diff options
Diffstat (limited to 'matlab/tools')
| -rw-r--r-- | matlab/tools/astra_geom_postalignment.m | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/matlab/tools/astra_geom_postalignment.m b/matlab/tools/astra_geom_postalignment.m index c16f8ed..c85a7a0 100644 --- a/matlab/tools/astra_geom_postalignment.m +++ b/matlab/tools/astra_geom_postalignment.m @@ -5,9 +5,15 @@ function proj_geom = astra_geom_postalignment(proj_geom, factor) % % Apply a postalignment to a vector-based projection geometry. Can be used to model the rotation axis offset. % +% For 2D geometries, the argument factor is a single float specifying the +% distance to shift the detector (measured in detector pixels). +% +% For 3D geometries, factor is a pair of floats specifying the horizontal +% resp. vertical distances to shift the detector. +% % proj_geom: input projection geometry (vector-based only, use astra_geom_2vec to convert conventional projection geometries) -% dim (optional): which dimension -% s: output +% factor: number of pixels to shift the detector +% proj_geom: output %-------------------------------------------------------------------------- % This file is part of the ASTRA Toolbox % @@ -33,4 +39,4 @@ function proj_geom = astra_geom_postalignment(proj_geom, factor) error('Projection geometry not suited for postalignment correction.') end -end
\ No newline at end of file +end |