•Simulation Of complex systems provide understanding on how the system operates different perspectives, aided by high quality visualization and interaction
•Observation system features that would be too small or too large to be seen on a normal scale system
•Access To situations that would otherwise be dangerous or too remote or inaccessible
•Enable High degree of interaction which is important to aid understanding
•Provide A sense of immersion of the environment –where the user can appreciate the scale of change and visualize the impact of a building design on the external environment and the inhabitants.