Pitney Bowes MapInfo Professional User Manual

Page 512

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Definition

Term

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The programming language used to customize
and/or automate MapInfo Professional. To create

MapBasic

MapBasic applications, you need the MapBasic
compiler, which is a separate product. However,
you do not need the MapBasic compiler to run a
compiled MapBasic application.

The MapInfo map catalog stores information about
the location of spatial columns on the DBMS. There

Map Catalog

must be one catalog per database. The EasyLoader
application can create this catalog for each
database: Oracle, SQL Server, PostGIS, and MS
Access. Additionally, you can create a map catalog
manually with instructions in the MapInfo
Professional User Guide. This is a one-time only
task per database and is required before any tables
on that database can be mapped in MapInfo
Professional.

A statement of a measure of the map and the
equivalent measure on the earth. Often expressed

map scale

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.

In a street map, a segment is a single section of
the street. In urban maps, segments are generally

map segment

one block long. Address ranges are stored at the
segment level.

A ratio or representative fraction (RF), expressed
as 1 inch = 63,360 mile or 1:1,000,000 (1 cm to 10

map scale

km), that indicates the relationship between a
distance on the map and the distance on the
ground.