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 | Hansen, Charles D.; Wald, Ingo | Interactive isosurface ray tracing of time-varying tetrahedral volumes | Abstract- We describe a system for interactively rendering isosurfaces of tetrahedral finite-element scalar fields using coherent ray tracing techniques on the CPU. By employing state-of-the art methods in polygonal ray tracing, namely aggressive packet/frustum traversal of a bounding volume hierarc... | | 2007-11 |
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 | Freire, Juliana; Silva, Claudio T. | Querying and creating visualizations by analogy | While there have been advances in visualization systems, particularly in multi-view visualizations and visual exploration, the process of building visualizations remains a major bottleneck in data exploration. We show that provenance metadata collected during the creation of pipelines can be reused ... | Provenance; VisTrails; Pipelines; Query-by-example | 2007-11 |