SoIndexedShape - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 4.0.0
Note : Coin
NAMESoIndexedShape − The SoIndexedShape class is the superclass for all indexed vertex shapes.
SYNOPSIS
#include <Inventor/nodes/SoIndexedShape.h> Inherits SoVertexShape. Inherited by SoIndexedFaceSet, SoIndexedLineSet, SoIndexedPointSet, and SoIndexedTriangleStripSet.
Public Member Functionsvirtual SoType getTypeId (void) const
Returns the type identification of an object derived from a class inheriting SoBase. This is used for run-time type checking and 'downward' casting.
Static Public Member Functionsstatic SoType getClassTypeId (void)
static void initClass (void)
Public AttributesSoMFInt32 coordIndex
SoMFInt32 materialIndex
SoMFInt32 normalIndex
SoMFInt32 textureCoordIndex
Protected Member Functionsvirtual const SoFieldData * getFieldData (void) const
SoIndexedShape (void)
virtual ~SoIndexedShape ()
virtual void computeBBox (SoAction *action, SbBox3f &box, SbVec3f ¢er)
int getNumVerts (const int startCoord)
void setupIndices (const int numParts, const int numFaces, const SbBool needNormals, const SbBool needTexCoords)
const int32_t * getNormalIndices (void)
const int32_t * getColorIndices (void)
const int32_t * getTexCoordIndices (void)
SbBool getVertexData (SoState *state, const SoCoordinateElement *&coords, const SbVec3f *&normals, const int32_t *&cindices, const int32_t *&nindices, const int32_t *&tindices, const int32_t *&mindices, int &numcindices, const SbBool needNormals, SbBool &normalCacheUsed)
Static Protected Member Functionsstatic const SoFieldData ** getFieldDataPtr (void)
static SbBool areTexCoordsIndexed (SoAction *action)
Additional Inherited Members
Detailed DescriptionThe SoIndexedShape class is the superclass for all indexed vertex shapes. This is an abstract class which contains storage for four fields for indices to coordinates, normals, materials and texture coordinates for it's subclasses.
Constructor & Destructor Documentation
SoIndexedShape::SoIndexedShape (void) [protected]Constructor.
SoIndexedShape::~SoIndexedShape () [protected], [virtual]Destructor.
Member Function Documentation
SoType SoIndexedShape::getTypeId (void) const [virtual]Returns the type identification of an object derived from a class inheriting SoBase. This is used for run-time type checking and 'downward' casting. Usage example: void foo(SoNode * node)
{
if (node->getTypeId() == SoFile::getClassTypeId()) {
SoFile * filenode = (SoFile *)node; // safe downward cast, knows the type
}
}For application programmers wanting to extend the library with new nodes, engines, nodekits, draggers or others: 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 for instance Inventor/nodes/SoSubNode.h (SO_NODE_INIT_CLASS and SO_NODE_CONSTRUCTOR for node classes), Inventor/engines/SoSubEngine.h (for engine classes) and so on. For more information on writing Coin extensions, see the class documentation of the toplevel superclasses for the various class groups. Reimplemented from SoVertexShape. Reimplemented in SoIndexedTriangleStripSet, SoIndexedPointSet, SoIndexedMarkerSet, SoIndexedLineSet, and SoIndexedFaceSet.
const SoFieldData * SoIndexedShape::getFieldData (void) const [protected], [virtual]Returns a pointer to the class-wide field data storage object for this instance. If no fields are present, returns NULL. Reimplemented from SoVertexShape. Reimplemented in SoIndexedTriangleStripSet, SoIndexedPointSet, SoIndexedMarkerSet, SoIndexedLineSet, and SoIndexedFaceSet.
void SoIndexedShape::computeBBox (SoAction * action, SbBox3f & box, SbVec3f & center) [protected], [virtual]Implemented by SoShape subclasses to let the SoShape superclass know the exact size and weighted center point of the shape's bounding box. The bounding box and center point should be calculated and returned in the local coordinate system. The method implements action behavior for shape nodes for SoGetBoundingBoxAction. It is invoked from SoShape::getBoundingBox(). (Subclasses should not override SoNode::getBoundingBox().) The box parameter sent in is guaranteed to be an empty box, while center is undefined upon function entry. Implements SoShape.
int SoIndexedShape::getNumVerts (const int startCoord) [protected]Starting at index position startCoord, returns the number of indices until either the end of index array or a separator index (-1).
void SoIndexedShape::setupIndices (const int numParts, const int numFaces, const SbBool needNormals, const SbBool needTexCoords) [protected]Not implemented. Probably only used for internal purposes in SGI's original Open Inventor, which means it should have been private. Let us know if you need this method for any code you are porting and we'll look into implement it properly.
const int32_t * SoIndexedShape::getNormalIndices (void) [protected]Not implemented. Probably only used for internal purposes in SGI's original Open Inventor, which means it should have been private. Let us know if you need this method for any code you are porting and we'll look into implement it properly.
const int32_t * SoIndexedShape::getColorIndices (void) [protected]Not implemented. Probably only used for internal purposes in SGI's original Open Inventor, which means it should have been private. Let us know if you need this method for any code you are porting and we'll look into implement it properly.
const int32_t * SoIndexedShape::getTexCoordIndices (void) [protected]Not implemented. Probably only used for internal purposes in SGI's original Open Inventor, which means it should have been private. Let us know if you need this method for any code you are porting and we'll look into implement it properly.
SbBool SoIndexedShape::areTexCoordsIndexed (SoAction * action) [static], [protected]Returns whether texture coordinates should be indexed or not. See also SoTextureCoordinateBinding
SbBool SoIndexedShape::getVertexData (SoState * state, const SoCoordinateElement *& coords, const SbVec3f *& normals, const int32_t *& cindices, const int32_t *& nindices, const int32_t *& tindices, const int32_t *& mindices, int & numcindices, const SbBool needNormals, SbBool & normalCacheUsed) [protected]Convenience method that will fetch data needed for rendering or generating primitives. Takes care of normal cache. This method was not part of the original SGI Open Inventor API, and is an extension specific for Coin.
Member Data Documentation
SoMFInt32 SoIndexedShape::coordIndexCoordinate indices.
SoMFInt32 SoIndexedShape::materialIndexMaterial indices.
SoMFInt32 SoIndexedShape::normalIndexNormal indices.
SoMFInt32 SoIndexedShape::textureCoordIndexTexture coordinate indices.
AuthorGenerated automatically by Doxygen for Coin from the source code. 0
Johanes Gumabo
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