fields(3)

NAME
fields - Field Classes

  Classes
class SoField
The SoField class is the top-level abstract base class for fields.

Fields is the mechanism used throughout Coin for encapsulating basic data types to detect changes made to them, and to provide conversion, import and export facilities. "
class SoFieldData
The SoFieldData class is a container for a prototype set of fields.

This class is instantiated once for each class of objects which use fields, and which needs to be able to import and export them. "
class SoMFBitMask
The SoMFBitMask class is a container for a set of bitmasks.

This field is used where nodes, engines or other field containers needs to store multiple bitmasks with values from an enumerated set. "
class SoMFBool
The SoMFBool class is a container for SbBool values.

This field is used where nodes, engines or other field containers needs to store multiple boolean on/off or TRUE/FALSE values. "
class SoMFColor
The SoMFColor class is a container for SbColor values.

This field is used where nodes, engines or other field containers needs to store multiple color values (i.e. 'Red Green Blue' triplets). "
class SoMFColorRGBA
The SoMFColorRGBA class is a container for SbColor4f values.

This field is used where nodes, engines or other field containers needs to store multiple color values (i.e. 'Red Green Blue' triplets). "
class SoMFDouble
The SoMFDouble class is a container for double float precision point values.

This field is used where nodes, engines or other field containers needs to store a group of multiple floating point values. "
class SoMFEngine
The SoMFEngine class is a container for engines.

This field container stores an array of pointers to engines. It takes care of the necessary functionality for handling copy, import and export operations. "
class SoMFEnum
The SoMFEnum class is a container for a set of enumerated values.

This field is used where nodes, engines or other field containers needs to store values constrained to be from an enumerated set. "
class SoMFFloat
The SoMFFloat class is a container for floating point values.

This field is used where nodes, engines or other field containers needs to store a group of multiple floating point values. "
class SoMFInt32
The SoMFInt32 class is a container for 32-bit integer values.

This field is used where nodes, engines or other field containers needs to store a group of multiple 32-bit integer values. "
class SoMFMatrix
The SoMFMatrix class is a container for SbMatrix values.

This field is used where nodes, engines or other field containers needs to store matrices. "
class SoMFName
The SoMFName class is a container for SbName values.

This field is used where nodes, engines or other field containers needs to store arrays of names. "
class SoMFNode
The SoMFNode class is a container for nodes.

This field container stores an array of pointers to nodes. It takes care of the necessary functionality for handling copy, import and export operations. "
class SoMFPath
The SoMFPath class is a container for paths.

This field container stores an array of pointers to paths. It takes care of the necessary functionality for handling copy, import and export operations. "
class SoMFPlane
The SoMFPlane class is a container for SbPlane values.

This field is used where nodes, engines or other field containers needs to store multiple 3D plane definitions. "
class SoMFRotation
The SoMFRotation class is a container for SbRotation values.

This field is used where nodes, engines or other field containers needs to store multiple rotation definitions. "
class SoMFShort
The SoMFShort class is a container for short integer values.

This field is used where nodes, engines or other field containers needs to store a group of multiple short integer values. "
class SoMFString
The SoMFString class is a container for SbString values.

This field is used where nodes, engines or other field containers needs to store arrays of strings. "
class SoMFTime
The SoMFTime class is a container for SbTime values.

This field is used where nodes, engines or other field containers needs to store multiple time representations. "
class SoMFUInt32
The SoMFUInt32 class is a container for 32-bit unsigned integer values.

This field is used where nodes, engines or other field containers needs to store a group of multiple 32-bit unsigned integer values. "
class SoMFUShort
The SoMFUShort class is a container for unsigned short integer values.

This field supports application data sharing through a setValuesPointer() method. See SoMField documentation for information on how to use this function. "
class SoMFVec2b
The SoMFVec2b class is a container for SbVec2b vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with two elements. "
class SoMFVec2d
The SoMFVec2d class is a container for SbVec2d vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with two elements. "
class SoMFVec2f
The SoMFVec2f class is a container for SbVec2f vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with two elements. "
class SoMFVec2i32
The SoMFVec2i32 class is a container for SbVec2i32 vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with two elements. "
class SoMFVec2s
The SoMFVec2s class is a container for SbVec2s vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with two elements. "
class SoMFVec3b
The SoMFVec3b class is a container for SbVec3b vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with three elements. "
class SoMFVec3d
The SoMFVec3d class is a container for SbVec3d vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with three elements. "
class SoMFVec3f
The SoMFVec3f class is a container for SbVec3f vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with three elements. "
class SoMFVec3i32
The SoMFVec3i32 class is a container for SbVec3i32 vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with three elements. "
class SoMFVec3s
The SoMFVec3s class is a container for SbVec3s vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with three elements. "
class SoMFVec4b
The SoMFVec4b class is a container for SbVec4b vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with four elements. "
class SoMFVec4d
The SoMFVec4d class is a container for SbVec4d vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with four elements. "
class SoMFVec4f
The SoMFVec4f class is a container for SbVec4f vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with four elements. "
class SoMFVec4i32
The SoMFVec4i32 class is a container for SbVec4i32 vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with four elements. "
class SoMFVec4s
The SoMFVec4s class is a container for SbVec4s vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with four elements. "
class SoMFVec4ub
The SoMFVec4ub class is a container for SbVec4ub vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with four elements. "
class SoMFVec4ui32
The SoMFVec4ui32 class is a container for SbVec4ui32 vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with four elements. "
class SoMFVec4us
The SoMFVec4us class is a container for SbVec4us vectors.

