nodes(3)

NAME
nodes - Node Classes

 - Nodes are scene based objects performs various actions such as rendering.

SYNOPSIS

  Classes
class SoAlphaTest
The SoAlphaTest class is a node used to control the GL alpha test function.
class SoAnnotation
The SoAnnotation node draws all its child geometry on top of other geometry.
class SoAntiSquish
The SoAntiSquish class is used to reset to uniform scaling.
class SoArray
The SoArray class is a group node for setting up regular arrays of subgraphs.
class SoBaseColor
The SoBaseColor class provides a node type for convenient setting of the base material color.
class SoBlinker
The SoBlinker class is a cycling switch node.
class SoBumpMap
The SoBumpMap class is used to map a bump map onto subsequent shapes.
class SoBumpMapCoordinate
The SoBumpMapCoordinate class is a node for providing bump map coordinates to shape nodes.
class SoBumpMapTransform
The SoBumpMapTransform class is used to define 2D bump map transformations.
class SoCallback
The SoCallback class is a node type which provides a means of setting callback hooks in the scene graph.
class SoCacheHint
The SoCacheHint class is a node containing hints about how to cache geometry.
class SoCamera
The SoCamera class is the abstract base class for camera definition nodes.
class SoClipPlane
The SoClipPlane class is a node type for specifying clipping planes.
class SoColorIndex
The SoColorIndex class is used to specify color indices for subsequent shapes.
class SoComplexity
The SoComplexity class is a node type which is used to set the trade-off between quality and performance.
class SoCoordinate3
The SoCoordinate3 class is a node for providing coordinates to shape nodes.
class SoCoordinate4
The SoCoordinate4 class is a node for providing coordinates to shape nodes.
class SoDepthBuffer
The SoDepthBuffer class is a node used to control the GL depth buffer.
class SoDirectionalLight
The SoDirectionalLight class is a node type for specifying directional light sources.
class SoDrawStyle
The SoDrawStyle class specifies common rendering properties for shapes.
class SoEnvironment
The SoEnvironment class is a node for specifying global rendering parameters.
class SoEventCallback
The SoEventCallback class provides functionality for catching events.
class SoExtSelection
The SoExtSelection class can be used for extended selection functionality.
class SoFile
The SoFile class is node container for another model file.
class SoFont
The SoFont class is an appearance node for setting fonts.
class SoFontStyle
The SoFontStyle class changes the appearance of fonts for text rendering nodes.
class SoFrustumCamera
The SoFrustumCamera class defines a camera with a generic frustum..
class SoGroup
The SoGroup class is a node which managed other node instances.
class SoInfo
The SoInfo class is a node for holding text information.
class SoLOD
The SoLOD class is used to choose a child based distance between viewer and object.
class SoLabel
The SoLabel class is a node for holding label information in a scene graph.
class SoLevelOfDetail
The SoLevelOfDetail class is used to choose a child based on projected size.
class SoLight
The SoLight class is the base class for light emitting nodes.
class SoLightModel
The SoLightModel class is a node for specifying the model for geometry lighting.
class SoLinearProfile
The SoLinearProfile class is a node for specifying linear profile curves.
class SoListener
The SoListener class defines listener attributes used when rendering sound.
class SoLocateHighlight
The SoLocateHighlight class highlights geometry under the cursor.
class SoMaterial
The SoMaterial class is a node type for setting up material values for scene geometry.
class SoMaterialBinding
The SoMaterialBinding class is a node for setting up how materials are mapped to shapes.
class SoMatrixTransform
The SoMatrixTransform class is a transformation node.
class SoMultipleCopy
The SoMultipleCopy class redraws its children multiple times at different transformations.
class SoNode
The SoNode class is the base class for nodes used in scene graphs.
class SoNormal
The SoNormal class is a node for providing normals to the state.
class SoNormalBinding
The SoNormalBinding class is a node for specifying normal vector bindings.
class SoNurbsProfile
The SoNurbsProfile class is a node for specifying smooth profile curves.
class SoOrthographicCamera
The SoOrthographicCamera class defines a camera node with orthographic rendering.
class SoPackedColor
