Pitney Bowes MapInfo ProViewer - Manual (Page 25)

longitude
The vertical lines on a map, running from the North to South poles, used to describe the east-west
position of a point. The position is reported as the number of degrees east (to -180.0 degrees) or west
(to +180.0 degrees) of the prime meridian (0 degrees). Lines of longitude are farthest apart at the Equator
and intersect at both poles, and therefore, are not parallel.
map scale
A statement of a measure of the map and the equivalent measure on the earth. Often expressed as a
representative ratio of distance, such as 1:10,000. This means that one unit of distance on the map (for
example, one inch) represents 10,000 of the same units of distance on the earth.
The term scale must be used carefully. Technically, a map of a single city block is large–scale (for
example, 1:12,000), while a map of an entire country is small–scale (for example, 1:1,000,000). A
1:1,000,000 map is considered small-scale because of the small numeric value obtained when you divide
1 by 1,000,000.
Map window
A window that allows you to view a table as a map.
node
An end-point of a line object, or an end-point of a line segment which is part of a polyline or region object.
raster image
A type of computerized picture consisting of row after row of tiny dots (pixels). Raster images are
sometimes known as bitmaps. Aerial photographs and satellite imagery are common types of raster data
found in GIS. A computer image can be represented in raster format or in vector format. See
Vector
Image on page 26.
record
All the information about one object in a database or table. A record in a table corresponds to a row.
selection
In MapInfo Professional, a data item or set of data items chosen for inspection and/or analysis. Regardless
of the kinds of windows on the screen, selections can be made using the Select and SQL Select Query
commands in MapInfo Professional’s Query menu. In Browsers and Map windows, items can be placed
in the selection set by clicking on them individually. Map windows also have special tools for selecting
multiple items on a spatial basis.
status bar
In MapInfo Professional, a bar at the bottom of the screen that displays messages that help in using
MapInfo Professional. The StatusBar also displays messages that pertain to the active window. In a Map
window, the StatusBar indicates what layer is editable, the zoom display of the map, and the status of
Snap and Digitizing modes. In a Browser window, the StatusBar indicates the number of records currently
displaying and the total number of records. In a Layout window, the StatusBar indicates the zoom display
as a percentage of the actual size of the map.
25 User Guide
Appendix A: Glossary