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SoFaceDetail(3) | Coin | SoFaceDetail(3) |
NAME¶
SoFaceDetail - 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.SYNOPSIS¶
#include <Inventor/details/SoFaceDetail.h> Inherits SoDetail.Public Member Functions¶
virtual SoType getTypeId (void) const
Static Public Member Functions¶
static SoType getClassTypeId (void)
Additional Inherited 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.SoRayPickAction, SoPickedPoint,
SoCallbackAction
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¶
SoType SoFaceDetail::getTypeId (void) const [virtual]¶
Returns the type identification of a detail derived from a class inheriting SoDetail. This is used for run-time type checking and 'downward' casting. Usage example:void fuhbear(SoDetail * detail) { if (detail->getTypeId() == SoFaceDetail::getClassTypeId()) { // safe downward cast, know the type SoFaceDetail * facedetail = (SoFaceDetail *)detail; } return; // ignore if not a SoFaceDetail }For application programmers wanting to extend the library with new detail classes: this method needs to be overridden in all subclasses. This is typically done as part of setting up the full type system for extension classes, which is usually accomplished by using the pre-defined macros available through Inventor/nodes/SoSubDetail.h: SO_DETAIL_SOURCE and SO_DETAIL_INIT_CLASS. Implements SoDetail.
SoType SoFaceDetail::getClassTypeId (void) [static]¶
Returns the type for this class. Reimplemented from SoDetail.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 intidx) 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 intnum)¶
Used internally from library client code setting up a SoFaceDetail instance. See Also:getNumPoints()
void SoFaceDetail::setPoint (const intidx, const SoPointDetail *constdetail)¶
Used internally from library client code setting up a SoFaceDetail instance. See Also:getPoint(), getPoints()
void SoFaceDetail::setFaceIndex (const intidx)¶
Used internally from library client code setting up a SoFaceDetail instance. See Also:getFaceIndex()
void SoFaceDetail::setPartIndex (const intidx)¶
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. This function is specific for Coin, and is not present in SGI/TGS Open Inventor.void SoFaceDetail::incPartIndex (void)¶
Used internally from library client code setting up a SoFaceDetail instance. This function is specific for Coin, and is not present in SGI/TGS Open Inventor.Author¶
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