Class exercise SCl 1203 Question 1 (a).A general model of the visualization process is a pipeline with four stages: data generation, pre-processing (filtering), mapping, and rendering. The user can interact with the visualization process at each of these stages. Indicate for each of the following input actions at which stage it will influence the process: -choosing a colour scale -selecting a part from a data set to be visualized -changing measurement parameters (e.g. MRI scanning protocol) -selecting an iso-value -specifying a viewpoint and lighting conditions [61