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NAME

       SoVRMLVertexPoint -

       The SoVRMLVertexPoint class is a superclass for point based VRML shapes.

SYNOPSIS

       #include <Inventor/VRMLnodes/SoVRMLVertexPoint.h>

       Inherits SoVRMLGeometry.

       Inherited by SoVRMLPointSet.

   Public Member Functions
       virtual void doAction (SoAction *action)
       virtual void GLRender (SoGLRenderAction *action)
       virtual void getBoundingBox (SoGetBoundingBoxAction *action)
       virtual void callback (SoCallbackAction *action)
       virtual void pick (SoPickAction *action)
       virtual void getPrimitiveCount (SoGetPrimitiveCountAction *action)
       virtual void notify (SoNotList *list)

   Static Public Member Functions
       static void initClass (void)

   Public Attributes
       SoSFNode coord
       SoSFNode color

   Protected Member Functions
       SoVRMLVertexPoint (void)
       virtual ~SoVRMLVertexPoint ()
       virtual SbBool shouldGLRender (SoGLRenderAction *action)
       virtual void computeBBox (SoAction *action, SbBox3f &box, SbVec3f &center)

Detailed Description

       The SoVRMLVertexPoint class is a superclass for point based VRML shapes.

Constructor & Destructor Documentation

   SoVRMLVertexPoint::SoVRMLVertexPoint (void) [protected] Constructor.
   SoVRMLVertexPoint::~SoVRMLVertexPoint () [protected, virtual] Destructor.

Member Function Documentation

   void SoVRMLVertexPoint::initClass (void) [static] Sets up initialization for data common to
       all instances of this class, like submitting necessary information to the Coin type
       system.
       Reimplemented from SoVRMLGeometry.

       Reimplemented in SoVRMLPointSet.

   void SoVRMLVertexPoint::doAction (SoAction *action) [virtual] This function performs the
       typical operation of a node for any action.
       Reimplemented from SoNode.

   void SoVRMLVertexPoint::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.

       Reimplemented in SoVRMLPointSet.

   void SoVRMLVertexPoint::getBoundingBox (SoGetBoundingBoxAction *action) [virtual] Action
       method for the SoGetBoundingBoxAction.
       Calculates bounding box and center coordinates for node and modifies the values of the
       action to encompass the bounding box for this node and to shift the center point for the
       scene more towards the one for this node.

       Nodes influencing how geometry nodes calculates their bounding box also overrides this
       method to change the relevant state variables.

       Reimplemented from SoShape.

       Reimplemented in SoVRMLPointSet.

   void SoVRMLVertexPoint::callback (SoCallbackAction *action) [virtual] Action method for
       SoCallbackAction.
       Simply updates the state according to how the node behaves for the render action, so the
       application programmer can use the SoCallbackAction for extracting information about the
       scene graph.

       Reimplemented from SoShape.

   void SoVRMLVertexPoint::pick (SoPickAction *action) [virtual] Action method for SoPickAction.
       Does common processing for SoPickAction action instances.

       Reimplemented from SoNode.

   void SoVRMLVertexPoint::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.

   void SoVRMLVertexPoint::notify (SoNotList *l) [virtual] Notifies all auditors for this
       instance when changes are made.
       Reimplemented from SoVRMLGeometry.

   SbBool SoVRMLVertexPoint::shouldGLRender (SoGLRenderAction *action) [protected, virtual] This
       API member is considered internal to the library, as it is not likely to be of interest to
       the application programmer.
       Reimplemented from SoVRMLGeometry.

   void SoVRMLVertexPoint::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.

Member Data Documentation

   SoSFNode SoVRMLVertexPoint::coord Should contain an SoVRMLCoordinate node.
   SoSFNode SoVRMLVertexPoint::color Can contain an SoVRMLColor node when color per point is
       needed.

Author

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