This field is used where nodes, engines or other field containers needs to store an array of vectors with four elements. "
class SoMField
The SoMField class is the base class for fields which can contain multiple values.

All field types which may contain more than one member value inherits this class. SoMField is an abstract class. "
class SoSFBitMask
The SoSFBitMask class is a container for a set of bit flags.

This field is used where nodes, engines or other field containers needs to store one particular set of bit flags from an enumerated set. "
class SoSFBool
The SoSFBool class is a container for an SbBool value.

This field is used where nodes, engines or other field containers needs to store a boolean on/off or TRUE/FALSE value, like for instance as the 'on' field of the SoPointLight, SoSpotLight and SoDirectionalLight node classes. "
class SoSFBox2d
The SoSFBox2d class is a container for an SbBox2d vector.

This field is used where nodes, engines or other field containers needs to store a box. "
class SoSFBox2f
The SoSFBox2f class is a container for an SbBox2f vector.

This field is used where nodes, engines or other field containers needs to store a box. "
class SoSFBox2i32
The SoSFBox2i32 class is a container for an SbBox2i32 vector.

This field is used where nodes, engines or other field containers needs to store a box. "
class SoSFBox2s
The SoSFBox2s class is a container for an SbBox2s vector.

This field is used where nodes, engines or other field containers needs to store a box. "
class SoSFBox3d
The SoSFBox3d class is a container for an SbBox3d vector.

This field is used where nodes, engines or other field containers needs to store a box. "
class SoSFBox3f
The SoSFBox3f class is a container for an SbBox3f vector.

This field is used where nodes, engines or other field containers needs to store a box. "
class SoSFBox3i32
The SoSFBox3i32 class is a container for an SbBox3i32 vector.

This field is used where nodes, engines or other field containers needs to store a box. "
class SoSFBox3s
The SoSFBox3s class is a container for an SbBox3s vector.

This field is used where nodes, engines or other field containers needs to store a box. "
class SoSFColor
The SoSFColor class is a container for an SbColor value.

This field is used where nodes, engines or other field containers needs to store a single color value (i.e. Red + Green + Blue). "
class SoSFColorRGBA
The SoSFColorRGBA class is a container for an SbColor4f value.

This field is used where nodes, engines or other field containers needs to store a single color value (i.e. Red + Green + Blue + Alpha). "
class SoSFDouble
The SoSFDouble class is a container for a double precision floating point value.

This field is used where nodes, engines or other field containers needs to store a single floating point value. "
class SoSFEngine
The SoSFEngine class is a container for a single engine.

This field container stores a pointer to a Coin engine. It takes care of the necessary functionality for handling copy, import and export operations. "
class SoSFEnum
The SoSFEnum class is a container for an enum value.

This field is used where nodes, engines or other field containers needs to store one particular value out of an enumerated set. "
class SoSFFloat
The SoSFFloat class is a container for a floating point value.

This field is used where nodes, engines or other field containers needs to store a single floating point value. "
class SoSFImage
The SoSFImage class is used to store pixel images.

The SoSFImage class provides storage for inline 2D image maps. Images in Coin are mainly used for texture mapping support. "
class SoSFImage3
The SoSFImage3 class is used to store 3D (volume) images.

The SoSFImage3 class provides storage for inline 3D image maps. 3D images in Coin are mainly used for 3D texture mapping support. "
class SoSFInt32
The SoSFInt32 class is a container for a 32-bit integer value.

This field is used where nodes, engines or other field containers needs to store a single 32-bit integer value. "
class SoSFMatrix
The SoSFMatrix class is a container for an SbMatrix.

This field is used where nodes, engines or other field containers needs to store a 4x4 matrix. "
class SoSFName
The SoSFName class is a container for an SbName.

This field is used where nodes, engines or other field containers needs to store a single name string. "
class SoSFNode
The SoSFNode class is a container for a single node.

This field container stores a pointer to a Coin node. It takes care of the necessary functionality for handling copy, import and export operations. "
class SoSFPath
The SoSFPath class is a container for a single path.

This field container stores a pointer to a Coin path. It takes care of the necessary functionality for handling copy, import and export operations. "
class SoSFPlane
The SoSFPlane class is a container for an SbPlane value.

This field is used where nodes, engines or other field containers needs to store a single definition of a 3D plane. "
class SoSFRotation
The SoSFRotation class is a container for an SbRotation.

This field is used where nodes, engines or other field containers needs to store a single rotation definition. "
class SoSFShort
The SoSFShort class is a container for a short integer value.

