Hypervolume visualization: a challenge in simplicity
VVS '98 Proceedings of the 1998 IEEE symposium on Volume visualization
A real-time procedural shading system for programmable graphics hardware
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Volume Illustration: Nonphotorealistic Rendering of Volume Models
IEEE Transactions on Visualization and Computer Graphics
Visualization Exploration and Encapsulation via a Spreadsheet-Like Interface
IEEE Transactions on Visualization and Computer Graphics
Multidimensional Transfer Functions for Interactive Volume Rendering
IEEE Transactions on Visualization and Computer Graphics
Interactive feature specification for focus+context visualization of complex simulation data
VISSYM '03 Proceedings of the symposium on Data visualisation 2003
Chronovolumes: a direct rendering technique for visualizing time-varying data
VG '03 Proceedings of the 2003 Eurographics/IEEE TVCG Workshop on Volume graphics
Suggestive contours for conveying shape
ACM SIGGRAPH 2003 Papers
Scout: A Hardware-Accelerated System for Quantitatively Driven Visualization and Analysis
VIS '04 Proceedings of the conference on Visualization '04
Line drawings from volume data
ACM SIGGRAPH 2005 Papers
High Dimensional Direct Rendering of Time-Varying Volumetric Data
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
Semantic Layers for Illustrative Volume Rendering
IEEE Transactions on Visualization and Computer Graphics
Evaluation of glyph-based multivariate scalar volume visualization techniques
Proceedings of the 6th Symposium on Applied Perception in Graphics and Visualization
Technical Section: Example-based interactive illustration of multi-field datasets
Computers and Graphics
InfoShape: high-level views of multidimensional information
Proceedings of the 2011 Visual Information Communication - International Symposium
Visual comparison for information visualization
Information Visualization - Special issue on State of the Field and New Research Directions
A tri-space visualization interface for analyzing time-varying multivariate volume data
EUROVIS'07 Proceedings of the 9th Joint Eurographics / IEEE VGTC conference on Visualization
Concurrent viewing of multiple attribute-specific subspaces
EuroVis'08 Proceedings of the 10th Joint Eurographics / IEEE - VGTC conference on Visualization
Interaction-dependent semantics for illustrative volume rendering
EuroVis'08 Proceedings of the 10th Joint Eurographics / IEEE - VGTC conference on Visualization
A gradient-based comparison measure for visual analysis of multifield data
EuroVis'11 Proceedings of the 13th Eurographics / IEEE - VGTC conference on Visualization
Continuous representation of projected attribute spaces of multifields over any spatial sampling
EuroVis '13 Proceedings of the 15th Eurographics Conference on Visualization
Towards multifield scalar topology based on pareto optimality
EuroVis '13 Proceedings of the 15th Eurographics Conference on Visualization
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Time-varying, multi-variate, and comparative data sets are not easily visualized due to the amount of data that is presented to the user at once. By combining several volumes together with different operators into one visualized volume, the user is able to compare values from different data sets in space over time, run, or field without having to mentally switch between different renderings of individual data sets. In this paper, we propose using a volume shader where the user is given the ability to easily select and operate on many data volumes to create comparison relationships. The user specifies an expression with set and numerical operations and her data to see relationships between data fields. Furthermore, we render the contextual information of the volume shader by converting it to a volume tree. We visualize the different levels and nodes of the volume tree so that the user can see the results of suboperations. This gives the user a deeper understanding of the final visualization, by seeing how the parts of the whole are operationally constructed.