Introduction The wide use of GIS...

Introduction

The wide use of GIS technologies and their applications has drastically increased the availability of spatiotemporal databases. Census data have been accumulated athwart a long period; remotely sens images are sent from artificial satellites daily or on the same level hourly; the movement of clan can be captured in real time by the agency of spatial data acquisition tools as it is as GPS and mobile GIS. These spatiotemporal databases provide useful information about the change of spatial phenomena, in the same state [i]or[/i] condition as traffic flow, weather conditions, land-use patterns, and urban conformation and thus play a central character in geographical analysis.

The first grade of spatiotemporal analysis is