By creating an attribute map of a segment map, each segment code in the original map is replaced by the value found in a certain column in the attribute table.
A segment map using a Class or ID domain, can have extra attribute information on the classes or identifiers in the map. These attributes are stored in columns in an attribute table. The attribute table can be linked to the map to which it refers, or to the domain of the map. You can check whether an attribute table is linked to the segment map or to its domain through the Properties dialog box of the map or the domain.
Dialog box options:
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Input segment map: |
Select an input segment map. Open the list box and select the desired input map, or drag a segment map directly from the Catalog into this box. The input map should be a domain Class or ID map. |
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Table: |
By default, the attribute table linked to the selected input map or to its domain is shown. In case you want to use another table, select a table with the same domain as the input map from the list box. |
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Attribute: |
Select an attribute column from the attribute table. |
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Output segment map: |
Type a name for the output segment map that will contain the attribute values. |
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Description: |
Optionally, type a description for the output map. The description will appear in the status bar of the Main window when moving the mouse pointer over the map in a Catalog, and in the title bar of a map window when the output map is displayed. If no description is supplied, the output map will use its own definition as description. |
When you click the Show button, the dependent output map will be defined, calculated and shown. When you click the Define button, the dependent output map will only be defined; if necessary the map will be calculated later, for instance when the map is opened to be displayed.
See also: