Authors have reviewed and classified geometric flow visualization literature in this paper. The overall result is a complete collection of solved and unsolved problems in the rapidly evolving branch of geometric flow research. They have analyzed the latest developments and introduced a novel classification scheme based on challenges including seeding. The tabular overview of research and highlights of unsolved problems as well as challenges along with a range of solutions have been provided and authors have put up tremendous effort in it. They have not simply provided an enumeration of related papers in integration-based, geometric flow visualization, but also compared different methods, related them with one another and weighed their relative pros and cons.
The literature has been organized based upon the dimensionality of the geometry-based objects in the domain and the dimensionality of the data domain itself. This organization of literature points to the mature areas where many solutions are offered and even those areas which have a lot of unsolved problems. I even got to know about lot of new terminologies like streamtube, stream ribbon etc through this paper.
Its a good resource for people interested in knowing more about different algorithms implemented in the field of flow visualization.
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