Introduction to QGIS

This tutorial is a work in progress, and some sections may not be filled out yet. If you have any suggestions about how to improve this guide, or about topics you want to be included, feel free to tell us at dal@ioa.ucla.edu!

Installing QGIS

Organizing Your Files

Installing and Removing Plugins

Adding a Basemap with QuickMapServices

Overview of the Interface


Let’s talk about CRS…


Importing Data

GPX Files
Spreadsheet with latitude and longitude data (decimal degrees, dms)
LiDAR Data

Importing Polylines and Polygons

Joining Points Together

Tracing in QGIS

Georeferencing Raster Images

Some Preliminaries
Procedure

Joining External Data


Changing Symbols Based on Fields

Coloring
Marker Lines

Adding Labels

Adding Buffers


Area Calculations

Topographic Lines ↔ DEM

Topographic Lines to DEM
DEM to Topographic Lines

Least Cost Path

Viewsheds

Cluster Analyses

DBSCAN
K-means

Adding a Map

Adjusting the Zoom and Position of the Map Data

Adding Scale Bar and North Arrow

Scale Bar
North Arrow

Adding a Legend


Additional Resources

Consider taking a look through these links for more information.