Completing Exercise 1-1 showed how GIS can help you solve one kind of problem. There are many others. Computer-based GIS not only serves the purpose of traditional maps but also helps you perform activities that involve spatial analysis, even without maps. Understanding conditions that occur in the vicinity of Earth’s surface are important in building structures, growing crops, preserving wildlife habitat, protecting ourselves from natural disasters, navigating from one point to the next, and a myriad of other activities.
Among the many uses of GIS are: