9. Working with Spatial Analyst | ArcGIS for Desktop Cookbook

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Table Of Contents

ArcGIS for Desktop Cookbook

By : Daniela C Docan

1 (1)

ArcGIS for Desktop Cookbook

1 (1)

By: Daniela C Docan

Overview of this book

This book is a good companion to get you quickly acquainted with everything you need to increase your productivity with the ArcGIS Desktop. It would be helpful to have a bit of familiarity with basic GIS concepts. If you have no previous experience with ArcGIS, this book will still be helpful for you because it will help you catch up to the acquainted users from a practical point of view.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Sections

Conventions

Reader feedback

Customer support

Free Chapter

1. Designing Geodatabase

1. Designing Geodatabase

Introduction

Creating a file geodatabase

Creating a feature dataset

Creating a feature class

Creating subtypes

Creating domains

Using subtypes and domains together

Creating a relationship class

2. Editing Data

2. Editing Data

Introduction

Editing features in a geodatabase

Advanced editing in a geodatabase

Creating geodatabase topology

Editing geodatabase topology

3. Working with CRS

3. Working with CRS

Introduction

Understanding projections

Projecting vector data

Georeferencing raster data

Setting a custom coordinate reference system

4. Geoprocessing

4. Geoprocessing

Introduction

Spatial joining features

Using spatial adjustment

Using common tools

Creating models

5. Working with Symbology

5. Working with Symbology

Introduction

Managing styles

Modifying symbols

Creating custom symbology

Using proportional symbology

Using the symbol levels

Using representation

6. Building Better Maps

6. Building Better Maps

Introduction

Creating and editing labels

Labeling with Maplex Label Engine

Creating and editing annotation

Using annotation and masking for contours

Creating a bivariate map

7. Exporting Your Maps

7. Exporting Your Maps

Introduction

Creating a map layout

Exporting your map to the PDF and GeoTIFF formats

Creating an atlas of maps

Publishing maps on the Internet

8. Working with Geocoding and Linear Referencing

8. Working with Geocoding and Linear Referencing

Introduction

Preparing data for geocoding

Geocoding addresses

Geocoding with alternative names

Creating and editing routes

Creating and editing events

Working with complex routes

Analyzing events

9. Working with Spatial Analyst

9. Working with Spatial Analyst

Introduction

Analyzing surfaces

Interpolating data

Reclassifying a raster

Working with Map Algebra

Working with Cell Statistics

Generalizing a raster

Creating density surfaces

Analyzing the least-cost path

10. Working with 3D Analyst

10. Working with 3D Analyst

Introduction

Creating 3D features from 2D features

Creating a TIN surface

Creating a terrain dataset

Creating raster and TIN from a terrain dataset

Intervisibility

Creating a profile graph

Creating an animation

11. Working with Data Interoperability

11. Working with Data Interoperability

Introduction

Exporting file geodatabase to different data formats

Importing data from the XML format

Importing vector data

Importing raster data

Spatial ETL

Index

Index

Reclassifying a raster

When you reclassify a raster, you reassign one or more cell values or a range of values to new output cell values. You may need to reclassify a raster to:

Update the cell values with new information from the field
Simplify raster data
Add cell values to a common scale
Exclude values from analysis by setting those values to NoData
Include NoData cells in analysis by setting values to those cells

The classification method and the number of classes you define will affect the raster displaying and interpreting process.

Getting ready

In this recipe, you will add the cell values to a common scale for three thematic raster layers: LandUse, SlopeProcent, and Aspect.

How to do it...

Follow these steps to reclassify three raster layers:

Start ArcMap and open a new map document. Add the following datasets to the map:
- The LandUse feature class from ...Data\SpatialAnalyst\ TOPO5000.gdb\LandUse
- The Elevation, SlopeProcent, and Aspect rasters from SpatialAnalyst\ScratchTOPO5000.gdb
Save your...

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Tech Concepts

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Programming languages

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