Fixed bug in gt6DAnalyseVoxelProperties

Signed-off-by: Nicola Vigano <nicola.vigano@esrf.fr>

zUtil_Deformation/plotting/gt6DAnalyseVoxelProperties.m

 function gt6DAnalyseVoxelProperties(test_data, result, post_result, voxel, threshold_min, threshold_max)
-    bigSize = size(result.solution{1});
-    finalSize = size(result.deviation{1});
-    offsets = (bigSize - finalSize) /2;
 
-    theo_voxel = voxel - offsets;
+    rec_size = [size(result.solution{1}, 1), size(result.solution{1}, 2), size(result.solution{1}, 3)];
+    result_size = [size(result.expected_dmvol, 1), size(result.expected_dmvol, 2), size(result.expected_dmvol, 3)];
+    offset = floor((rec_size - result_size) / 2) + 1;
+
+    theo_voxel = voxel - offset;
     fprintf('Distance of reconstructed from real: %d (deg)\n', post_result.distance_deg_alt(theo_voxel(1), theo_voxel(2), theo_voxel(3)))
 
     intensities_recon = cellfun(@(x)x(voxel(1), voxel(2), voxel(3)), result.solution);