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| author | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2014-10-02 13:42:42 +0200 |
|---|---|---|
| committer | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2015-01-19 11:15:53 +0100 |
| commit | 9715fadb1511277add807fc033c32d417fa6ffe0 (patch) | |
| tree | 3dd319aa96573b3ff6ec66f9077888199ddf8f41 /cuda/2d/dims.h | |
| parent | 2a39390355f55956d6ec1ce204726f979f74b340 (diff) | |
| download | astra-9715fadb1511277add807fc033c32d417fa6ffe0.tar.gz astra-9715fadb1511277add807fc033c32d417fa6ffe0.tar.bz2 astra-9715fadb1511277add807fc033c32d417fa6ffe0.tar.xz astra-9715fadb1511277add807fc033c32d417fa6ffe0.zip | |
Improve cuda 2d header comments
Diffstat (limited to 'cuda/2d/dims.h')
| -rw-r--r-- | cuda/2d/dims.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/cuda/2d/dims.h b/cuda/2d/dims.h index 9678050..961f38c 100644 --- a/cuda/2d/dims.h +++ b/cuda/2d/dims.h @@ -44,12 +44,29 @@ struct SFanProjection { struct SDimensions { + // Width, height of reconstruction volume unsigned int iVolWidth; unsigned int iVolHeight; + + // Number of projection angles unsigned int iProjAngles; + + // Number of detector pixels unsigned int iProjDets; - float fDetScale; // size of detector compared to volume pixels + + // size of detector compared to volume pixels + float fDetScale; + + // in FP, number of rays to trace per detector pixel. + // This should usually be set to 1. + // If fDetScale > 1, this should be set to an integer of roughly + // the same size as fDetScale. unsigned int iRaysPerDet; + + // in BP, square root of number of rays to trace per volume pixel + // This should usually be set to 1. + // If fDetScale < 1, this should be set to an integer of roughly + // the same size as 1 / fDetScale. unsigned int iRaysPerPixelDim; }; |