NormalManager Class Reference

#include <NormalManager.hpp>

Inheritance diagram for NormalManager:

Collaboration diagram for NormalManager:

List of all members.

Public Member Functions

void subscribe (const SurfElem *s)

void update (const SurfElem *s)

void unsubscribe ()

real_t nx () const

real_t ny () const

real_t nz () const

NormalManager ()

~NormalManager ()

Static Public Member Functions

static NormalManager & instance ()

static void create ()

static void destroy ()

Static Protected Attributes

static NormalManager * __pInstance

Private Member Functions

void __buildNormal () const

Private Attributes

const SurfElem * __surfElem

size_t __counter

ReferenceCounting< TinyVector
< 3, real_t > > __normal

Detailed Description

Definition at line 41 of file NormalManager.hpp.

Constructor & Destructor Documentation

NormalManager::NormalManager ( ) [inline, explicit]

Default constructor

Definition at line 143 of file NormalManager.hpp.

00144     : __surfElem(0),
00145       __counter(0),
00146       __normal(0)
00147   {
00148     ;
00149   }

NormalManager::~NormalManager ( ) [inline]

Destructor

Definition at line 155 of file NormalManager.hpp.

References __counter, __normal, __surfElem, and ASSERT.

00156   {
00157     ASSERT(__counter  == 0);
00158     ASSERT(__surfElem == 0);
00159     ASSERT(__normal   == 0);
00160   }

Member Function Documentation

void NormalManager::__buildNormal ( ) const [inline, private]

Builds the normal vector if it is not built

Definition at line 56 of file NormalManager.hpp.

References __normal, __surfElem, SurfElem::normal(), and ErrorHandler::unexpected.

Referenced by nx(), ny(), and nz().

00057   {
00058     if (__surfElem == 0) {
00059       throw ErrorHandler(__FILE__,__LINE__,
00060                          "Cannot evaluate normal, no surface is defined",
00061                          ErrorHandler::unexpected);
00062     }
00063     if (__normal == 0) {
00064       __normal = new TinyVector<3, real_t>(__surfElem->normal());
00065     }
00066   }

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void NormalManager::subscribe ( const SurfElem * s ) [inline]

Subscribes the element s for whom the normal may be computed.

Parameters:

s

the element to subscribe

Definition at line 74 of file NormalManager.hpp.

References __counter, and __surfElem.

Referenced by SurfaceMeshOfTriangles::const_iterator::const_iterator(), SurfaceMeshOfQuadrangles::const_iterator::const_iterator(), SurfaceMeshOfTriangles::iterator::iterator(), and SurfaceMeshOfQuadrangles::iterator::iterator().

00075   {
00076     __counter++;
00077     __surfElem = s;
00078   }

void NormalManager::update ( const SurfElem * s ) [inline]

Uses a new surface element

Parameters:

s

the new surface element

Definition at line 85 of file NormalManager.hpp.

References __normal, __surfElem, and ASSERT.

Referenced by SurfaceMeshOfTriangles::const_iterator::operator++(), SurfaceMeshOfTriangles::iterator::operator++(), SurfaceMeshOfQuadrangles::const_iterator::operator++(), SurfaceMeshOfQuadrangles::iterator::operator++(), SurfaceMeshOfTriangles::const_iterator::operator=(), SurfaceMeshOfTriangles::iterator::operator=(), SurfaceMeshOfQuadrangles::const_iterator::operator=(), and SurfaceMeshOfQuadrangles::iterator::operator=().

00086   {
00087     ASSERT(__surfElem != 0);
00088     __surfElem = s;
00089     __normal = 0; // normal is to recompute
00090   }

void NormalManager::unsubscribe ( ) [inline]

This is called to inform the NormalManager that the surface have been iterated, this avoid the use of wrong normal value

Definition at line 96 of file NormalManager.hpp.

References __counter, __normal, __surfElem, and ASSERT.

