Vertical Mapper
Version 3.7
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December 2009Table of Contents
Chapter 1: Welcome to the Vertical Mapper Tutorial . . . . . . . . . . . . . . . . . . . . . . . 7
Using this Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
The Vertical Mapper Documentation Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Send us your Comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Chapter 1: Vertical Mapper Basics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Using the Vertical Mapper Toolbar and the Grid Manager . . . . . . . . . . . . . . . . . . . . . .10
Docking the Vertical Mapper Toolbar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Opening the Grid Manager. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Working with Grids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Types of GIS and grids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Opening Grids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Obtaining Information from Grids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Closing Map Windows and Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Chapter 2: Preparing Data for Analysis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Opening an Excel Spreadsheet in Vertical Mapper . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Making Data Mappable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Changing the Native Projection System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Aggregating Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Understanding your Data Set. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Aggregating Downtown_UTM.TAB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Chapter 3: Creating Grids Using Interpolation (Basic) . . . . . . . . . . . . . . . . . . . . 25
Creating a Numeric Grid using TIN Interpolation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Inspecting the Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Using the Poly-to-Point Function to Create a Point File . . . . . . . . . . . . . . . . . . . . . . . .29
Creating a Numeric Grid using Simple Natural Neighbour Interpolation . . . . . . . . . .33
Creating a Classified Grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Chapter 4: Creating Grids using Interpolation (Advanced). . . . . . . . . . . . . . . . . 37
Creating a Grid using Inverse Distance Weighting Interpolation . . . . . . . . . . . . . . . . .38
Exploring the Inverse Distance Weighted Interpolation Dialog Box. . . . . . . . . . . . . . . .39
Tutorial 3Table of Contents
Creating a Numeric Grid using Rectangular Interpolation . . . . . . . . . . . . . . . . . . . . . . 41
Chapter 5: Creating Grids Using Spatial Modelling . . . . . . . . . . . . . . . . . . . . . . .45
Modeling using the Location Profiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Modeling with Trade Area Analysis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Calculating the Probable Trade Area for One Site. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Calculating the Maximum Patronage for All Sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Chapter 6: Creating Cross Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Creating a Cross Section Graph along a Virtual Line . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Customizing a Cross Section Graph. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Creating a Cross Section Graph from a Line Object . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Showing Elevation and Field Strength along a Line Object . . . . . . . . . . . . . . . . . . . . . 55
Chapter 7: Contouring Grids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Creating Line Contours from a Numeric Grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Creating Region Contours from a Numeric Grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Contouring a Classified Grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Chapter 8: Performing Viewshed Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Performing a Simple Viewshed Calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Performing a Multi-point Viewshed Calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Performing a Complex Viewshed Calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Chapter 9: Determining Point-to-Point Intervisibility . . . . . . . . . . . . . . . . . . . . . .69
Determining Intervisibility using an Existing Line. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Determining the Intervisibility Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Using a Virtual Line to Determine Intervisibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Chapter 10: Modifying Grids Using the Grid Calculator . . . . . . . . . . . . . . . . . . . .75
Creating a Grid Math Expression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Normalizing Grid Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Using a Saved Expression to Normalize Grid Values . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Chapter 11: Performing a Grid Query. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Creating a Simple Query . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Performing a Query using Two Grids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Performing a Query using Two Grids and Multiple Conditions . . . . . . . . . . . . . . . . . . 86
Chapter 12: Obtaining Statistical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Comparing Predicted to Measured Transmitter Signal Strength . . . . . . . . . . . . . . . . . 90
Creating a Slope Grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Obtaining Statistics using the Line Info and the Line Inspection Tools . . . . . . . . . . . 92
Obtaining Statisticse Region Info and the Region Inspection Tools . . . . . . 94
4 Vertical Mapper 3.7Table of Contents
Chapter 13: Using the Correlation Tool. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Performing a Correlation Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Understanding the Correlation Coefficient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Examining the Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Grouping Correlation Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Performing a Predictive Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Chapter 14: Splicing Grids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Merging Two Grids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
Stamping Grids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
Creating a Cross Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
Chapter 15: Reclassing Grids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Reclassing a Classified Grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Reducing the Number of Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112
Chapter 16: Using the 3D View Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Creating a 3D Grid. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Changing the Viewing Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Setting the Light Source. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Setting the Parameters for the Loaded Grid. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Adding Layers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
Adding Drapes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Tutorial 5Table of Contents
6 Vertical Mapper 3.7
Welcome to the Vertical
Mapper Tutorial
® The Vertical Mapper Tutorial provides an overview of the basic functionality of
Vertical Mapper. The tutorial consists of a series of lessons, based on practical
examples of day-to-day GIS needs, ranging from simple to more complex
scenarios.
