist)

void	setMethod (int method)

void	setMinedgesize (double minedgesize)

void	setOutput (te::da::DataSourcePtr outDsrc, std::string dsname)
	It sets the Datasource that is being used to save TIN. More...

void	setParams (const double &tolerance, const double &maxdist, const double &minedgesize, const std::string &atrz_iso, const std::string &atrz_pt)
	It sets the parameters to generate TIN. More...

void	setSRID (int srid)

void	setTolerance (double tolerance)

	TINGeneration ()
	Default constructor. More...

	~TINGeneration ()

Protected Member Functions
bool	borderUp ()

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::Point	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::Point > &fderiv)
	Method that calculates the second derivatives in a node of a given triangle. More...

bool	CalcZvalueAkima (int32_t triid, te::gm::Point &pt1, te::gm::Point &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::Point &pt)
	Method that verifies if a triangle contains a given point. More...

bool	CreateDelaunay ()
	Method that creates a Delaunay triangulation. More...

bool	CreateInitialTriangles (size_t nsamples)

bool	CreateMinAngleTriangulation ()
	Method used to create a Triangulation using the Minimum Angle Method. 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::Point 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	DeleteNode (int32_t node)
	Method used to delete a node in a TIN (Triangular Irregular Network) More...

int32_t	DuplicateTriangle (int32_t t, short n, int32_t v, int32_t *testLines)
	Method used to duplicate a triangle in a TIN (Triangular Irregular Network) More...

bool	DupNeighTriangle (int32_t tv, int32_t an0, short, int32_t v, int32_t *testLines)
	Method used to duplicate a neighbour triangle in a TIN (Triangular Irregular Network) More...

int32_t	ExchangePolygon (int32_t triangId, int32_t newPolyId, unsigned short edge)
	Method that exchanges polygon. More...

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

bool	FindInterPoints (te::gm::Point &pf, te::gm::Point &pn, std::vector< te::gm::Point > &p3d, std::vector< bool > &fixed)
	Method fint the point that intersects two triangles containing points pf and pn. More...

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::Point &ptr1)
	Method that finds a triangle containing a given point. More...

bool	GenerateDelaunay (int32_t nt, int32_t ntbase, int32_t contr)
	Method that generates a Delaunay triangulation. More...

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

bool	InsertBreakLines ()

bool	InsertBreakNodes (te::gm::MultiLineString &breaklines)

bool	InsertNode (int32_t nodeid, int type)
	Method used to insert a node in a TIN (Triangular Irregular Network) More...

bool	InsertNodes (const te::gm::MultiPoint &mpt, const te::gm::MultiLineString &mls)

bool	IsBreaklineSegment (int32_t linid)
	Method that veryfies if the Breakline is a segment. More...

bool	IsIsolineSegment (int32_t linid)
	Method that veryfies if the Isoline is a segment. More...

bool	IsNeighborOnIsoOrBreakline (int32_t triId, unsigned short nviz)

bool	IsolinesConstrained ()
	Method that define the Constrained Isolines. More...

bool	LoadTin ()
	Method used to load a triangular network (TIN) More...

bool	ModifyBoundTriangles ()
	Method that modifies the bounds of Triangles. More...

te::gm::Geometry *	neigh_union (te::gm::Geometry *tri_union, int32_t tri, std::vector< int32_t > &used_tri_all, std::map< int32_t, te::gm::Polygon > &pol_tri)

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	NodeExchange (int32_t oldNode, int32_t newNode)
	Method used to exchange two nodes in a TIN (Triangular Irregular Network) 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...

bool	OnIsolineSegment (int32_t linid, te::gm::Point &pt3d, bool &fixed)
	Method that checks if a point 3D is on the isoline segment. 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...

bool	OrderLines ()
	Method that order lines. More...

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

size_t	ReadBreakLines (te::gm::MultiPoint &mpt, te::gm::MultiLineString &isolines, std::string &geostype)

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

bool	ReCreateDelaunay ()
	Method that recreates a Delaunay triangulation. More...

bool	ReGenerateDelaunay (int32_t nt, int32_t ntbase, int32_t contr)
	Method that regenerates a Delaunay triangulation. More...

bool	RegeneratewithNewPoints (std::vector< te::gm::Point > &p3dl, std::vector< bool > &fixed)

bool	SaveTin ()

bool	TestAngleBetweenNormals (int32_t triId, short nviz)
	Method used to test the angle between two normals. More...

