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

Creating density surfaces

Density surfaces estimate the concentrations of points or polylines per unit of area. ArcGIS allows you to create a density surface using two methods:

Simple—calculate the cell values using a circular search area around the raster cell
Kernel (Kernel Density Estimation or (KDE)—use a circular search area centered on the sample point or polyline feature; the cell value is calculated based on the overlapping kernel-density surface values

Getting ready

In this recipe, you will prepare data for analysis by representing the built-up area using the Buildings polygon feature class. You will use the kernel density function to estimate the number of buildings per square kilometer. Using the same function, you will create the density surfaces based on the selected features (for example, dwellings and dwellings made of clay) and based on an attribute field (for example, the number of families, population, and so on).

How to do it...

Follow these steps to create two density raster...

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