Book Image

Learn QGIS - Fourth Edition

By : Andrew Cutts, Anita Graser
Book Image

Learn QGIS - Fourth Edition

By: Andrew Cutts, Anita Graser

Overview of this book

QGIS 3.4 is the first LTR (long term release) of QGIS version 3. This is a giant leap forward for the project with tons of new features and impactful changes. Learn QGIS is fully updated for QGIS 3.4, covering its processing engine update, Python 3 de-facto coding environment, and the GeoPackage format. This book will help you get started on your QGIS journey, guiding you to develop your own processing pathway. You will explore the user interface, loading your data, editing, and then creating data. QGIS often surprises new users with its mapping capabilities; you will discover how easily you can style and create your first map. But that’s not all! In the final part of the book, you’ll learn about spatial analysis and the powerful tools in QGIS, and conclude by looking at Python processing options. By the end of the book, you will have become proficient in geospatial analysis using QGIS and Python.
Table of Contents (8 chapters)

Loading data

We are going to start by loading data into QGIS 3.4. You may have some of your own data that you wish to use, but all of the techniques are applicable to any GIS data you have. We will use the QGIS sample data for these examples. Over the following chapters, we will use the sample dataset to eventually build maps.

Download the QGIS sample data from https://qgis.org/downloads/data/ and look for the qgis_sample_data.zip file. Download and extract this data to a folder on your computer.

Getting data into QGIS

Loading data into QGIS can be done in several ways. The three most common ways are as follows:

  • You can drag data directly from a folder straight into the map.
  • You can drag data from the browser panel (shown...