Essential visual specifications vocabulary (Maritime Charting)

Calculated fields

Calculated fields allow you to determine the appearance of labels and annotation or basic data type values based on attributes you select. The fields are grouped based on the specification you choose.

Calculated representations

Calculated representations allow you to use attributes to determine the way features are symbolized. The representations are grouped based on specifications, which can be based on actual data models you are using.

Specification rule

A rule within a specification built using SQL statement and (or) VBScript expression can identify features in a feature class and define how those features could be symbolized and labeled for a product specification.

Visual specification

A collection of rules that manage representation symbology and label fields for many layers. You can apply these rules to multiple layers using the Calculate Visual Specifications tool.