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# SoFaceDetail Class Reference
[Detail classes]

`#include <Inventor/details/SoFaceDetail.h>`

Inheritance diagram for SoFaceDetail:

List of all members.

## Detailed Description

The SoFaceDetail class is for storing detailed polygon information.

Instances of this class are used among other things for storing information about polygons after pick operations, and for storing information returned to tessellation callbacks.

Note that a SoFaceDetail instance consists of a set of SoPointDetail instances, one for each vertex of the polygon it represents.

See also:
  SoRayPickAction, SoPickedPoint, SoCallbackAction

## Public Member Functions
| SoFaceDetail (void)
virtual | ~SoFaceDetail ()
virtual SoDetail * | copy (void) const
int | getNumPoints (void) const
const SoPointDetail * | getPoint (const int idx) const
SoPointDetail * | getPoints (void)
int | getFaceIndex (void) const
int | getPartIndex (void) const
void | setNumPoints (const int num)
void | setPoint (const int idx, const SoPointDetail *const detail)
void | setFaceIndex (const int idx)
void | setPartIndex (const int idx)
void | incFaceIndex (void)
void | incPartIndex (void)
## Static Public Member Functions
void | initClass (void)

## Constructor & Destructor Documentation

SoFaceDetail::SoFaceDetail | ( | void |  | ) |

| Default constructor sets up an empty, non-valid detail specification.

SoFaceDetail::~SoFaceDetail | ( |  | ) | `[virtual]`

| Destructor, free internal resources used for storing the polygon vertices.

## Member Function Documentation

void SoFaceDetail::initClass | ( | void |  | ) | `[static]`

| Initialize relevant common data for all instances, like the type system. Reimplemented from SoDetail.

SoDetail * SoFaceDetail::copy | ( | void |  | ) | const`[virtual]`

| Return a deep copy of ourself. Note that if the Coin library has been built as a DLL under Microsoft Windows and you use this method from application code, you must make sure that both the Coin DLL and the application executable is using the same instance of a C Run-Time (CRT) library. Otherwise, you will get memory heap corruption upon deallocating the returned instances, eventually leading to mysterious crashes. Implements SoDetail.

int SoFaceDetail::getNumPoints | ( | void |  | ) | const

| Number of vertices making up the polygon.

const SoPointDetail * SoFaceDetail::getPoint | ( | const int | idx | ) | const

| Returns a pointer into the array of vertices, starting at the idx'th vertice of the polygon. The array will contain (SoFaceDetail::getNumPoints() - idx) elements.

SoPointDetail * SoFaceDetail::getPoints | ( | void |  | ) |

| Returns the full array of vertice details for the polygon. The array will contain SoFaceDetail::getNumPoints() elements.

int SoFaceDetail::getFaceIndex | ( | void |  | ) | const

| Returns the index of this polygon within the faceset node it is part of.

int SoFaceDetail::getPartIndex | ( | void |  | ) | const

| If this SoFaceDetail represents a triangle tessellated from a complex shape, this method returns the index of the part of the complex shape it was tessellated from.

void SoFaceDetail::setNumPoints | ( | const int | num | ) |

| Used internally from library client code setting up a SoFaceDetail instance. See also: getNumPoints()

void SoFaceDetail::setPoint | ( | const int | idx,
|  | const SoPointDetail *const | detail
| ) |

| Used internally from library client code setting up a SoFaceDetail instance. See also: getPoint(), getPoints()

void SoFaceDetail::setFaceIndex | ( | const int | idx | ) |

| Used internally from library client code setting up a SoFaceDetail instance. See also: getFaceIndex()

void SoFaceDetail::setPartIndex | ( | const int | idx | ) |

| Used internally from library client code setting up a SoFaceDetail instance. See also: getPartIndex()

void SoFaceDetail::incFaceIndex | ( | void |  | ) |

| Used internally from library client code setting up a SoFaceDetail instance.

void SoFaceDetail::incPartIndex | ( | void |  | ) |

| Used internally from library client code setting up a SoFaceDetail instance.

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

- SoFaceDetail.h
- SoFaceDetail.cpp