GIS is a term attributed to Roger Tomlinson and his colleagues in 1963 used to describe their activities in building a natural resource inventory system for Canada.
Success of GIS to solve real world issues.
Many aspects of how information is gathered about special awareness, how this information is governed and by definition GIS are sensitive to location as they represent unique locations on Earth’s surface.
PPDAC (Problem, Plan, Data, Analysis, Conclusions) is described as a methodological framework that may be applied to a very wide range of spatial analysis problems and projects.
First: describes the basic view the world
Second: describes some of the structures built with this basic components, and the usefulness.
Third: Spatial statistics and elements of the conceptual framework.
Fourth: components of data infrastructure which provide the essential facilities for spatial analysis.
The domains of this analysis is greatly dependent on the information that is being gathered.
Spatial analysis occurs in the interface between the human and the computer, with which both play major roles. Understanding the right questions and having insight better the ability to gain information so that both grow in sequence together.