bool	TestDelaunay (int32_t tri1Id, int32_t tri2Id, int32_t tri3Id)
	Method used to test if the triangulation follows the Delaunay rule. More...

bool	TestDelaunay (int32_t tri1Id, int32_t tri2Id, int32_t tri3Id, int32_t tri4Id)
	Method used to test if the triangulation follows the Delaunay rule. More...

bool	TestDelaunay (int32_t linId)
	Method used to test if the triangulation follows the Delaunay rule. More...

bool	TestDelaunay (int32_t triId, short nviz)
	Method used to test if the triangulation follows the Delaunay rule. More...

bool	TestFlatTriangles ()
	Method that test if has flat triangles and regenerate them. More...

bool	TestIsolines (int iter)
	Method that test the Isolines. More...

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

bool	TrianglePoints (int32_t triangId, te::gm::Point *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...

bool	TwoNewTriangles (int32_t t, int32_t nodeId, int32_t *testLines)
	Method used to create two new triangles in a TIN (Triangular Irregular Network) More...

bool	UpdateTriangles (int32_t t, int32_t tv, int32_t ai)
	Method used to Update Triangles of a given triangulation. More...

Protected Attributes
std::string	m_atrZ_point

std::string	m_atrZ_sample

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::string	m_inDsetName_break

std::string	m_inDsetName_point

std::string	m_inDsetName_sample

std::auto_ptr< te::da::DataSetType >	m_inDsetType_break

std::auto_ptr< te::da::DataSetType >	m_inDsetType_point

std::auto_ptr< te::da::DataSetType >	m_inDsetType_sample

te::da::DataSourcePtr	m_inDsrc_break

te::da::DataSourcePtr	m_inDsrc_point

te::da::DataSourcePtr	m_inDsrc_sample

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_maxdist
	Triangulation lines simplification maximum distance. More...

int	m_method
	Triangulation method Delanay or Smaller Angle. More...

double	m_min

double	m_minedgesize
	Triangulation edges minimum size. More...

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

std::vector< TinNode >	m_nblsderiv

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

std::vector< TinNode >	m_nbrsderiv

std::vector< te::gm::Point >	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

std::string	m_outDsetName

te::da::DataSourcePtr	m_outDsrc

double	m_resx

double	m_resy

te::rst::Raster *	m_rst

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

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

double	m_tolerance
	Triangulation lines simplification tolerance. More...

double	m_tolerance_break
	Triangulation breaklines simplification tolerance. More...

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 generate TIN.

Definition at line 37 of file TINGeneration.h.

Constructor & Destructor Documentation

te::mnt::TINGeneration::TINGeneration ( )

Default constructor.

te::mnt::TINGeneration::~TINGeneration ( )

Member Function Documentation

bool te::mnt::TINGeneration::borderUp ( )

protected

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

protectedinherited

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 ( )

protectedinherited

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 ( )

protectedinherited

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 ( )

protectedinherited

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

bool te::mnt::Tin::BuildTriangle	(	int32_t	id,
		te::gm::LinearRing *	lr,
		double *	val,
		int32_t *	right,
		int32_t *	left,
		te::mnt::Ntype *	type,
		double	zmin,
		double	zmax,
		bool &	first,
		KD_TREE &	nodetree,
		te::sam::rtree::Index< std::size_t > &	linetree
	)

inherited

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

protectedinherited

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]
	)

protectedinherited

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::Point > &	fderiv
	)

protectedinherited

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::Point &	pt1,
		te::gm::Point &	pt2
	)

protectedinherited

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 )

protectedinherited

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 ( )

protectedinherited

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::Point &	pt
	)

protectedinherited

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::TINGeneration::CreateDelaunay ( )

protected

Method that creates a Delaunay triangulation.

Returns: TRUE if the triangulation is created with no errors or False otherwise

bool te::mnt::TINGeneration::CreateInitialTriangles ( size_t nsamples )

protected

Create the two initial triangles, based on box.

bool te::mnt::TINGeneration::CreateMinAngleTriangulation ( )

protected

Method used to create a Triangulation using the Minimum Angle Method.

