SoVRMLPixelTexture - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 3.1.3
Note : Coin
NAMESoVRMLPixelTexture − The SoVRMLPixelTexture class is used for mapping a texture image onto geometry​.​.
SYNOPSIS
#include <Inventor/VRMLnodes/SoVRMLPixelTexture​.h> Inherits SoVRMLTexture​.
Public Member Functionsvirtual SoType getTypeId (void) const
SoVRMLPixelTexture (void)
virtual void doAction (SoAction *action)
virtual void GLRender (SoGLRenderAction *action)
virtual void callback (SoCallbackAction *action)
virtual void rayPick (SoRayPickAction *action)
Static Public Member Functionsstatic SoType getClassTypeId (void)
static void initClass (void)
Public AttributesSoSFImage image
Protected Member Functionsvirtual const SoFieldData * getFieldData (void) const
virtual ~SoVRMLPixelTexture ()
virtual SbBool readInstance (SoInput *in, unsigned short flags)
virtual void notify (SoNotList *list)
Static Protected Member Functionsstatic const SoFieldData ** getFieldDataPtr (void)
Additional Inherited Members
Detailed DescriptionThe SoVRMLPixelTexture class is used for mapping a texture image onto geometry​.​. The detailed class documentation is taken verbatim from the VRML97 standard (ISO/IEC 14772-1:1997)​. It is copyright The Web3D Consortium, and is used by permission of the Consortium:

PixelTexture { exposedField SFImage image 0 0 0 # see SoSFImage field SFBool repeatS TRUE field SFBool repeatT TRUE } The PixelTexture node defines a 2D image-based texture map as an explicit array of pixel values (image field) and parameters controlling tiling repetition of the texture onto geometry​. Texture maps are defined in a 2D coordinate system (s, t) that ranges from 0​.0 to 1​.0 in both directions​. The bottom edge of the pixel image corresponds to the S-axis of the texture map, and left edge of the pixel image corresponds to the T-axis of the texture map​. The lower-left pixel of the pixel image corresponds to s=0​.0, t=0​.0, and the top-right pixel of the image corresponds to s = 1​.0, t = 1​.0​. See 4​.6​.11, Texture maps (http://www.web3d.org/x3d/specifications/vrml/ISO-IEC-14772-VRML97/part1/concepts.html#4.6.11), for a general description of texture maps​. Figure 6​.13 depicts an example PixelTexture​.
  Figure 6​.13 -- PixelTexture node See 4​.14, Lighting model (http://www.web3d.org/x3d/specifications/vrml/ISO-IEC-14772-VRML97/part1/concepts.html#4.14), for a description of how the texture values interact with the appearance of the geometry​. SoSFImage, describes the specification of an image​. The repeatS and repeatT fields specify how the texture wraps in the S and T directions​. If repeatS is TRUE (the default), the texture map is repeated outside the 0-to-1 texture coordinate range in the S direction so that it fills the shape​. If repeatS is FALSE, the texture coordinates are clamped in the S direction to lie within the 0​.0 to 1​.0 range​. The repeatT field is analogous to the repeatS field​.
Constructor & Destructor Documentation
SoVRMLPixelTexture::SoVRMLPixelTexture (void)Constructor​.
SoVRMLPixelTexture::~SoVRMLPixelTexture () [protected], [virtual]Destructor​.
Member Function Documentation
SoType SoVRMLPixelTexture::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 SoVRMLTexture​.
const SoFieldData * SoVRMLPixelTexture::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 SoVRMLTexture​.
void SoVRMLPixelTexture::doAction (SoAction * action) [virtual]This function performs the typical operation of a node for any action​. Reimplemented from SoNode​.
void SoVRMLPixelTexture::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 SoVRMLTexture​.
void SoVRMLPixelTexture::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 SoVRMLPixelTexture::rayPick (SoRayPickAction * action) [virtual]Action method for SoRayPickAction​. Checks the ray specification of the action and tests for intersection with the data of the node​. Nodes influencing relevant state variables for how picking is done also overrides this method​. Reimplemented from SoNode​.
SbBool SoVRMLPixelTexture::readInstance (SoInput * in, unsigned short flags) [protected], [virtual]This method is mainly intended for internal use during file import operations​. It reads a definition of an instance from the input stream in​. The input stream state points to the start of a serialized / persistant representation of an instance of this class type​. TRUE or FALSE is returned, depending on if the instantiation and configuration of the new object of this class type went ok or not​. The import process should be robust and handle corrupted input streams by returning FALSE​. flags is used internally during binary import when reading user extension nodes, group nodes or engines​. Reimplemented from SoNode​.
void SoVRMLPixelTexture::notify (SoNotList * list) [protected], [virtual]Overloaded to detect when fields change​. Reimplemented from SoNode​.
AuthorGenerated automatically by Doxygen for Coin from the source code​. 0
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