Pitney-bowes MapInfo Professional Uživatelský manuál stáhnout pdf (Strana 263)

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4. Ranged (or Individual Value) thematic layer - where All Attributes are applied.

5. Major layer or base layer.

6. Grid thematic layer.

When you create a new thematic layer, MapInfo Professional automatically inserts it into its proper place.

Displaying Thematic Layers

You can turn the display on and off for thematic layers the same way you can for other map layers. All

the display settings in Layer Control are also applicable to thematic layers, enabling you to set a zoom

level for each thematic layer. You can also access the Modify Thematic Map dialog box through Layer

Control by double-click the thematic layer.

Figure: Layer Control (Showing Thematic Layer above Base Map)

Thematic layers are displayed in the list with this naming convention:

The type of thematic map is noted first, followed by the list of variables used to create the map. For

example, a pie thematic layer that uses commuting data is listed this way:

Pies with ComAlone, ComCarpool...

The variable list is truncated if there is not enough room to display each variable in your analysis.

Types of Thematic Maps

With MapInfo Professional you can create seven types of thematic maps:

• Ranges

• Bar Charts

• Pie Charts

• Graduated Symbol

• Dot Density

• Individual

• Grid

Each has its own purpose and unique attributes. For example, using Ranges of Values, you could

thematically shade a map of the world according to population density. You could shade the countries

with graduated shades of red, the darkest red representing the most densely populated countries, and

the palest red representing the least densely populated countries. At a glance you can see the distribution

of the world's population.

263MapInfo Professional User Guide

Chapter 10: Creating Thematic and Other Themed Maps

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