Software Customisation Reference Manual
Event Driven Graphics : Components : Secondary Components
Secondary Components
Secondary components are used by the EDG system to derive information and in many cases can be used independently of the system.
The following table lists the secondary components and object that are used by the system:
Object
Description
edgTypes
Object factory for defined "edg" database type object, the interpreting how a database element is decomposed into their basic geometrical type, point, line, arc or plane.
appMathLib
Object factory for graphical application mathematical objects, used to derive information about basic geometrical objects, i.e. proportion, distance, etc.
edgPickData
Return data from a graphical pick.
edgPositionData
A processed version of the edgPickData object that is used to extract position and basic geometrical data from a picked element.
The system access many more components, either directly or indirectly, the above shows only those that are extensively used in the interpretation of data.
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