Abstract
We present an efficient three‐phase algorithm for volume viewing that is based on exploiting coherency between rays in parallel projection. The algorithm starts by building a ray‐template and determining a special plane for projection ‐ the base‐plane. Parallel rays are cast into the volume from within the projected region of the volume on the base‐plane, by repeating the sequence of steps specified in the ray‐template. We carefully choose the type of line to be employed and the way the template is being placed on the base‐plane in order to assure uniform sampling of the volume by the discrete rays. We conclude by describing an optimized software implementation of our algorithm and reporting its performance.
| Original language | English |
|---|---|
| Pages (from-to) | 153-167 |
| Number of pages | 15 |
| Journal | Computer Graphics Forum |
| Volume | 11 |
| Issue number | 3 |
| DOIs | |
| State | Published - May 1992 |
Keywords
- parallel projection
- ray casting
- template
- volume rendering
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