Returns: TRUE if the triangulation is created with no errors or FALSE otherwise

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

protectedinherited

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::Point *	p3d,
		double *	coef
	)

protectedinherited

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
	)

protectedinherited

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::TINGeneration::DeleteNode ( int32_t node )

protected

Method used to delete a node in a TIN (Triangular Irregular Network)

Parameters

node	is the node identification number

Returns: true if the node is deleted with no errors or false otherwise

int32_t te::mnt::TINGeneration::DuplicateTriangle	(	int32_t	t,
		short	n,
		int32_t	v,
		int32_t *	testLines
	)

protected

Method used to duplicate a triangle in a TIN (Triangular Irregular Network)

Parameters

t	is a triangle identification number
n	is the node identification number
v	is a vertex identification number
testLines	is a pointer to a vector with number of lines to be tested

Returns: id of new edge the duplicated triangles with no errors or -1 otherwise

bool te::mnt::TINGeneration::DupNeighTriangle	(	int32_t	tv,
		int32_t	an0,
		short	,
		int32_t	v,
		int32_t *	testLines
	)

protected

Method used to duplicate a neighbour triangle in a TIN (Triangular Irregular Network)

Parameters

tv	is a triangle identification number
an0	is an edge identification number
v	is a vertex identification number
testLines	is a pointer to a vector with number of lines to be tested

Returns: true if the neighbor triangle is duplicated with no errors or false otherwise

int32_t te::mnt::TINGeneration::ExchangePolygon	(	int32_t	triangId,
		int32_t	newPolyId,
		unsigned short	edge
	)

protected

Method that exchanges polygon.

Parameters

triangId	is the triangle identification number
newPolyId	is the new Polygon identification number
edge	is the edge number of the triangle

Returns: the line identification

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

protectedinherited

bool te::mnt::TINGeneration::FindInterPoints	(	te::gm::Point &	pf,
		te::gm::Point &	pn,
		std::vector< te::gm::Point > &	p3d,
		std::vector< bool > &	fixed
	)

protected

Method fint the point that intersects two triangles containing points pf and pn.

Parameters

pf	is a pointer to the first point
pn	is a pointer to the last point
p3d	is a pointer to a list of Point3d objects

Returns: TRUE if the point is found with no errors or FALSE otherwise

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

protectedinherited

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
	)

protectedinherited

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::Point & ptr1 )

protectedinherited

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

bool te::mnt::TINGeneration::GenerateDelaunay	(	int32_t	nt,
		int32_t	ntbase,
		int32_t	contr
	)

protected

Method that generates a Delaunay triangulation.

Parameters

nt	is the triangle number
ntbase	is the base triangle number
contr	is a counter

Returns: TRUE if the triangulation is generated with no errors or False otherwise

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

protectedinherited

bool te::mnt::TINGeneration::InsertBreakLines ( )

protected

bool te::mnt::TINGeneration::InsertBreakNodes ( te::gm::MultiLineString & breaklines )

protected

bool te::mnt::TINGeneration::InsertNode	(	int32_t	nodeid,
		int	type
	)

protected

Method used to insert a node in a TIN (Triangular Irregular Network)

Parameters

nodeId	is the node identification number
type	is the node type (0 - if Delaunay)

Returns: true if the node is inserted with no errors or false otherwise

bool te::mnt::TINGeneration::InsertNodes	(	const te::gm::MultiPoint &	mpt,
		const te::gm::MultiLineString &	mls
	)

protected

Convert samples to nodes and insert them in Tin. If farther than a tolerance from the closest point.

bool te::mnt::TINGeneration::IsBreaklineSegment ( int32_t linid )

protected

Method that veryfies if the Breakline is a segment.

Parameters

linid is the line identification number

Returns: TRUE if the breakline is a segment or False otherwise

bool te::mnt::TINGeneration::IsIsolineSegment ( int32_t linid )

protected

Method that veryfies if the Isoline is a segment.

Parameters

linid is the line identification number

Returns: TRUE if the isoline is a segment or False otherwise

bool te::mnt::TINGeneration::IsNeighborOnIsoOrBreakline	(	int32_t	triId,
		unsigned short	nviz
	)

protected

bool te::mnt::TINGeneration::IsolinesConstrained ( )

protected

Method that define the Constrained Isolines.

Returns: TRUE if the Isolines are defined or FALSE otherwise

bool te::mnt::TINGeneration::LoadTin ( )

protected

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

inherited

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::LoadTinQGIS	(	te::da::DataSourcePtr &	inDsrc,
		std::string &	inDsetName,
		double	zmin,
		double	zmax
	)

inherited

Method used to load a triangular network (TIN) generated by QGIS.

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

bool te::mnt::TINGeneration::ModifyBoundTriangles ( )

protected

Method that modifies the bounds of Triangles.

