About the Authors
Alex Mandel is a geospatial scientist who has a PhD in geography and more than 12 years of experience in applying GIS to a variety of projects. He has also taught courses on GIS, geospatial programming, and Geoweb.
Vctor Olaya Ferrero is a GIS developer. He is the creator and main developer of the QGIS Processing Framework. He is also the author of Sistemas de Informacin Geogrfica , a free book about the fundamentals of GIS.
I would like to thank my co-authors and everyone else in the QGIS community.
Anita Graser studied geomatics at the University of Applied Sciences Wiener Neustadt, Austria, from where she graduated with a master's degree in 2010. During her study, she gained hands-on experience in the fields of geo-marketing and transportation research. Since 2007, she has been working as a geographic information system ( GIS ) expert with the dynamic transportation systems group at the Austrian Institute of Technology ( AIT ), where she focuses on analyzing and visualizing spatio-temporal data.
Anita serves on the OSGeo board of directors and the QGIS project steering committee. She has been working with GIS since 2005, provides QGIS training courses, and writes a popular blog on open source GIS at anitagraser.com.
I would like to thank my family, partner, and coworkers for their support and encouragement. Of course, I also want to thank the whole QGIS community for their continued efforts to provide the best open source GIS experience possible.
Alexander Bruy is a GFOSS advocate and open source developer working on the QGIS project. He has also maintained a collection of his own open source projects. He has been working with QGIS since 2006, and now he is an OSGeo charter member and QGIS core developer. He is also the author of QGIS By Example , Packt Publishing .
Alexander is currently a freelance GIS developer and works for various companies worldwide.
About the Reviewers
Jorge Arvalo is a computer engineer from Universidad Autnoma de Madrid, UAM. He started developing web applications with JS, PHP, and Python in 2007. In 2010, he began collaborating with PostGIS and GDAL projects after participating in GSoC 2009, creating the PostGIS Raster GDAL driver. He currently works as a technology trainer and Python/Django developer. He also organizes hackathons with others at http://hackathonlovers.com/.
Jorge Arvalo has co-written the book Instant Zurb Foundation 4 for Packt Publishing. He has also worked as reviewer for the books PostGIS Cookbook , OpenLayers 3 Beginner's Guide , and Getting Started with Memcached , all of them for Packt Publishing.
I want to thank my wife Elena for her continuous love and support while reviewing this book.
Olivier Dalang completed his master's degree in architecture and urban planning from EPFL, Switzerland. He then worked as an urban planner at Team+ as a volunteer for the NGO urbaMonde, which is active in Senegal, and as a researcher and lecturer at EPFL on the Venice Time Machine project. He got more and more acquainted with QGIS through the different positions he worked in. Being a programmer, he developed a few plugins, of which a few are now in the core.
Ben Mearns lives in Philly, PA, where he consults, teaches, advises, speaks, and creates geographical information. In private practice, he has previously been the lead geospatial information consultant and instructor on GIS for natural resource management at the University of Delaware. He has held other GIS and data positions at the Cartographic Modeling Lab at the University of Pennsylvania, Princeton University, and Macalester College. He is currently writing QGIS Blueprints with Packt Publishing, which will soon be available in the market.
I would like to thank my girlfriend, Catherine Moore, and mother, Raiana Mearns, for their support during the review of this book.
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Preface
Location-based technology is the latest buzzword to explain tools related to spatial knowledge and analysis. For those who work on map making, geospatial science, or any number of other things with spatial data, Geographic Information Systems ( GIS ), which is the more traditional name for such tools, is a field of study with decades of innovation.
QGIS (previously known as