Coin  4.0.3
Coin3D core library
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Field Classes

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

Classes

class  SoField
 The SoField class is the top-level abstract base class for fields. More...
 
class  SoFieldData
 The SoFieldData class is a container for a prototype set of fields. More...
 
class  SoFieldList
 The SoFieldList class is a container for pointers to SoField objects. More...
 
class  SoMFBitMask
 The SoMFBitMask class is a container for a set of bitmasks. More...
 
class  SoMFBool
 The SoMFBool class is a container for SbBool values. More...
 
class  SoMFColor
 The SoMFColor class is a container for SbColor values. More...
 
class  SoMFColorRGBA
 The SoMFColorRGBA class is a container for SbColor4f values. More...
 
class  SoMFDouble
 The SoMFDouble class is a container for double float precision point values. More...
 
class  SoMFEngine
 The SoMFEngine class is a container for engines. More...
 
class  SoMFEnum
 The SoMFEnum class is a container for a set of enumerated values. More...
 
class  SoMFFloat
 The SoMFFloat class is a container for floating point values. More...
 
class  SoMField
 The SoMField class is the base class for fields which can contain multiple values. More...
 
class  SoMFInt32
 The SoMFInt32 class is a container for 32-bit integer values. More...
 
class  SoMFMatrix
 The SoMFMatrix class is a container for SbMatrix values. More...
 
class  SoMFName
 The SoMFName class is a container for SbName values. More...
 
class  SoMFNode
 The SoMFNode class is a container for nodes. More...
 
class  SoMFPath
 The SoMFPath class is a container for paths. More...
 
class  SoMFPlane
 The SoMFPlane class is a container for SbPlane values. More...
 
class  SoMFRotation
 The SoMFRotation class is a container for SbRotation values. More...
 
class  SoMFShort
 The SoMFShort class is a container for short integer values. More...
 
class  SoMFString
 The SoMFString class is a container for SbString values. More...
 
class  SoMFTime
 The SoMFTime class is a container for SbTime values. More...
 
class  SoMFUInt32
 The SoMFUInt32 class is a container for 32-bit unsigned integer values. More...
 
class  SoMFUShort
 The SoMFUShort class is a container for unsigned short integer values. More...
 
class  SoMFVec2b
 The SoMFVec2b class is a container for SbVec2b vectors. More...
 
class  SoMFVec2d
 The SoMFVec2d class is a container for SbVec2d vectors. More...
 
class  SoMFVec2f
 The SoMFVec2f class is a container for SbVec2f vectors. More...
 
class  SoMFVec2i32
 The SoMFVec2i32 class is a container for SbVec2i32 vectors. More...
 
class  SoMFVec2s
 The SoMFVec2s class is a container for SbVec2s vectors. More...
 
class  SoMFVec3b
 The SoMFVec3b class is a container for SbVec3b vectors. More...
 
class  SoMFVec3d
 The SoMFVec3d class is a container for SbVec3d vectors. More...
 
class  SoMFVec3f
 The SoMFVec3f class is a container for SbVec3f vectors. More...
 
class  SoMFVec3i32
 The SoMFVec3i32 class is a container for SbVec3i32 vectors. More...
 
class  SoMFVec3s
 The SoMFVec3s class is a container for SbVec3s vectors. More...
 
class  SoMFVec4b
 The SoMFVec4b class is a container for SbVec4b vectors. More...
 
class  SoMFVec4d
 The SoMFVec4d class is a container for SbVec4d vectors. More...
 
class  SoMFVec4f
 The SoMFVec4f class is a container for SbVec4f vectors. More...
 
class  SoMFVec4i32
 The SoMFVec4i32 class is a container for SbVec4i32 vectors. More...
 
class  SoMFVec4s
 The SoMFVec4s class is a container for SbVec4s vectors. More...
 
class  SoMFVec4ub
 The SoMFVec4ub class is a container for SbVec4ub vectors. More...
 
class  SoMFVec4ui32
 The SoMFVec4ui32 class is a container for SbVec4ui32 vectors. More...
 
class  SoMFVec4us
 The SoMFVec4us class is a container for SbVec4us vectors. More...
 
class  SoSFBitMask
 The SoSFBitMask class is a container for a set of bit flags. More...
 
class  SoSFBool
 The SoSFBool class is a container for an SbBool value. More...
 
class  SoSFBox2d
 The SoSFBox2d class is a container for an SbBox2d vector. More...
 
class  SoSFBox2f
 The SoSFBox2f class is a container for an SbBox2f vector. More...
 
