SoNonIndexedShape - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 3.1.3
Note : Coin
NAMESoNonIndexedShape − The SoNonIndexedShape class is the superclass for all non-indexed vertex based shapes.
SYNOPSIS
#include <Inventor/nodes/SoNonIndexedShape.h> Inherits SoVertexShape. Inherited by SoFaceSet, SoLineSet, SoPointSet, SoQuadMesh, and SoTriangleStripSet.
Public Member Functionsvirtual SoType getTypeId (void) const
Static Public Member Functionsstatic SoType getClassTypeId (void)
static void initClass (void)
Public AttributesSoSFInt32 startIndex
Protected Member Functionsvirtual const SoFieldData * getFieldData (void) const
SoNonIndexedShape (void)
virtual ~SoNonIndexedShape ()
void computeCoordBBox (SoAction *action, int numVertices, SbBox3f &box, SbVec3f ¢er)
void fixNumVerticesPointers (SoState *state, const int32_t *&start, const int32_t *&end, int32_t *dummyarray) const
Static Protected Member Functionsstatic const SoFieldData ** getFieldDataPtr (void)
Additional Inherited Members
Detailed DescriptionThe SoNonIndexedShape class is the superclass for all non-indexed vertex based shapes. It contains the (now obsoleted) startIndex field and a convenience method for calculating the bounding box.
Constructor & Destructor Documentation
SoNonIndexedShape::SoNonIndexedShape (void) [protected]Constructor.
SoNonIndexedShape::~SoNonIndexedShape () [protected], [virtual]Destructor.
Member Function Documentation
SoType SoNonIndexedShape::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 SoTriangleStripSet, SoQuadMesh, SoPointSet, SoMarkerSet, SoLineSet, and SoFaceSet.
const SoFieldData * SoNonIndexedShape::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 SoTriangleStripSet, SoQuadMesh, SoPointSet, SoMarkerSet, SoLineSet, and SoFaceSet.
void SoNonIndexedShape::computeCoordBBox (SoAction * action, int numVertices, SbBox3f & box, SbVec3f & center) [protected]This method is provided as a convenient means for the subclasses of this class to find their bounding box and center value. The returned bounding box will enclose all vertices from startIndex up to startIndex + numVertices. If numVertices is less than zero, all vertices in the current coordinate element or vertex property node will be used in the calculation. The center point will be calculated as the average of all the vertices in the bounding box.
void SoNonIndexedShape::fixNumVerticesPointers (SoState * state, const int32_t *& start, const int32_t *& end, int32_t * dummyarray) const [protected]Convenience method that might adjust start and end pointers, which should point at the start and end of the numVertices array when calling this method. This takes care of the case where numVertices contains a single -1, and all coordinates in the state (or in the vertexProperty field) should be rendered as one primitive. dummyarray should be a temporary array, with room for one integer. Not part of the OIV API.
Member Data Documentation
SoSFInt32 SoNonIndexedShape::startIndexCoordinates are fetched from this index on. This field is now obsoleted, and is provided only for backward compatibility.
AuthorGenerated automatically by Doxygen for Coin from the source code. 0
Johanes Gumabo
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