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首页> 外文期刊>IEEE transactions on visualization and computer graphics >Decal-Lenses: Interactive Lenses on Surfaces for Multivariate Visualization
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Decal-Lenses: Interactive Lenses on Surfaces for Multivariate Visualization

机译:贴花镜片:用于多层次可视化的表面交互式镜片

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摘要

We present decal-lenses, a new interaction technique that extends the concept of magic lenses to augment and manage multivariate visualizations on arbitrary surfaces. Our object-space lenses follow the surface geometry and allow the user to change the point of view during data exploration while maintaining a spatial reference to positions where one or more lenses were placed. Each lens delimits specific regions of the surface where one or more attributes can be selected or combined. Similar to 2D lenses, the user interacts with our lenses in real-time, switching between different attributes within the lens context. The user can also visualize the surface data representations from the point of view of each lens by using local cameras. To place lenses on surfaces of intricate geometry, such as the human brain, we introduce the concept of support surfaces for designing interaction techniques. Support surfaces provide a way to place and interact with the lenses while avoiding holes and occluded regions during data exploration. We further extend decal-lenses to arbitrary regions using brushing and lassoing operations. We discuss the applicability of our technique and present several examples where our lenses can be useful to create a customized exploration of multivariate data on surfaces.
机译:我们介绍了十进制镜头,这是一种新的交互技术,它扩展了魔术镜头的概念,以增强和管理任意表面上的多元可视化。我们的物镜镜头遵循表面几何形状,并允许用户在数据探索期间改变视角,同时保持对放置一个或多个镜头的位置的空间参考。每个透镜划定了可以选择或组合一个或多个属性的表面的特定区域。与2D镜头类似,用户可以实时与我们的镜头进行交互,在镜头上下文中的不同属性之间进行切换。用户还可以通过使用本地相机从每个镜头的角度可视化表面数据表示。要将镜片放置在复杂几何形状的表面(例如人脑)上,我们介绍了用于设计交互技术的支撑表面的概念。支撑表面提供了一种放置和与镜片互动的方式,同时在数据探索过程中避免了孔洞和遮挡区域。我们使用刷和套索操作进一步将贴花镜头扩展到任意区域。我们讨论了该技术的适用性,并提供了一些示例,在这些示例中,我们的透镜可用于在曲面上创建自定义的多元数据探索。

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