SoIndexedTriangleStripSet - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 4.0.0
Note : Coin
NAMESoIndexedTriangleStripSet − The SoIndexedTriangleStripSet class keeps data for rendering and otherwise representing triangle strips​.
SYNOPSIS
#include <Inventor/nodes/SoIndexedTriangleStripSet​.h> Inherits SoIndexedShape​.
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​. SoIndexedTriangleStripSet (void)
virtual void GLRender (SoGLRenderAction *action)
virtual void getPrimitiveCount (SoGetPrimitiveCountAction *action)
virtual SbBool generateDefaultNormals (SoState *state, SoNormalBundle *nb)
Static Public Member Functionsstatic SoType getClassTypeId (void)
static void initClass (void)
Protected Member Functionsvirtual const SoFieldData * getFieldData (void) const
virtual ~SoIndexedTriangleStripSet ()
virtual SbBool generateDefaultNormals (SoState *state, SoNormalCache *nc)
virtual void generatePrimitives (SoAction *action)
Static Protected Member Functionsstatic const SoFieldData ** getFieldDataPtr (void)
Additional Inherited Members
Detailed DescriptionThe SoIndexedTriangleStripSet class keeps data for rendering and otherwise representing triangle strips​. Use nodes of this type as an effective way of drawing triangles which are strung together​. For more information, see the documentation of the SoTriangleStripSet node​. To render several strips within the same node, just separate the coordinate indices with -1​. For more information about indexed shapes, see documentation in SoIndexedShape and SoIndexedFaceSet​. Example scene graph: #Inventor V2.1 ascii Separator { Coordinate3 { point [ -2 1 0, -1 -1 0, 0 1 0, 1 -1 0, 2 1 0, # first strip, z==0 -2 1 5, -1 -1 5, 0 1 5, 1 -1 5, 2 1 5 # second strip, z==5 ] } IndexedTriangleStripSet { coordIndex [ 0, 1, 2, 3, 4, -1, 5, 6, 7, 8, 9, -1 ] } }FILE FORMAT/DEFAULTS: IndexedTriangleStripSet { vertexProperty NULL coordIndex 0 materialIndex -1 normalIndex -1 textureCoordIndex -1 }
Constructor & Destructor Documentation
SoIndexedTriangleStripSet::SoIndexedTriangleStripSet (void)Constructor​. Default field values will equal those set in the SoIndexedShape parent class​.
SoIndexedTriangleStripSet::~SoIndexedTriangleStripSet () [protected], [virtual]Destructor​.
Member Function Documentation
SoType SoIndexedTriangleStripSet::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 SoIndexedShape​.
const SoFieldData * SoIndexedTriangleStripSet::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 SoIndexedShape​.
void SoIndexedTriangleStripSet::GLRender (SoGLRenderAction * action) [virtual]Action method for the SoGLRenderAction​. This is called during rendering traversals​. Nodes influencing the rendering state in any way or who wants to throw geometry primitives at OpenGL overrides this method​. Reimplemented from SoShape​.
void SoIndexedTriangleStripSet::getPrimitiveCount (SoGetPrimitiveCountAction * action) [virtual]Action method for the SoGetPrimitiveCountAction​. Calculates the number of triangle, line segment and point primitives for the node and adds these to the counters of the action​. Nodes influencing how geometry nodes calculates their primitive count also overrides this method to change the relevant state variables​. Reimplemented from SoShape​.
SbBool SoIndexedTriangleStripSet::generateDefaultNormals (SoState * state, SoNormalBundle * bundle) [virtual]This API member is considered internal to the library, as it is not likely to be of interest to the application programmer​.


 Subclasses should override this method to generate default normals using the SoNormalBundle class​. TRUE should be returned if normals were generated, FALSE otherwise​. Default method returns FALSE​. This function is an extension for Coin, and it is not available in the original SGI Open Inventor v2​.1 API​.
Reimplemented from SoVertexShape​.
SbBool SoIndexedTriangleStripSet::generateDefaultNormals (SoState * state, SoNormalCache * cache) [protected], [virtual]This API member is considered internal to the library, as it is not likely to be of interest to the application programmer​.


 Subclasses should override this method to generate default normals using the SoNormalCache class​. This is more effective than using SoNormalGenerator​. Return TRUE if normals were generated, FALSE otherwise​. Default method just returns FALSE​. This function is an extension for Coin, and it is not available in the original SGI Open Inventor v2​.1 API​.
Reimplemented from SoVertexShape​.
void SoIndexedTriangleStripSet::generatePrimitives (SoAction * action) [protected], [virtual]The method implements action behavior for shape nodes for SoCallbackAction​. It is invoked from SoShape::callback()​. (Subclasses should not override SoNode::callback()​.) The subclass implementations uses the convenience methods SoShape::beginShape(), SoShape::shapeVertex(), and SoShape::endShape(), with SoDetail instances, to pass the primitives making up the shape back to the caller​. Implements SoShape​.
AuthorGenerated automatically by Doxygen for Coin from the source code​. 0
Johanes Gumabo
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