Returns: TRUE if the triangulation is generated with no errors or False otherwise

te::gm::Geometry* te::mnt::TINGeneration::neigh_union	(	te::gm::Geometry *	tri_union,
		int32_t	tri,
		std::vector< int32_t > &	used_tri_all,
		std::map< int32_t, te::gm::Polygon > &	pol_tri
	)

protected

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

protectedinherited

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

protectedinherited

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`
	)

protectedinherited

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 ( )

protectedinherited

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::TINGeneration::NodeExchange	(	int32_t	oldNode,
		int32_t	newNode
	)

protected

Method used to exchange two nodes in a TIN (Triangular Irregular Network)

Parameters

oldNnode	is the old node identification number
newNnode	is the new node identification number

Returns: true if the nodes are exchanged with no errors or false otherwise

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

protectedinherited

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
	)

protectedinherited

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
	)

protectedinherited

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
	)

protectedinherited

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
	)

protectedinherited

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 ( )

protectedinherited

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
	)

protectedinherited

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 )

protectedinherited

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
	)

protectedinherited

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
	)

protectedinherited

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

bool te::mnt::TINGeneration::OnIsolineSegment	(	int32_t	linid,
		te::gm::Point &	pt3d,
		bool &	fixed
	)

protected

Method that checks if a point 3D is on the isoline segment.

Parameters

linid	is the line identification number
pt3d	is a pointer to a list of Point3D objects

Returns: TRUE if the point is on the isoline segment or FALSE otherwise

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

protectedinherited

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
	)

protectedinherited

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

bool te::mnt::TINGeneration::OrderLines ( )

protected

Method that order lines.

Returns: TRUE if the lines were ordered with no errors or FALSE otherwise

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

protectedinherited

Method that finds out which is the previous node.

Parameters

nodeId is the node identification number

Returns: the number of the previous node

size_t te::mnt::TINGeneration::ReadBreakLines	(	te::gm::MultiPoint &	mpt,
		te::gm::MultiLineString &	isolines,
		std::string &	geostype
	)

protected

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

protectedinherited

Method that reallocates Vectors.

Parameters

nSize is the vector size

Returns: true always

bool te::mnt::TINGeneration::ReCreateDelaunay ( )

protected

Method that recreates a Delaunay triangulation.

Returns: TRUE if the triangulation is recreated with no errors or False otherwise

bool te::mnt::TINGeneration::ReGenerateDelaunay	(	int32_t	nt,
		int32_t	ntbase,
		int32_t	contr
	)

protected

Method that regenerates a Delaunay triangulation.

Parameters

nt	is the triangle number
ntbase	is the base triangle number
contr	is a counter

Returns: TRUE if the triangulation is regenerated with no errors or False otherwise

bool te::mnt::TINGeneration::RegeneratewithNewPoints	(	std::vector< te::gm::Point > &	p3dl,
		std::vector< bool > &	fixed
	)

protected

bool te::mnt::TINGeneration::run ( )

Generate TIN \ return true or false.

bool te::mnt::TINGeneration::SaveTin ( )

protected

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

inherited

void te::mnt::TINGeneration::setBreakLine	(	te::da::DataSourcePtr	inDsrc,
		std::string	inDsetName,
		std::auto_ptr< te::da::DataSetType >	inDsetType,
		double	tol
	)

It sets the BreakLine Datasource that is being used to generate TIN.

Parameters

inDsrc	The datasource contains breaklines.
inDsetName
inDsetType
tol	breaklines simplification tolerance in meters.

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

inherited

Function used to set the envelope parameter

void te::mnt::TINGeneration::setInput	(	te::da::DataSourcePtr	inDsrc,
		std::string	inDsetName,
		std::auto_ptr< te::da::DataSetType >	inDsetType,
		InputType	type
	)

It sets the Datasource that is being used to generate TIN.

Parameters

inDsrc	The datasource being used.
inDsetName	datasource name
inDsetType	input DataSetType
type	Input type: Sample or Isoline

void te::mnt::TINGeneration::setMaxdist ( double maxdist )

inline

Function used to set Triangulation lines simplification maximum distance

Definition at line 96 of file TINGeneration.h.

void te::mnt::TINGeneration::setMethod ( int method )

inline

Function used to set Triangulation method Delanay or Smaller Angle

Definition at line 102 of file TINGeneration.h.

void te::mnt::TINGeneration::setMinedgesize ( double minedgesize )

inline

Function used to set Triangulation edges minimum size

Definition at line 99 of file TINGeneration.h.

void te::mnt::TINGeneration::setOutput	(	te::da::DataSourcePtr	outDsrc,
		std::string	dsname
	)

It sets the Datasource that is being used to save TIN.

