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Diffstat (limited to 'samples/s002_data2d.m')
-rw-r--r-- | samples/s002_data2d.m | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/samples/s002_data2d.m b/samples/s002_data2d.m deleted file mode 100644 index a91071f..0000000 --- a/samples/s002_data2d.m +++ /dev/null @@ -1,60 +0,0 @@ -% ----------------------------------------------------------------------- -% This file is part of the ASTRA Toolbox -% -% Copyright: 2010-2015, iMinds-Vision Lab, University of Antwerp -% 2014-2015, CWI, Amsterdam -% License: Open Source under GPLv3 -% Contact: astra@uantwerpen.be -% Website: http://sf.net/projects/astra-toolbox -% ----------------------------------------------------------------------- - -vol_geom = astra_create_vol_geom(256, 256); - -proj_geom = astra_create_proj_geom('parallel', 1.0, 384, linspace2(0,pi,180)); - - -% Create volumes - -% initialized to zero -v0 = astra_mex_data2d('create', '-vol', vol_geom); - -% initialized to 3.0 -v1 = astra_mex_data2d('create', '-vol', vol_geom, 3.0); - -% initialized to a matrix. A may be a single, double or logical (0/1) array. -A = phantom(256); -v2 = astra_mex_data2d('create', '-vol', vol_geom, A); - - -% Projection data -s0 = astra_mex_data2d('create', '-sino', proj_geom); -% Initialization to a scalar or a matrix also works, exactly as with a volume. - - -% Update data - -% set to zero -astra_mex_data2d('store', v0, 0); - -% set to a matrix -astra_mex_data2d('store', v2, A); - - - -% Retrieve data - -R = astra_mex_data2d('get', v2); -imshow(R, []); - - -% Retrieve data as a single array. Since astra internally stores -% data as single precision, this is more efficient: - -R = astra_mex_data2d('get_single', v2); - - -% Free memory -astra_mex_data2d('delete', v0); -astra_mex_data2d('delete', v1); -astra_mex_data2d('delete', v2); -astra_mex_data2d('delete', s0); |