NAME

       SoTextureCoordinate3 -

       The SoTextureCoordinate3 class contains a set of coordinates for the mapping of 2D textures.

       When encountering nodes of this type during traversal, the coordinates it contains will be put on the
       state stack. Some shape nodes can then use these coordinates for explicit, detailed control of how 3D
       textures are mapped.

SYNOPSIS

       #include <Inventor/nodes/SoTextureCoordinate3.h>

       Inherits SoNode.

   Public Member Functions
       virtual 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.
       SoTextureCoordinate3 (void)
       virtual void doAction (SoAction *action)
       virtual void GLRender (SoGLRenderAction *action)
       virtual void callback (SoCallbackAction *action)
       virtual void pick (SoPickAction *action)

   Static Public Member Functions
       static SoType getClassTypeId (void)
       static void initClass (void)

   Public Attributes
       SoMFVec3f point

   Protected Member Functions
       virtual const SoFieldData * getFieldData (void) const
       virtual ~SoTextureCoordinate3 ()

   Static Protected Member Functions
       static const SoFieldData ** getFieldDataPtr (void)

   Additional Inherited Members

Detailed Description

       The SoTextureCoordinate3 class contains a set of coordinates for the mapping of 2D textures.

       When encountering nodes of this type during traversal, the coordinates it contains will be put on the
       state stack. Some shape nodes can then use these coordinates for explicit, detailed control of how 3D
       textures are mapped.

       (If 3D textures are used without any SoTextureCoordinate3 nodes in the scenegraph leading up to a shape
       node, the shape types have default fallbacks. So SoTextureCoordinate3 nodes are only necessary to use if
       you are not satisfied with the default mapping.)

       Note that an SoTextureCoordinate3 node will replace the coordinates already present in the state (if
       any).

       Be aware that this class is an extension for Coin, and it is not available in the original SGI Open
       Inventor v2.1 API.

       FILE FORMAT/DEFAULTS:

       TextureCoordinate3 {
           point [  ]
       }

       See Also:
           SoTextureCoordinate2

       Since:
           Coin 2.0

           TGS Inventor 2.6

Constructor & Destructor Documentation

   SoTextureCoordinate3::SoTextureCoordinate3 (void)
       Constructor.

   SoTextureCoordinate3::~SoTextureCoordinate3 () [protected],  [virtual]
       Destructor.

Member Function Documentation

   SoType SoTextureCoordinate3::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.

       Implements SoBase.

   const SoFieldData * SoTextureCoordinate3::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 SoFieldContainer.

   void SoTextureCoordinate3::doAction (SoAction *action) [virtual]
       This function performs the typical operation of a node for any action.

       Reimplemented from SoNode.

   void SoTextureCoordinate3::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 SoNode.

   void SoTextureCoordinate3::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 SoNode.

   void SoTextureCoordinate3::pick (SoPickAction *action) [virtual]
       Action method for SoPickAction.

       Does common processing for SoPickAction action instances.

       Reimplemented from SoNode.

Member Data Documentation

   SoMFVec3f SoTextureCoordinate3::point
       The set of 3D texture coordinates. Default value of field is an empty set.

       Texture coordinates are usually specified in normalized coordinates, ie in the range [0, 1]. Coordinates
       outside the [0, 1] range can be used to repeat the texture across a surface.

       See Also:
           SoTexture3::wrapR, SoTexure3::wrapS, SoTexture3::wrapT

Author

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