Parameters

inDsrc	The output datasource.
dsname

void te::mnt::TINGeneration::setParams	(	const double &	tolerance,
		const double &	maxdist,
		const double &	minedgesize,
		const std::string &	atrz_iso,
		const std::string &	atrz_pt
	)

It sets the parameters to generate TIN.

Parameters

tolerance	lines simplification tolerance in meters.
maxdist	lines simplification maximum distance in meters.
minedgesize	edges minimum size in meters.
atrz_iso	isolines attribute contains Z value.
atrz_pt	samples attribute contains Z value.

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

inherited

Function used to set the Spatial Reference System ID

void te::mnt::TINGeneration::setTolerance ( double tolerance )

inline

Function used to set Triangulation lines simplification tolerance

Definition at line 93 of file TINGeneration.h.

bool te::mnt::TINGeneration::TestAngleBetweenNormals	(	int32_t	triId,
		short	nviz
	)

protected

Method used to test the angle between two normals.

Parameters

triId	is the triangle identification number
nviz	is the number of the neighbour triangle

Returns: TRUE if the angle is smaller than old triangles or FALSE otherwise

bool te::mnt::TINGeneration::TestDelaunay	(	int32_t	tri1Id,
		int32_t	tri2Id,
		int32_t	tri3Id
	)

protected

Method used to test if the triangulation follows the Delaunay rule.

Parameters

tri1Id	is the identification number of the first triangle
tri2Id	is the identification number of the second triangle
tri3Id	is the identification number of the third triangle

Returns: true if the triangulation is Delaunay or FALSE otherwise

bool te::mnt::TINGeneration::TestDelaunay	(	int32_t	tri1Id,
		int32_t	tri2Id,
		int32_t	tri3Id,
		int32_t	tri4Id
	)

protected

Method used to test if the triangulation follows the Delaunay rule.

Parameters

tri1Id	is the identification number of the first triangle
tri2Id	is the identification number of the second triangle
tri3Id	is the identification number of the third triangle
tri4Id	is the identification number of the fourth triangle

Returns: true if the triangulation is Delaunay or false otherwise

bool te::mnt::TINGeneration::TestDelaunay ( int32_t linId )

protected

Method used to test if the triangulation follows the Delaunay rule.

Parameters

linId is the identification number of a line

Returns: true if the triangulation is Delaunay or false otherwise

bool te::mnt::TINGeneration::TestDelaunay	(	int32_t	triId,
		short	nviz
	)

protected

Method used to test if the triangulation follows the Delaunay rule.

Parameters

triId	is a triangle identification number
nviz	is the number of the neighbor of the triangle triId

Returns: true if the triangulation is Delaunay or false otherwise

bool te::mnt::TINGeneration::TestFlatTriangles ( )

protected

Method that test if has flat triangles and regenerate them.

bool te::mnt::TINGeneration::TestIsolines ( int iter )

protected

Method that test the Isolines.

Returns: true if the isolines are modified or false otherwise

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

protectedinherited

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::Point *	vertex
	)

protectedinherited

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 ( )

protectedinherited

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

bool te::mnt::TINGeneration::TwoNewTriangles	(	int32_t	t,
		int32_t	nodeId,
		int32_t *	testLines
	)

protected

Method used to create two new triangles in a TIN (Triangular Irregular Network)

Parameters

t	is a triangle identification number
nodeId	is a node identification number
testLines	is a pointer to a vector with number of lines to be tested

Returns: true if the triangles are created with no errors or false otherwise

bool te::mnt::TINGeneration::UpdateTriangles	(	int32_t	t,
		int32_t	tv,
		int32_t	ai
	)

protected

Method used to Update Triangles of a given triangulation.

Parameters

t	is a triangle identification number
tv	is a triangle identification number
ai	is a side number of a triangle

Returns: true if the triangles are updated or false otherwise

Member Data Documentation

std::string te::mnt::TINGeneration::m_atrZ_point

protected

Definition at line 363 of file TINGeneration.h.

std::string te::mnt::TINGeneration::m_atrZ_sample

protected

Definition at line 362 of file TINGeneration.h.

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

protectedinherited

Attribute used to restrict the area to generate the samples.

Definition at line 593 of file Tin.h.

int32_t te::mnt::Tin::m_fbnode

protectedinherited

First break node number.

