4.2 MPLEMENTATION PERSPECTIVE The e visualization pipeline Vis=F1°F2o…oFn where F:D→D Fi perform the data importing, filtering, mapping, and rendering operations, in order Input: raw data, output: the final image void inPut o virtual void getout put( Grid+,intj ) roLette vector<Grid.> inputs i vector<Grid> outputs; Listing 4.1. Visualization operation implementation4.2 IMPLEMENTATION PERSPECTIVE • The Visualization pipeline Fi perform the data importing, filtering, mapping, and rendering operations, in order. • Input: raw data, output: the final image 1 2 : Vis F F F where F D D =  → n i