CADGIS
Author’s Note
From the Preface
Maps are among the oldest tools people have used to make sense of the world. Geographic Information Systems carry that idea into the digital age.
A GIS helps us understand places, interpret spatial information and support decisions in fields such as surveying, urban planning, transportation, utilities and environmental management.
For someone meeting the subject for the first time, however, GIS can seem difficult. The terminology is new, concepts such as layers, features and attributes are unfamiliar, and software workflows can feel crowded with options before the ideas behind them are clear. A clear, organised introduction can make that first step easier and give readers a reliable foundation for everything that follows.
This eBook exists for that reason. Useful technical knowledge should be easy to reach for people who are beginning their learning journey. The material has been gathered from relevant sources, compiled, organised in a logical order and presented in a reader-friendly format. It builds on established GIS knowledge developed by many practitioners, educators and organisations, and the sources consulted are listed in the references at the end of the book. The aim is clarity, logical progression and practical relevance.
It is intended for students who are starting to study GIS, beginners exploring geospatial technologies, surveying and mapping learners, people interested in how GIS is applied, and anyone who prefers to build knowledge step by step.
Educational material is most useful when it is shared, and this eBook is offered for the benefit of those who want to learn. It is a starting point, not a complete course. Readers are encouraged to use it as a base for further study, for practice with real data and for wider reading. More information about this series is available at www.cadgistools.com.