This field is used where nodes, engines or other field containers needs to store a single short integer value. "
class SoSFString
The SoSFString class is a container for an SbString.

This field is used where nodes, engines or other field containers needs to store a single string. "
class SoSFTime
The SoSFTime class is a container for an SbTime value.

This field is used where nodes, engines or other field containers needs to store a single time representation. "
class SoSFTrigger
The SoSFTrigger class is the 'void' class used for detecting field changes.

Connect this field to a master field (or engine output) to detect when the master field changes its value. "
class SoSFUInt32
The SoSFUInt32 class is a container for a 32-bit unsigned integer value.

This field is used where nodes, engines or other field containers needs to store a single 32-bit unsigned integer value. "
class SoSFUShort
The SoSFUShort class is a container for a unsigned short integer value.

This field is used where nodes, engines or other field containers needs to store a single short unsigned integer value. "
class SoSFVec2b
The SoSFVec2b class is a container for an SbVec2b vector.

This field is used where nodes, engines or other field containers needs to store a single vector with two elements. "
class SoSFVec2d
The SoSFVec2d class is a container for an SbVec2d vector.

This field is used where nodes, engines or other field containers needs to store a single vector with two elements. "
class SoSFVec2f
The SoSFVec2f class is a container for an SbVec2f vector.

This field is used where nodes, engines or other field containers needs to store a single vector with two elements. "
class SoSFVec2i32
The SoSFVec2i32 class is a container for an SbVec2i32 vector.

This field is used where nodes, engines or other field containers needs to store a single vector with two elements. "
class SoSFVec2s
The SoSFVec2s class is a container for an SbVec2s vector.

This field is used where nodes, engines or other field containers needs to store a single vector with two elements. "
class SoSFVec3b
The SoSFVec3b class is a container for an SbVec3b vector.

This field is used where nodes, engines or other field containers needs to store a single vector with three elements. "
class SoSFVec3d
The SoSFVec3d class is a container for an SbVec3d vector.

This field is used where nodes, engines or other field containers needs to store a single vector with three elements. "
class SoSFVec3f
The SoSFVec3f class is a container for an SbVec3f vector.

This field is used where nodes, engines or other field containers needs to store a single vector with three elements. "
class SoSFVec3i32
The SoSFVec3i32 class is a container for an SbVec3i32 vector.

This field is used where nodes, engines or other field containers needs to store a single vector with three elements. "
class SoSFVec3s
The SoSFVec3s class is a container for an SbVec3s vector.

This field is used where nodes, engines or other field containers needs to store a single vector with three elements. "
class SoSFVec4b
The SoSFVec4b class is a container for an SbVec4b vector.

This field is used where nodes, engines or other field containers needs to store a single vector with four elements. "
class SoSFVec4d
The SoSFVec4d class is a container for an SbVec4d vector.

This field is used where nodes, engines or other field containers needs to store a single vector with four elements. "
class SoSFVec4f
The SoSFVec4f class is a container for an SbVec4f vector.

This field is used where nodes, engines or other field containers needs to store a single vector with four elements. "
class SoSFVec4i32
The SoSFVec4i32 class is a container for an SbVec4i32 vector.

This field is used where nodes, engines or other field containers needs to store a single vector with four elements. "
class SoSFVec4s
The SoSFVec4s class is a container for an SbVec4s vector.

This field is used where nodes, engines or other field containers needs to store a single vector with four elements. "
class SoSFVec4ub
The SoSFVec4ub class is a container for an SbVec4ub vector.

This field is used where nodes, engines or other field containers needs to store a single vector with four elements. "
class SoSFVec4ui32
The SoSFVec4ui32 class is a container for an SbVec4ui32 vector.

This field is used where nodes, engines or other field containers needs to store a single vector with four elements. "
class SoSFVec4us
The SoSFVec4us class is a container for an SbVec4us vector.

This field is used where nodes, engines or other field containers needs to store a single vector with four elements. "
class SoSField
The SoSField class is the base class for fields which contains only a single value.

All field types which should always contain only a single member value inherits this class. SoSField is an abstract class. "
class SoFieldList
The SoFieldList class is a container for pointers to SoField objects.

Detailed Description

The fields are the data containers in the scene graph. Nodes and engines all use fields to store their public data.

Fields can be inter-connected, causing changes at one location in a scene graph to cause other parts of the scene graph to automatically also get updated. Direct field-to-field connections will cause values to get duplicated, while field connections together with engines can create complex networks for such updating that include mathematical computations and logical operations. Field connections are uni-directional, but setting up a connection in both directions will cause a bi-directional connection.

Fields are first divided into two groups; 'single fields' and 'multi fields'. Single-fields contain just one value, while multi-fields can contain many values or even none at all.

Besides fields that are part of nodes, you also have 'global fields'. The 'realtime' field is one such field.

The fields in VRML97 nodes have additional semantics. Some are 'event_in' and some are 'event_out', listening for events or triggering events. 'event_in' events should not be read from, and 'event_out' fields should not be written to.

Author

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