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QGIS Quick Start Guide电子书

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11人正在读 | 0人评论 9.8

作       者:Andrew Cutts

出  版  社:Packt Publishing

出版时间:2019-01-31

字       数:8.8万

所属分类: 进口书 > 外文原版书 > 电脑/网络

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Step through loading GIS data, creating GIS data, styling GIS and making maps with QGIS following a simple narrative that will allow you to build confidence as you progress. Key Features * Work with GIS data, a step by step guide from creation to making a map * Perform geoprocessing tasks and automate them using model builder * Explore a range of features in QGIS 3.4, discover the power behind open source desktop GIS Book Description QGIS is a user friendly, open source geographic information system (GIS). The popularity of open source GIS and QGIS, in particular, has been growing rapidly over the last few years. This book is designed to help beginners learn about all the tools required to use QGIS 3.4. This book will provide you with clear, step-by-step instructions to help you apply your GIS knowledge to QGIS. You begin with an overview of QGIS 3.4 and its installation. You will learn how to load existing spatial data and create vector data from scratch. You will then be creating styles and labels for maps. The final two chapters demonstrate the Processing toolbox and include a brief investigation on how to extend QGIS. Throughout this book, we will be using the GeoPackage format, and we will also discuss how QGIS can support many different types of data. Finally, you will learn where to get help and how to become engaged with the GIS community. What you will learn * Use existing data to interact with the canvas via zoom/pan/selection * Create vector data and a GeoPackage and build a simple project around it * Style data, both vector and raster data, using the Layer Styling Panel * Design, label, save, and export maps using the data you have created * Analyze spatial queries using the Processing toolbox * Expand QGIS with the help of plugins, model builder, and the command line Who this book is for If you know the basic functions and processes of GIS, and want to learn to use QGIS to analyze geospatial data and create rich mapping applications, then this is the book for you.
目录展开

Title Page

Copyright and Credits

QGIS Quick Start Guide

Dedication

About Packt

Why subscribe?

Packt.com

Contributors

About the author

About the reviewer

Packt is searching for authors like you

Preface

Who this book is for

What this book covers

To get the most out of this book

Download the example code files

Download the color images

Conventions used

Get in touch

Reviews

Getting Started with QGIS 3

Installing QGIS

Installing on Windows

OSGeo4W installer

Latest release

Advanced installer

Updating via OSGeo4W

Installing on Ubuntu

Using QGIS

Toolbar and panel overview

Panels

Toolbars

Customizing

The main toolbars

Summary

Loading Data

GIS data

Loading data

GeoPackage

Interacting with the data

Identifying data

Data selection

Measuring distance and area

Projections

Saving data

Saving your project

Summary

Creating Data

Creating data

Creating a GeoPackage

Digitizing data

Creating points

Creating line data

Creating polygons

Scratch layers

Saving data to Shapefiles

Raster data

Creating a raster dataset

Summary

Styling Data

Layer Styling Panel

Styling vector data

Styling polygon data

Styling line data – rivers layer

Styling points – Airports layer

A word on data management

Styling raster data

The Raster Toolbar

Saving styles

Summary

Creating Maps

Labeling

Manually moving labels

Making a map in QGIS

Creating an Atlas

Creating a web map

Summary

Spatial Processing

The Processing Toolbox

What regions intersect pipelines?

What buildings and settlements are within 15,000 feet of the pipeline?

What is the distribution landcover types inside the buffered pipeline?

Raster analysis

Converting into vectors

Summary

Expanding QGIS 3

Model builder

Plugins in QGIS

Semi-Automatic Classification Plugin

Using the Python command line

Loading a layer

Inspecting the layer

Scripts

Loading raster data

Buffer script

Summary

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