NAME
SoUnits -
The SoUnits class is a node for setting unit types.
Even though Coin doesn’t care what units you are using in your scene
graph per se, there’s an advantage to using SoUnits nodes: you have a
way to split your scene graph into different ’conceptual’ parts.
SYNOPSIS
#include <Inventor/nodes/SoUnits.h>
Inherits SoTransformation.
Public Types
enum Units { METERS, CENTIMETERS, MILLIMETERS, MICROMETERS, MICRONS,
NANOMETERS, ANGSTROMS, KILOMETERS, FEET, INCHES, POINTS, YARDS,
MILES, NAUTICAL_MILES }
Public Member Functions
SoUnits (void)
virtual void doAction (SoAction *action)
virtual void callback (SoCallbackAction *action)
virtual void getBoundingBox (SoGetBoundingBoxAction *action)
virtual void getMatrix (SoGetMatrixAction *action)
virtual void GLRender (SoGLRenderAction *action)
virtual void pick (SoPickAction *action)
virtual void getPrimitiveCount (SoGetPrimitiveCountAction *action)
Static Public Member Functions
static void initClass (void)
Public Attributes
SoSFEnum units
Protected Member Functions
virtual ~SoUnits ()
Detailed Description
The SoUnits class is a node for setting unit types.
Even though Coin doesn’t care what units you are using in your scene
graph per se, there’s an advantage to using SoUnits nodes: you have a
way to split your scene graph into different ’conceptual’ parts.
When encountering SoUnit nodes, the traversal actions methods makes
sure the following geometry is scaled accordingly.
FILE FORMAT/DEFAULTS:
Units {
units METERS
}
Member Enumeration Documentation
enum SoUnits::Units Enumerates the available unit settings.
Constructor & Destructor Documentation
SoUnits::SoUnits (void) Constructor.
SoUnits::~SoUnits () [protected, virtual] Destructor.
Member Function Documentation
void SoUnits::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 SoTransformation.
void SoUnits::doAction (SoAction * action) [virtual] This function performs
the typical operation of a node for any action.
Reimplemented from SoNode.
void SoUnits::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 SoUnits::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 SoNode.
void SoUnits::getMatrix (SoGetMatrixAction * action) [virtual] Action
method for SoGetMatrixAction.
Updates action by accumulating with the transformation matrix of this
node (if any).
Reimplemented from SoNode.
void SoUnits::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 SoUnits::pick (SoPickAction * action) [virtual] Action method for
SoPickAction.
Does common processing for SoPickAction action instances.
Reimplemented from SoNode.
void SoUnits::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 SoNode.
Member Data Documentation
SoSFEnum SoUnits::units The units which will be used for nodes following
this node in the traversal (until the next SoUnit node, if any).
Default value of the field is SoUnits::METERS.
Author
Generated automatically by Doxygen for Coin from the source code.