: Public <<Union>> Class
Created: 10-04-2008 12:16:13
Modified: 10-04-2008 12:16:13
Project:
Advanced:
The data type GM_Position is a union type consisting of either a DirectPosition or of a reference to a GM_Point from which a DirectPosition shall be obtained. The use of this data type allows the identification of a position either directly as a coordinate (variant direct) or indirectly as a reference to a GM_Point (variant indirect).<br /></p><p>GM_Position::direct [0,1] : DirectPosition; <br /></p><p>GM_Position::indirect [0,1] : GM_PointRef;<br /></p><p><br /></p><p>GM_Position:<br /></p><p> {direct.isNull = indirect.isNotNull}<br /></p>
Attribute
Public DirectPosition
  direct
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Public GM_PointRef
  indirect
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Element Source Role Target Role
GM_PointArray
Class  
Name:  
 
Name: column
 
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Tag Value
persistence persistent
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