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-% -----------------------------------------------------------------------
-% 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
-% -----------------------------------------------------------------------
-
-% Create a 3D volume geometry.
-% Parameter order: rows, colums, slices (y, x, z)
-vol_geom = astra_create_vol_geom(64, 48, 32);
-
-
-% Create volumes
-
-% initialized to zero
-v0 = astra_mex_data3d('create', '-vol', vol_geom);
-
-% initialized to 3.0
-v1 = astra_mex_data3d('create', '-vol', vol_geom, 3.0);
-
-% initialized to a matrix. A may be a single or double array.
-% Coordinate order: column, row, slice (x, y, z)
-A = zeros(48, 64, 32);
-v2 = astra_mex_data3d('create', '-vol', vol_geom, A);
-
-
-% Projection data
-
-% 2 projection directions, along x and y axis resp.
-V = [ 1 0 0 0 0 0 0 1 0 0 0 1 ; ...
- 0 1 0 0 0 0 -1 0 0 0 0 1 ];
-% 32 rows (v), 64 columns (u)
-proj_geom = astra_create_proj_geom('parallel3d_vec', 32, 64, V);
-
-s0 = astra_mex_data3d('create', '-proj3d', proj_geom);
-
-% Initialization to a scalar or zero works exactly as with a volume.
-
-% Initialized to a matrix:
-% Coordinate order: column (u), angle, row (v)
-A = zeros(64, 2, 32);
-s1 = astra_mex_data3d('create', '-proj3d', proj_geom, A);
-
-
-% Retrieve data:
-R = astra_mex_data3d('get', v1);
-
-% Retrieve data as a single array. Since astra internally stores
-% data as single precision, this is more efficient:
-R = astra_mex_data3d('get_single', v1);
-
-
-
-% Delete all created data objects
-astra_mex_data3d('delete', v0);
-astra_mex_data3d('delete', v1);
-astra_mex_data3d('delete', v2);
-astra_mex_data3d('delete', s0);
-astra_mex_data3d('delete', s1);