
Preface
Each time I wanted to experiment and analyze the spatial data presented to
me, I was confronted with many queries such as: Which GIS function will
be suitable to read the spatial data format? Which set of functions will be
suitable for the analysis? How to visualize and analyze the resulted outputs?
Which COTS GIS has all the related functions to meaningfully read, analyze,
visualize and measure the spatio-temporal event in the data?
Even if I were to select a COTS GIS system which is most suitable to an-
swer all these queries, the cumbersome process of fetching the COTS GIS along
with its high cost and strict licensing policy discourages