The SoPackedColor class is a node for setting diffuse and transparency material values.
class SoPathSwitch
The SoPathSwitch class traverses only when current path matches a configurable path.
class SoPendulum
The SoPendulum class is used to create oscillating rotations.
class SoPerspectiveCamera
The SoPerspectiveCamera class defines a camera node with perspective rendering.
class SoPickStyle
The SoPickStyle class is a node for setting up how to do picking.
class SoPointLight
The SoPointLight class is a node type for light sources.
class SoPolygonOffset
The SoPolygonOffset class is a node type for 'layering' rendering primitives.
class SoProfile
The SoProfile class is the abstract superclass for profile definitions.
class SoProfileCoordinate2
The SoProfileCoordinate2 class is a node specifying a set of 2D coordinates for profiles.
class SoProfileCoordinate3
The SoProfileCoordinate3 class is a node specifying a set of 3D coordinates for profiles.
class SoResetTransform
The SoResetTransform class is a node type which makes it possible to 'nullify' state during traversal.
class SoReversePerspectiveCamera
The SoReversePerspectiveCamera class defines a camera node with reverse perspective rendering.
class SoRotation
The SoRotation class specifies a rotation transformation.
class SoRotationXYZ
The SoRotationXYZ class is a node type for specifying rotation around a particular axis.
class SoRotor
The SoRotor class is a node used to animate rotations.
class SoScale
The SoScale class is a node type for scaling scene graph geometry.
class SoSceneTexture2
The SoSceneTexture2 class is used to create a 2D texture from a Coin scene graph.
class SoSceneTextureCubeMap
Renders a scene into a texture cube map.
class SoSelection
The SoSelection class manages a list of selected nodes.
class SoSeparator
The SoSeparator class is a state-preserving group node.
class SoShapeHints
The SoShapeHints class is a node containing hints about how to render geometry.
class SoShuttle
The SoShuttle class is used to oscillate between two translations.
class SoSpotLight
The SoSpotLight class is a node type for light sources with a cone shaped light volume.
class SoSurroundScale
The SoSurroundScale class is used to automatically scale geometry to surround other geometry.
class SoSwitch
The SoSwitch class is a group node which selects one child subgraph for traversal.
class SoTexture
Common base class for texture nodes.
class SoTexture2
The SoTexture2 class is used to map a 2D texture onto subsequent geometry in the scene graph.
class SoTexture3
The SoTexture3 class is used to map a 3D texture onto geometry.
class SoTexture2Transform
The SoTexture2Transform class is used to define 2D texture transformations.
class SoTexture3Transform
The SoTexture3Transform class is used to define 3D texture transformations.
class SoTextureCombine
The SoTextureCombine class is a node for setting texture combine functions.
class SoTextureCoordinate2
The SoTextureCoordinate2 class contains a set of coordinates for the mapping of 2D textures.
class SoTextureCoordinate3
The SoTextureCoordinate3 class contains a set of coordinates for the mapping of 2D textures.
class SoTextureCoordinateBinding
The SoTextureCoordinateBinding class says how texture coordinates should be bound to shapes.
class SoTextureCoordinateCube
The SoTextureCoordinateCube class generates cube mapped texture coordinates for shapes.
class SoTextureCoordinateCylinder
The SoTextureCoordinateCylinder class generates cylinder mapped texture coordinates for shapes.
class SoTextureCoordinateSphere
The SoTextureCoordinateSphere class generates sphere mapped texture coordinates for shapes.
class SoTextureCoordinateDefault
The SoTextureCoordinateDefault class removes texture coordinates from the state.
class SoTextureCoordinateEnvironment
The SoTextureCoordinateEnvironment class generates texture coordinates by projecting onto a surrounding texture.
class SoTextureCoordinateFunction
The SoTextureCoordinateFunction class is an abstract base class for texture coordinate generating nodes.
class SoTextureCoordinatePlane
The SoTextureCoordinatePlane class generates texture coordinates by projecting onto a plane.
class SoTextureCoordinateNormalMap
The SoTextureCoordinateNormalMap class generates texture coordinates by projecting onto a surrounding texture.
class SoTextureCoordinateReflectionMap
The SoTextureCoordinateReflectionMap class generates 3D reflection texture coordinates.