class  SoSFBox2i32
 The SoSFBox2i32 class is a container for an SbBox2i32 vector. More...
 
class  SoSFBox2s
 The SoSFBox2s class is a container for an SbBox2s vector. More...
 
class  SoSFBox3d
 The SoSFBox3d class is a container for an SbBox3d vector. More...
 
class  SoSFBox3f
 The SoSFBox3f class is a container for an SbBox3f vector. More...
 
class  SoSFBox3i32
 The SoSFBox3i32 class is a container for an SbBox3i32 vector. More...
 
class  SoSFBox3s
 The SoSFBox3s class is a container for an SbBox3s vector. More...
 
class  SoSFColor
 The SoSFColor class is a container for an SbColor value. More...
 
class  SoSFColorRGBA
 The SoSFColorRGBA class is a container for an SbColor4f value. More...
 
class  SoSFDouble
 The SoSFDouble class is a container for a double precision floating point value. More...
 
class  SoSFEngine
 The SoSFEngine class is a container for a single engine. More...
 
class  SoSFEnum
 The SoSFEnum class is a container for an enum value. More...
 
class  SoSFFloat
 The SoSFFloat class is a container for a floating point value. More...
 
class  SoSField
 The SoSField class is the base class for fields which contains only a single value. More...
 
class  SoSFImage
 The SoSFImage class is used to store pixel images. More...
 
class  SoSFImage3
 The SoSFImage3 class is used to store 3D (volume) images. More...
 
class  SoSFInt32
 The SoSFInt32 class is a container for a 32-bit integer value. More...
 
class  SoSFMatrix
 The SoSFMatrix class is a container for an SbMatrix. More...
 
class  SoSFName
 The SoSFName class is a container for an SbName. More...
 
class  SoSFNode
 The SoSFNode class is a container for a single node. More...
 
class  SoSFPath
 The SoSFPath class is a container for a single path. More...
 
class  SoSFPlane
 The SoSFPlane class is a container for an SbPlane value. More...
 
class  SoSFRotation
 The SoSFRotation class is a container for an SbRotation. More...
 
class  SoSFShort
 The SoSFShort class is a container for a short integer value. More...
 
class  SoSFString
 The SoSFString class is a container for an SbString. More...
 
class  SoSFTime
 The SoSFTime class is a container for an SbTime value. More...
 
class  SoSFTrigger
 The SoSFTrigger class is the "void" class used for detecting field changes. More...
 
class  SoSFUInt32
 The SoSFUInt32 class is a container for a 32-bit unsigned integer value. More...
 
class  SoSFUShort
 The SoSFUShort class is a container for a unsigned short integer value. More...
 
class  SoSFVec2b
 The SoSFVec2b class is a container for an SbVec2b vector. More...
 
class  SoSFVec2d
 The SoSFVec2d class is a container for an SbVec2d vector. More...
 
class  SoSFVec2f
 The SoSFVec2f class is a container for an SbVec2f vector. More...
 
class  SoSFVec2i32
 The SoSFVec2i32 class is a container for an SbVec2i32 vector. More...
 
class  SoSFVec2s
 The SoSFVec2s class is a container for an SbVec2s vector. More...
 
class  SoSFVec3b
 The SoSFVec3b class is a container for an SbVec3b vector. More...
 
class  SoSFVec3d
 The SoSFVec3d class is a container for an SbVec3d vector. More...
 
class  SoSFVec3f
 The SoSFVec3f class is a container for an SbVec3f vector. More...
 
class  SoSFVec3i32
 The SoSFVec3i32 class is a container for an SbVec3i32 vector. More...
 
class  SoSFVec3s
 The SoSFVec3s class is a container for an SbVec3s vector. More...
 
class  SoSFVec4b
 The SoSFVec4b class is a container for an SbVec4b vector. More...
 
class  SoSFVec4d
 The SoSFVec4d class is a container for an SbVec4d vector. More...
 
class  SoSFVec4f
 The SoSFVec4f class is a container for an SbVec4f vector. More...
 
class  SoSFVec4i32
 The SoSFVec4i32 class is a container for an SbVec4i32 vector. More...
 
class  SoSFVec4s
 The SoSFVec4s class is a container for an SbVec4s vector. More...
 
class  SoSFVec4ub
 The SoSFVec4ub class is a container for an SbVec4ub vector. More...
 
class  SoSFVec4ui32
 The SoSFVec4ui32 class is a container for an SbVec4ui32 vector. More...
 
class  SoSFVec4us
 The SoSFVec4us class is a container for an SbVec4us vector. More...
 

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.