How to determine the 3D points if the ray intersects the the voxel that is perpendicular to Y axis?

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Here the line AB is intersecting the voxel perpendicularly on the Y-axis. How can I determine all the three points (3D poins) x.y.z in this manner? Thanks in advance.
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Matt J
Matt J 2022 年 1 月 6 日
determine all the three points
Why 3 points? I see only 2 points (one entry point and one exit point), as you would expect for any convex shape.


回答 (1 件)

Matt J
Matt J 2022 年 1 月 6 日
編集済み: Matt J 2022 年 1 月 6 日
You can find ray/box intersections using intersectionHull in this File Exchange package
However, if you are doing this for the purpose of tomographic forward projection, your only hope for fast speed is to use an optimized projector library, e.g.,


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