this geographical information system tutorial is the companion text for my best selling udemy course. designed for researchers, college students and professionals, it's a step-by-step guide to the basics of qgis 3.its an ideal classroom companion that includes free enrolment in my 2.5 hour word-perfect captioned companion hd video course. download the dataset and follow along, step-by-step style. complete the quiz and gain your certificate of completion. topics covered include. . .downloading and installing qgis 3.opening, navigating and interpreting gis maps and air photos. changing how they look on screen.creating a thematic map generalizing geospatial data. how to find a colour scheme for your thematic map.creating time-series thematic maps.understand the relationship between gis maps and the tables that lie behind them.the basics of geospatial analysis.using clues from the shapes and colours in gis maps and gis air photos as surrogates for both socio-economic and environmental information.validating geospatial data.gis concepts recognizing limitations in gis maps. gis maps as rich databases. map overlay. the four gis map objects.over 3450 students have enrolled in this book's 2.5 hour companion qgis tutorial. that's the hd video course you get for free with this book. here's a sample of its 147 reviews ...nathan says: "really great introductory-level course the examples were simple to follow, but also very useful..."caesar says: "it was a very good class, just what i needed to get familiar with qgis."carina says: "perfect course to whom have never used...qgis very detailed on the explanations and really generous additional materials to study."brian says: "it was very thorough and comprehensive... ian also covered aspects of gis analysis - which increases your learning and appreciation of the capabilities of how powerful the gis tool can be"umar says: "ian is vast and knowledgeable in what he teaches..."boojhawon says: "simple and very clear lectures with the minimum basics/backgrounds to get a taste of what awaits us further and also making us think of what we can do more."srijon says: "i have experience in using arcgis. i needed the qgis taste for which i took this. if anybody who has little experience in gis will love the 'techniques and tips' parts, which are very clearly and elaborately described, which will greatly help to be a gis interpreter. and i love the line "don't just be a tourist." it should be the tricky line between a gis analyst and a technician..."no previous gis knowledge neededunlimited lifetime access to the hd video course (including future upgrades)q&a area in the video course.quizsuitable for classroom teachingavailable as kindle ebook and hardcopy qgis book