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Direct Multifield Volume Ray Casting of Fiber Surfaces.
IEEE Transactions on Visualization and Computer Graphics
|November 23, 2016
Summary
This study introduces fiber surfaces for visualizing complex multifield data. The new method enables real-time, pixel-exact rendering of these surfaces directly from volume data without explicit geometry extraction.
Area of Science:
- Scientific visualization
- Volume rendering
- Geometric modeling
Background:
- Multifield data visualization is challenging.
- Reducing complex data to comprehensible geometry is difficult.
- Fiber surfaces offer a novel approach for understanding multifield volumes.
Purpose of the Study:
- To explore direct ray casting of fiber surfaces from volume data.
- To enable real-time exploration and rendering of fiber surfaces.
- To avoid explicit geometry extraction for multifield data visualization.
Main Methods:
- Direct ray casting in domain space.
- Geometric tests in range space using signed distance fields.
- Little preprocessing required for real-time performance.
Main Results:
- Enables real-time exploration and dynamic modification of fiber surfaces.
- Supports pixel-exact rendering and higher-order interpolation.
- Demonstrated on bivariate datasets, including combustion data analysis.
Conclusions:
- Direct ray casting of fiber surfaces is an efficient method for multifield data visualization.
- The approach facilitates interactive analysis of complex volumetric data.
- This technique enhances the understanding of multifield datasets in scientific visualization.
