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100

101

5 Build Virtual Reality Worlds

5-24

VRML Data Types

In this section...

“Section Overview” on page 5-24

“VRML Field Data Types” on page 5-24

“VRML Data Class Types” on page 5-26

Section Overview

VRML data types are used by VRML nodes to define objects and types of data that can

appear in the VRML node fields and events.

This section explains these VRML field data types and VRML data class types.

VRML Field Data Types

The Simulink 3D Animation product provides an interface between the MATLAB and

Simulink environment and VRML scenes. With this interface, you can set and get the

VRML scene node field values. To work with these values, you must understand the

relationship between VRML data types and the corresponding MATLAB data types. The

following table illustrates the VRML data types and how they are converted to and from

MATLAB types.

For a detailed description of the VRML fields, refer to the VRML97 Standard.

VRML Type Description Simulink 3D Animation Type

SFBool Boolean value true or false. logical

SFFloat 32–bit, floating-point value. single

SFInt32 32–bit, signed-integer value. int32

SFTime Absolute or relative time value. double

SFVec2f Vector of two floating-point

values that you usually use for

2-D coordinates. For example,

texture coordinates.

Single array (1-by-2)

SFVec3f Vector of three floating-point

values that you usually use for

3-D coordinates.

Single array (1-by-3)

1 2 ... 161 162 163 164 165 166 167 168 169 170 171 ... 489 490

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