Trajectories and Their Representations - Mobility Data - page 7

Figure 1.1 A daily trip of a tourist in Paris, visiting several tourist attractions.
visualization an object stopping results in a vertical segment whose length
corresponds to the duration of the stop. Figure 1.2 shows three vertical segments
that represent stops at Place de la Concorde, Le Louvremuseum, and the Babylon
cafe.
Figure 1.2 A volumetric representation of part of the tourist's daily trip of Figure 1.1 .