Vertical Mapper Tutorial

Vertical Mapper Version 3.7 TUTORIALInformation in this document is subject to change without notice and does not represent a commitment on the part of the vendor or its representatives. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, without the written permission of Pitney Bowes Software Inc., One Global View, Troy, New York 12180-8399. © 2009 Pitney Bowes Software Inc. All rights reserved. MapInfo, the Pitney Bowes Business Insight logo, and are trademarks of Pitney Bowes Software Inc. and/or its affiliates. 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December 2009Table 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 3Table 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 3.7Table 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1