SoVRMLBox - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 3.1.3
Note : Coin

NAMESoVRMLBox − The SoVRMLBox class is used for representing a 3D box​.

SYNOPSIS
#include <Inventor/VRMLnodes/SoVRMLBox​.h> Inherits SoVRMLGeometry​.

Public Member Functionsvirtual SoType getTypeId (void) const
SoVRMLBox (void)
virtual void GLRender (SoGLRenderAction *action)
virtual void rayPick (SoRayPickAction *action)
virtual void getPrimitiveCount (SoGetPrimitiveCountAction *action)

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

Public AttributesSoSFVec3f size

Protected Member Functionsvirtual const SoFieldData * getFieldData (void) const
virtual ~SoVRMLBox ()
virtual void generatePrimitives (SoAction *action)
virtual void computeBBox (SoAction *action, SbBox3f &box, SbVec3f ¢er)

Static Protected Member Functionsstatic const SoFieldData ** getFieldDataPtr (void)

Additional Inherited Members

Detailed DescriptionThe SoVRMLBox class is used for representing a 3D box​. 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:

Box { field SFVec3f size 2 2 2 # (0, inf) } The Box node specifies a rectangular parallelepiped box centred at (0, 0, 0) in the local coordinate system and aligned with the local coordinate axes​. By default, the box measures 2 units in each dimension, from -1 to +1​. The size field specifies the extents of the box along the X-, Y-, and Z-axes respectively and each component value shall be greater than zero​. Figure 6​.2 illustrates the Box node​.
  Figure 6​.2
Textures are applied individually to each face of the box​. On the front (+Z), back (-Z), right (+X), and left (-X) faces of the box, when viewed from the outside with the +Y-axis up, the texture is mapped onto each face with the same orientation as if the image were displayed normally in 2D​. On the top face of the box (+Y), when viewed from above and looking down the Y-axis toward the origin with the -Z-axis as the view up direction, the texture is mapped onto the face with the same orientation as if the image were displayed normally in 2D​. On the bottom face of the box (-Y), when viewed from below looking up the Y-axis toward the origin with the +Z-axis as the view up direction, the texture is mapped onto the face with the same orientation as if the image were displayed normally in 2D​. SoVRMLTextureTransform affects the texture coordinates of the Box​. The Box node's geometry requires outside faces only​. When viewed from the inside the results are undefined​.

Constructor & Destructor Documentation

SoVRMLBox::SoVRMLBox (void)Constructor​.

SoVRMLBox::~SoVRMLBox () [protected], [virtual]Destructor​.

Member Function Documentation

SoType SoVRMLBox::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 SoVRMLGeometry​.

const SoFieldData * SoVRMLBox::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 SoVRMLGeometry​.

void SoVRMLBox::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 SoVRMLBox::rayPick (SoRayPickAction * action) [virtual]Calculates picked point based on primitives generated by subclasses​. Reimplemented from SoShape​.

void SoVRMLBox::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 SoVRMLBox::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​.

void SoVRMLBox::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

SoVRMLBox::sizeBox size vector​. Default value is (2,2,2)​.

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