Hierarchical Streamline Bundles for Visualizing 2D Flow Fields
نویسندگان
چکیده
We present hierarchical streamline bundles, a new approach to simplifying and visualizing 2D flow fields. Our method first densely seeds a flow field and produces a large number of streamlines that capture important flow features such as critical points. Then, we group spatially neighboring and geometrically similar streamlines to construct a hierarchy from which we extract streamline bundles at different levels of detail. Streamline bundles highlight multiscale flow features and patterns through a clustered yet non-cluttered display. This selective visualization strategy effectively accentuates visual foci and therefore is able to convey the desired insight into the flow fields.
منابع مشابه
GPU-Based Streamlines for Surface-Guided 3D Flow Visualization
Visualizing 3D flow fields intrinsically suffers from problems of clutter and occlusion. A common practice to alleviate these issues is to restrict the visualization to feature surfaces that capture important characteristics of the underlying data. However, this often comes at costs of losing information due to the inherent projection of the 3D field on a 2D surface, which may limit the techniq...
متن کاملStream Bundles -cohesive Advection through Flow Fields
Streamline advection has proven an eeective method for visualizing vector ow eld data. Traditional streamlines do not, however, provide for investigating the coarser-grained features of complex datasets, such as the white matter tracts in the brain or the thermal conveyor belts in the ocean. In this paper, we introduce a cohesive advection primitive, called a stream bundle. Whereas traditional ...
متن کاملPSO-Based Optimization of 2D Streamline Placement
In scientific visualization, we often handle vector or direction fields. An efficient way of visualizing such a vector or direction field is to cover the whole domain studied by a set of streamlines because they give good information about the flow and the topology of the underlying field. In this article, we propose to optimize already constructed streamlines by defining an optimization criter...
متن کاملPriority Streamlines: A context-based Visualization of Flow Fields
Flow vector fields contain a wealth of information that needs to be visualized. As an extension of the well-known streamline technique, we have developed a context-based method for visualizing steady flow vector fields in two and three dimensions. We call our method "Priority Streamlines". In our approach, the density of the streamlines is controlled by a scalar mapping function that can be use...
متن کاملDrawing with the Flow: A Sketch-Based Interface for Illustrative Visualization of 2D Vector Fields
This paper presents Drawing with the Flow, a sketch-based interface for illustrating 2D vector fields. Drawing with the Flow explores the problem of making scientific visualization tools accessible to artists and illustrators, who have a finely tuned visual design sense, but do not typically have the programming or mathematical background required to work with modern visualization algorithms an...
متن کامل