Using 3D-Bresenham for resampling structured grids (original) (raw)

Proceedings. 2nd International Symposium on 3D Data Processing, Visualization and Transmission, 2004. 3DPVT 2004., 2004

Abstract

ABSTRACT Structured grids and some of their applications in natural sciences are discussed. The problem of their visualization and quantitative evaluation is considered and possible ways for its solution sketched. Resampling a structured grid onto a regular one is such a possible solution offering the additional benefit of enabling quantitative evaluations, too. This resampling is achieved by a preliminary tetrahedronization of the structured grid(s) and a subsequent digitalization of the constituent tetrahedrons using an adaptation of the 3D-Bresenham algorithm. Advantages and disadvantages of this approach as compared to other possible schemes are discussed. An implementation based on our open source f3d-file format for storage and transmission of volumetric data is presented, and results from applying it to real-world data shown.

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