class SoTextureCoordinateObject
The SoTextureCoordinateObject class generates texture coordinates by...
class SoTextureCubeMap
The SoTextureCubeMap class is used to map a cube map onto subsequent shape nodes.
class SoTextureMatrixTransform
The SoTextureMatrixTransform class is used to define a texture matrix transformation.
class SoTextureScalePolicy
The SoTextureScalePolicy class is a node for controlling the texture scale policy.
class SoTextureUnit
The SoTextureUnit class is a node for setting the active texture unit.
class SoTransform
The SoTransform class is the 'all-purpose' transformation node type.
class SoTransparencyType
The SoTransparencyType class is a node for setting the transparency type for shapes.
class SoTransformSeparator
The SoTransformSeparator class is a group node preserving the current transformations.
class SoTransformation
The SoTransformation class is the abstract base class for transformation nodes.
class SoTranslation
The SoTranslation class is a node type for specifying geometry translations.
class SoUnits
The SoUnits class is a node for setting unit types.
class SoVertexProperty
The SoVertexProperty class collects the functionality of various appearance nodes.
class SoWWWAnchor
The SoWWWAnchor class adds URL callbacks to the highlighted geometry.
class SoWWWInline
The SoWWWInline class is a node used to include data from an URL.
class SoAsciiText
The SoAsciiText class renders flat 3D text.
class SoCone
The SoCone class is for rendering cone shapes.
class SoCube
The SoCube class is for rendering cubes.
class SoCylinder
The SoCylinder class is for rendering cylinder shapes.
class SoFaceSet
The SoFaceSet class is used to render and organize non-indexed polygonal face data.
class SoImage
The SoImage class draws a 2D image on the viewport.
class SoIndexedFaceSet
The SoIndexedFaceSet class is used to handle generic indexed facesets.
class SoIndexedLineSet
The SoIndexedLineSet class is used to render and otherwise represent indexed lines.
class SoIndexedMarkerSet
The SoIndexedMarkerSet class is used to display a set of bitmap markers at 3D positions.
class SoIndexedNurbsCurve
The SoIndexedNurbsCurve class is a node for representing smooth curves.
class SoIndexedNurbsSurface
The SoIndexedNurbsSurface class can be used to render NURBS surfaces.
class SoIndexedPointSet
The SoIndexedPointSet class is used to display a set of 3D points.
class SoIndexedShape
The SoIndexedShape class is the superclass for all indexed vertex shapes.
class SoIndexedTriangleStripSet
The SoIndexedTriangleStripSet class keeps data for rendering and otherwise representing triangle strips.
class SoLineSet
The SoLineSet class is used to render and organize non-indexed polylines.
class SoMarkerSet
The SoMarkerSet class displays a set of 2D bitmap markers in 3D.
class SoNonIndexedShape
The SoNonIndexedShape class is the superclass for all non-indexed vertex based shapes.
class SoNurbsCurve
The SoNurbsCurve class is a node for representing smooth curves.
class SoNurbsSurface
The SoNurbsSurface class is used to render smooth surfaces.
class SoPointSet
The SoPointSet class is used to display a set of 3D points.
class SoQuadMesh
The SoQuadMesh class is used to render and optimize a quadrilateral mesh.
class SoShape
The SoShape class is the superclass for geometry shapes.
class SoSphere
The SoSphere class is for rendering sphere shapes.
class SoText2
The SoText2 class is a node type for visualizing 2D text aligned with the camera plane.
class SoText3
The SoText3 class renders extruded 3D text.
class SoTriangleStripSet
The SoTriangleStripSet class is used to render and control non-indexed triangle strips.
class SoVertexShape
The SoVertexShape class is the superclass for all vertex based shapes.
class SoShadowStyle
The SoShadowStyle class is a node for setting the shadow style on nodes.
class SoShadowSpotLight
The SoShadowSpotLight class is a node for setting up a spot light which casts shadows.
class SoShadowCulling
The SoShadowCulling class is a node for setting the shadow style on nodes.
class SoGeoOrigin
The SoGeoOrigin class is used to specify an absolute geographic location against which geometry is referenced.
class SoGeoLocation
The SoGeoLocation class is used to georeference the following nodes.
class SoGeoSeparator
The SoGeoSeparator class is used to georeference a scene graph.
class SoGeoCoordinate
The SoGeoCoordinate class is used to specify a list of geographical coordinates.