Referenced by SurfaceMeshOfTriangles::const_iterator::~const_iterator(), SurfaceMeshOfQuadrangles::const_iterator::~const_iterator(), SurfaceMeshOfTriangles::iterator::~iterator(), and SurfaceMeshOfQuadrangles::iterator::~iterator().

00097   {
00098     ASSERT(__counter != 0);
00099     __counter--;
00100     if (__counter == 0) {
00101       __surfElem = 0;
00102       __normal = 0;
00103     }
00104   }

real_t NormalManager::nx ( ) const [inline]

Access to the first component of the normal

Returns:

Definition at line 111 of file NormalManager.hpp.

References __buildNormal(), and __normal.

Referenced by ScalarFunctionNormal::operator()().

00112   {
00113     __buildNormal();
00114     return (*__normal)[0];
00115   }

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real_t NormalManager::ny ( ) const [inline]

Access to the second component of the normal

Returns:

Definition at line 122 of file NormalManager.hpp.

References __buildNormal(), and __normal.

Referenced by ScalarFunctionNormal::operator()().

00123   {
00124     __buildNormal();
00125     return (*__normal)[1];
00126   }

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real_t NormalManager::nz ( ) const [inline]

Access to the third component of the normal

Returns:

Definition at line 133 of file NormalManager.hpp.

References __buildNormal(), and __normal.

Referenced by ScalarFunctionNormal::operator()().

00134   {
00135     __buildNormal();
00136     return (*__normal)[2];
00137   }

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static NormalManager & StaticBase< NormalManager >::instance ( ) [inline, static, inherited]

Access to auto instanciated static;

Returns:: *__pInstance

Definition at line 46 of file StaticBase.hpp.

00047   {
00048     return *__pInstance;
00049   }

static void StaticBase< NormalManager >::create ( ) [inline, static, inherited]

Creates __pInstance in Embedding class.

Definition at line 55 of file StaticBase.hpp.

Referenced by ThreadStaticCenter::ThreadStaticCenter().

00056   {
00057     __pInstance = new EmbeddingClass();
00058   }

static void StaticBase< NormalManager >::destroy ( ) [inline, static, inherited]

Destroyes __autoInstanciated in Embedding class.

Definition at line 64 of file StaticBase.hpp.

Referenced by ThreadStaticCenter::~ThreadStaticCenter().

00065   {
00066     delete __pInstance;
00067   }

Member Data Documentation

const SurfElem* NormalManager::__surfElem [private]

The current surface element

Definition at line 45 of file NormalManager.hpp.

Referenced by __buildNormal(), subscribe(), unsubscribe(), update(), and ~NormalManager().

size_t NormalManager::__counter [private]

counts the current number of subscriptions

Definition at line 47 of file NormalManager.hpp.

Referenced by subscribe(), unsubscribe(), and ~NormalManager().

ReferenceCounting<TinyVector<3, real_t> > NormalManager::__normal [mutable, private]

This vector contains the normal vector

Definition at line 50 of file NormalManager.hpp.

Referenced by __buildNormal(), nx(), ny(), nz(), unsubscribe(), update(), and ~NormalManager().

NormalManager * StaticBase< NormalManager >::__pInstance [static, protected, inherited]

The static variable

Definition at line 37 of file StaticBase.hpp.

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

NormalManager.hpp


Public Member Functions
void	subscribe (const SurfElem *s)
void	update (const SurfElem *s)
void	unsubscribe ()
real_t	nx () const
real_t	ny () const
real_t	nz () const
	NormalManager ()
	~NormalManager ()
Static Public Member Functions
static NormalManager &	instance ()
static void	create ()
static void	destroy ()
Static Protected Attributes
static NormalManager *	__pInstance
Private Member Functions
void	__buildNormal () const
Private Attributes
const SurfElem *	__surfElem
size_t	__counter
ReferenceCounting< TinyVector < 3, real_t > >	__normal