Introduction to EON SDK - Construction IT research at VTT

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User Guide Tutorials Summary: • Use the Module Wizard to lay down the ground (skeleton code). • Remove stuff you don’t need. • Add or modify implementation to get the job done. • Most frequently, you will need to modify/add more command handlers and adapt the OnUpdate handler. 36 EON SDK 2.53.0
Reference Guide Introduction Introduction About the Reference Guide In this reference guide, you will find information on the functions used in EON SDK. The guide is divided into two sections—one section covers functions that are used when creating nodes, the other contains information needed to build modules In the first section, the functions are listed alphabetically. The listings provide function descriptions and information on parameters and return values. There are also short examples illustrating how the functions are used. General Data types The module section contains a list of COM interfaces used in EON SDK. The data types used in EON SDK are listed in the following table with information on the corresponding event types, a brief description for each data type, in addition to its valid range. You should be familiar with the standard data types used by EON. Single-value fields and events have names that begin with SF (for Single Field). Multiple-valued fields and events have names that begin with MF (Multiple Field). Type Event type name Description Range Integer SFInt32 An integer value [–2,147,483,648; 2,147,483,647] Float SFFloat A floating-point value [-3.4E-38; 3.4E 38] Double SFDouble A double precision float [-1.7E –308; 1.7E 308] String SFString A string N/A 2D float vector SFVec2f A two-dimensional float vector Same as Float for both components 3D float vector SFVec3f A three-dimensional float vector Same as Float for each component Boolean SFBool Boolean value TRUE/FALSE Node SFNode Reference to a node N/A Color SFColor Three floats, one for each of the Red, Green an Blue color components [0.0; 1.0] each Time SFTime A double precision float representing seconds Rotation SFRotation Four floats: rotation around an axis, measured in radians; the axis is defined in (x,y,z) coordinates Image SFImage Placeholder for an arbitrary byte vector Same as Double Same as Float for each component N/A All SF data types have an array counterpart carrying the prefix MF. These MF data types can hold several SF data values. For example, several SFNode values can be stored in a single MFNode field. 2.5 37
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