Map 
Logical Entity Name  Map 
Default Table Name  Map 
Owner   
Definition  The Map is a graphic representation of the Garden.. Since there is only one Map it is a Scope entity.. As such it provides a place to articulate some underlying assumptions about aspects of the data and displays..
For example the map specifies assumptions of the model vis a' vis the territory being modeled.. In our case, the map specifies that the display unit of measure is pixels and the territory unit of measure is inches.
 

Map Attributes 
Attribute/Logical Rolename  Domain  Datatype  NULL  Definition 
Map Name(PK)  Name  NVARCHAR(50)  NO   
Map Rotation    VARCHAR(2)  YES  Direction of the upper left corner of the map. This will provide the map publisher with the appropriate information to detertmine the orientation of figures on the map. 
Display Unit of Measure  Unit Of Measure  NVARCHAR(5)  YES  The unit of measure for representations on the Map.Sincef the map is for a screen display the unit of measure will be pixels (px)..  
Territory Unit of Measure  Unit Of Measure  NVARCHAR(5)  YES  The unit of measure for the territory being mapped. For Garden maps this will normally be inches (in).  
Map Scale  Count  INTEGER  YES  The number of Display Units of Measure for each Territory Unit of Measure. For the Garden Database this will usually be pixels per inch.