You should read the tutorial in conjunction with the supporting documentation
that explains the software and concepts in more detail.
Before you begin using the Vertical Mapper Tutorial, install the tutorial data by
inserting the Install CD-ROM into your computer and follow the prompts.
Topics in this Section:
Using this Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Send us your Comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8Using this Documentation
Using this Documentation
Before using this documentation, you should be familiar with the Windows environment. It is
assumed that you know how to access ToolTips and shortcut menus, move and copy objects, resize
dialog boxes, expand and collapse directory trees. In addition, it is assumed you are familiar with the
®basic functionality in MapInfo Professional .
All paths specified in the Vertical Mapper tutorial are relative to the Program Files folder on the C
drive of your computer.
The Vertical Mapper Documentation Set
Vertical Mapper comes with an extensive documentation set. You can access all the documentation
from the Vertical Mapper menu.
Documentation Title Purpose
Vertical Mapper Tutorial Explore Vertical Mapper and perform some of the basic Vertical
Mapper tasks. The Vertical Mapper Tutorial Guide is only available
as a .pdf file.
Vertical Mapper User Guide Perform operations on spatial data that is stored in grids, and
display, analyze and export digital elevation models and other
grid-based data. This document is available in both print and .pdf
formats.
Send us your Comments
We welcome any comments you have about our documentation. Send your comments to the
Documentation Manager at the following email address:
documentation@pb.com
.
8 Vertical Mapper 3.7
1
Vertical Mapper Basics
Before you start using Vertical Mapper to work with your GIS data, it is useful for
you to learn to use some of the frequently used functions available on the
Vertical Mapper toolbar and in the Grid Manager, which also lets you manage
your files.
In this lesson, you’ll discover the difference between a vector GIS and a raster
GIS. Vertical Mapper is a raster GIS, and all of your analyses will be performed
on grids. You’ll also learn to distinguish between a numeric grid and a classified
gird, both of which are raster maps. You’ll obtain data from vector and from
raster maps and find out the difference between closing a Map window, in which
grid maps are displayed, and closing a file.
In this lesson, you’ll learn:
Using the Vertical Mapper Toolbar and the Grid Manager . . . . . .10
Working with Grids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Obtaining Information from Grids. . . . . . . . . . . . . . . . . . . . . . . . . .14
Closing Map Windows and Files. . . . . . . . . . . . . . . . . . . . . . . . . . .14
Required filescan be found in:
• C:\Program Files\MapInfo\Professional\ vm\Tutorial\Lesson01 folderUsing the Vertical Mapper Toolbar and the Grid Manager
Using the Vertical Mapper Toolbar and the Grid Manager
Docking the Veoolbar
From the Vertical Mapper toolbar, you can conveniently access some of the functions that you’ll
need to manipulate and obtain data from a grid.
12345678910
1 Show Grid Manager Icon 2 Grid Info Icon 3 Line Info Icon 4 Region Info Icon
5 Cross Section Icon 6 Grid Trim Icon 7 Viewpoint Pick Icon
8 Point-to-Point Visibility Icon 9 Create Drape File Icon 10 VM Picker Tool Icon
To dock the Vertical Mapper toolbar on startup:
1. From the Vertical Mapper menu, choose the Preferences command.
2. Enable the Dock Toolbar on Startup check box, and click the OK button.
Opening the Grid Manager
You’ll open the Grid Manager, so that you can manipulate the display of maps in a Map window. The
Grid Manager lists all open Vertical Mapper raster map files.
To open the Grid Manager:
• On the Vertical Mapper toolbar, click the Show/Hide Grid Manager button. The Grid
Manager opens.
10 Vertical Mapper 3.7