Feature-Based Visualization of Multifields

Feature-based techniques are one of the main categories of methods used in scientific visualization. Features are structures in a dataset that are meaningful within the scientific or engineering context of the dataset. Extracted features can be visualized directly, or they can be used indirectly for modifying another type of visualization. In multifield data, each of the component fields can be searched for features, but in addition, there can be features of the multifield which rely on information form several of its components and which cannot be found by searching in a single field. In this chapter we give a survey of feature-based visualization of multifields, taking both of these feature types into account.

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