Definition at line 612 of file Tin.h.

std::string te::mnt::TINGeneration::m_inDsetName_break

protected

Definition at line 356 of file TINGeneration.h.

std::string te::mnt::TINGeneration::m_inDsetName_point

protected

Definition at line 352 of file TINGeneration.h.

std::string te::mnt::TINGeneration::m_inDsetName_sample

protected

Definition at line 348 of file TINGeneration.h.

std::auto_ptr<te::da::DataSetType> te::mnt::TINGeneration::m_inDsetType_break

protected

Definition at line 357 of file TINGeneration.h.

std::auto_ptr<te::da::DataSetType> te::mnt::TINGeneration::m_inDsetType_point

protected

Definition at line 353 of file TINGeneration.h.

std::auto_ptr<te::da::DataSetType> te::mnt::TINGeneration::m_inDsetType_sample

protected

Definition at line 349 of file TINGeneration.h.

te::da::DataSourcePtr te::mnt::TINGeneration::m_inDsrc_break

protected

Definition at line 355 of file TINGeneration.h.

te::da::DataSourcePtr te::mnt::TINGeneration::m_inDsrc_point

protected

Definition at line 351 of file TINGeneration.h.

te::da::DataSourcePtr te::mnt::TINGeneration::m_inDsrc_sample

protected

Definition at line 347 of file TINGeneration.h.

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

protectedinherited

Triangulation lines vector.

Definition at line 599 of file Tin.h.

size_t te::mnt::Tin::m_linesize

protectedinherited

Triangulation lines vector size.

Definition at line 595 of file Tin.h.

int32_t te::mnt::Tin::m_lline

protectedinherited

Triangulation last line number.

Definition at line 615 of file Tin.h.

int32_t te::mnt::Tin::m_lnode

protectedinherited

Triangulation last node number.

Definition at line 613 of file Tin.h.

int32_t te::mnt::Tin::m_ltriang

protectedinherited

Triangulation last triangle number.

Definition at line 614 of file Tin.h.

double te::mnt::Tin::m_max

protectedinherited

Definition at line 619 of file Tin.h.

double te::mnt::TINGeneration::m_maxdist

protected

Triangulation lines simplification maximum distance.

Definition at line 369 of file TINGeneration.h.

int te::mnt::TINGeneration::m_method

protected

Triangulation method Delanay or Smaller Angle.

Definition at line 374 of file TINGeneration.h.

double te::mnt::Tin::m_min

protectedinherited

Definition at line 618 of file Tin.h.

double te::mnt::TINGeneration::m_minedgesize

protected

Triangulation edges minimum size.

Definition at line 370 of file TINGeneration.h.

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

protectedinherited

Definition at line 606 of file Tin.h.

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

protectedinherited

Definition at line 610 of file Tin.h.

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

protectedinherited

Definition at line 605 of file Tin.h.

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

protectedinherited

Definition at line 609 of file Tin.h.

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

protectedinherited

Definition at line 604 of file Tin.h.

double te::mnt::Tin::m_nodatavalue

protectedinherited

Definition at line 617 of file Tin.h.

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

protectedinherited

Triangulation nodes vector.

Definition at line 601 of file Tin.h.

size_t te::mnt::Tin::m_nodesize

protectedinherited

Triangulation nodes vector size.

Definition at line 597 of file Tin.h.

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

protectedinherited

Definition at line 608 of file Tin.h.

std::string te::mnt::TINGeneration::m_outDsetName

protected

Definition at line 360 of file TINGeneration.h.

te::da::DataSourcePtr te::mnt::TINGeneration::m_outDsrc

protected

Definition at line 359 of file TINGeneration.h.

double te::mnt::Tin::m_resx

protectedinherited

Definition at line 622 of file Tin.h.

double te::mnt::Tin::m_resy

protectedinherited

Definition at line 622 of file Tin.h.

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

protectedinherited

Definition at line 621 of file Tin.h.

int te::mnt::Tin::m_srid

protectedinherited

Attribute with spatial reference information.

Definition at line 591 of file Tin.h.

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

protectedinherited

Definition at line 603 of file Tin.h.

double te::mnt::TINGeneration::m_tolerance

protected

Triangulation lines simplification tolerance.

Definition at line 368 of file TINGeneration.h.

double te::mnt::TINGeneration::m_tolerance_break

protected

Triangulation breaklines simplification tolerance.

Definition at line 372 of file TINGeneration.h.

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

protectedinherited

Triangulation triangles vector.

Definition at line 600 of file Tin.h.

size_t te::mnt::Tin::m_triangsize

protectedinherited

Triangulation triangles vector size.

Definition at line 596 of file Tin.h.

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

protectedinherited

Definition at line 607 of file Tin.h.

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

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

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation