Pitney Bowes MapInfo Professional User Manual

Page 13

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Chapter 9: Selecting and Querying Data.......................................................223

Selecting Your Data in MapInfo Professional.................................................224

Characteristics of Selections....................................................................225

Selecting from the Screen........................................................................226

Selecting Tools.........................................................................................227

Unselecting Objects or Records...............................................................230

Querying Your Data in MapInfo Professional.................................................231

Selecting and Using Queries....................................................................231

Making Queries using the Select Command ...........................................234

Making Queries using the SQL Select Command ...................................234

Displaying Query Results Quickly............................................................235

Creating Query Expressions.....................................................................236

Using Select to Create Queries................................................................238

Interactively Selecting Objects.................................................................239

Using SQL Select to Query Data..............................................................240

Saving Queries.........................................................................................243

Using Date- and Time-Based Data in Maps and Queries .......................244

Using Templates for Queries....................................................................250

Deriving Columns.....................................................................................250

Creating Column Aliases..........................................................................251

Aggregating Data......................................................................................251

Joining Tables Using SQL Select.............................................................253

Joining Tables Geographically (Using Geographic Operators) ...............254

Joining Two or More Tables .....................................................................255

Finding Duplicate Values in a Column......................................................256

Calculating the Distance to a Fixed Point.................................................257

Chapter 10: Creating Thematic and Other Themed Maps...........................259

MapInfo Professional in Action........................................................................260

Using Thematic Mapping to Analyze Information..........................................260

Planning Your Thematic Map....................................................................261

Methods of Thematic Mapping.................................................................262

Types of Thematic Maps .........................................................................263

Ranged Maps ..........................................................................................264

Bar Chart Maps .......................................................................................266

Pie Chart Maps ........................................................................................267

Graduated Symbol Maps .........................................................................268

Dot Density Maps ....................................................................................269

Individual Value Maps ..............................................................................271

Grid Surface Maps ...................................................................................272

Creating a Thematic Map..................................................................................273

Step 1 - Choosing a Type of Thematic Template......................................273

Step 2 - Choosing Thematic Values.........................................................274

Step 3 - Customizing Your Thematic Map................................................275

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MapInfo Professional User Guide

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