For each of these heuristics, please create a list of positive aspects of the visualization as well as a negative aspects. For the list of negative aspects, also indicate the severity of each issue with a score from 1 (least severe) to 5 (most severe).
While completing this evaluation, please have the following URL open, which contains images and videos of the visualization in operation:
Finally, don't concern yourself about being too critical of the tool. Since the primary purpose of a heuristic evaluation is in fact to identify design problems, strong criticism is expected and encouraged.