  Macros
#define SO_NODE_HEADER(classname)
#define SO_NODE_ABSTRACT_HEADER(classname)
#define SO_NODE_INIT_CLASS(classname, parentclass, parentname)
#define SO_NODE_INIT_ABSTRACT_CLASS(classname, parentclass, parentname)
#define SO_NODE_SOURCE(classname)
#define SO_NODE_ABSTRACT_SOURCE(classname)
#define SO_NODE_CONSTRUCTOR(classname)
#define SO_NODE_IS_FIRST_INSTANCE()
#define SO_NODE_ADD_FIELD(field, defaultvalue)
#define SO_NODE_DEFINE_ENUM_VALUE(enumname, enumvalue)

Detailed Description

Nodes are scene based objects performs various actions such as rendering. This is the set of nodes Coin implements using the original Open Inventor pattern, meaning they read and write to and from files using the Inventor/VRML1 format, and produce side-effects for subsequent siblings under the same SoSeparator node during action traversal.

A subset of these nodes constitute the VRML1 format, and a bigger subset constitutes the Inventor format. The rest of the nodes are extensions that are not part of any standardized format.

For VRML97 nodes, see the VRML97 Classes page.

The VRML1.0 specification is at http://www.web3d.org/x3d/specifications/vrml/VRML1.0/index.html

Macro Definition Documentation

  #define SO_NODE_HEADER(classname)
This macro adds standard declarations needed in Coin nodes for object creation and type identification.

See also
    SO_NODE_SOURCE

  #define SO_NODE_ABSTRACT_HEADER(classname)
This macro adds standard declarations needed in Coin nodes for type identification. It differs from SO_NODE_HEADER in that the object creation part is omitted.

See also
    SO_NODE_ABSTRACT_SOURCE

  #define SO_NODE_INIT_CLASS(classname, parentclass, parentname)
This macro is used in the initClass-function in a node class. It registers the class by name (by creating a new SoType for the class), so file reading will be able to create a node of this type and fill it with its field values.

See also
    SO_NODE_INIT_ABSTRACT_CLASS

  #define SO_NODE_INIT_ABSTRACT_CLASS(classname, parentclass, parentname)
This macro is used in the initClass-function in abstract node classes. It registers the class by name (by creating a new SoType for the class) for type identification purposes.

See also
    SO_NODE_INIT_CLASS

  #define SO_NODE_SOURCE(classname)
This macro sets up the implementation of the declarations in SO_NODE_HEADER. It should be placed in the implementation file for extension nodes.

See also
    SO_NODE_HEADER

  #define SO_NODE_ABSTRACT_SOURCE(classname)
This macro sets up the implementation of the declarations in SO_NODE_ABSTRACT_HEADER. It should be placed in the implementation file for abstract extension nodes.

See also
    SO_NODE_ABSTRACT_HEADER

  #define SO_NODE_CONSTRUCTOR(classname)
Place this in the node constructor. It sets up the field data object for the node class.

  #define SO_NODE_IS_FIRST_INSTANCE()
This macro can be used as a predicate to test if the constructed node is the first constructed instance of a node class, in case some extra initialization needs to be done that can't be done in the initClass() function.

  #define SO_NODE_ADD_FIELD(field, defaultvalue)
This registers a field for a node, and sets its value to the default value. For use in the constructor, below the SO_NODE_CONSTRUCTOR macro.

  #define SO_NODE_DEFINE_ENUM_VALUE(enumname, enumvalue)
This macro associates enum names with values, used for file input/output.

Author

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