DLG Attributes

The following table lists the different DLG attributes attached to every feature which has passed through the generated mapping file.

Field Name

Description

dlg_element_number

The element's internal identification number.

The numbers are unique, positive, and sequential within each element type.

Range: 1 - 32000

dlg_type

The DLG geometric type of this entity.

Range: dlg_point | dlg_line | dlg_area

Default: No default

dlg_code_list

A text string containing all Major and Minor codes assigned to this feature, in the following format:

Range:

<empty string> | <code list>
<code list> = (<major code>-<minor code>

[,<major code>-<minor code>]*)

For example, if the feature had major and minor code pairs of 180/201, 180/605, and 180/210, the string value of dlg_code_list attribute would be “(180-201,180-605,180-210)”

category

The full length text string of the feature’s category, as defined in the DLG standards. See DLG Categories.

description

A text string containing all descriptive terms assigned to the feature through the Major and Minor codes. The source of these strings are the DLG standards documentation. Each description is separated by a semicolon.

For example, if the feature had major and minor code pairs of 180/201, 180/605, and 180/210, the string value of description would be “Railroad; Underpassing; Arbitrary line extension [Code Deleted 07/95]”

coincidentFeature

If not null, this value indicates the other feature it is coincident with. The value refers to the coincident feature by its dlg_element_number.

Range: 1 - 32000