L

Layer

A thematic set of spatial data described and stored in a database. Layers organize a database or map library by subject matter (e.g., soils, roads, and wells). Conceptually, layers in a database environment are exactly like coverages.

Layout View

Once you decide to create a final map, switch to the Layout view. Here, you may add other map elements, such as a north arrow, legend, scale, title, and other textual information (e.g., author, date of data, date of map, projection type, etc.).

Leader Lines

This symbology allows you to draw an arrow indicating to which conduit annotation refers.

Legend

1. The reference area on a map that lists and explains the colors, symbols, line patterns, shadings, and annotation used on the map. 2. The symbol key used to interpret a map.

Line

  1. A set of ordered coordinates that represents the shape of geographic features too narrow to be displayed as an area at the given scale (e.g., contours, street centerlines, or streams), or linear features with no area (e.g., state and county boundary lines).

  2. A single arc in a coverage. 3. A line on a map (e.g., a neatline).

Linear Feature

A geographic feature that can be represented by a line or set of lines. For example, rivers, roads within a pizza delivery area, and electric and telecommunication networks are all linear features. Linear features are represented in ArcInfo by arcs or by the route-system feature class.

Linked Map Insert

Using the Map Insets tool, a linked map insert shows an external file in the destination frame. The following file types may be inserted: .bmp, .emp, .dgn, .dxf, .dwg, .jpg, .gif, .png, .tif.

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