GtOrientationSamplig-Supersampling: finally start using directional oversampling factors

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

zUtil_Deformation/GtOrientationSampling.m

@@ -3,6 +3,7 @@ classdef GtOrientationSampling < handle
         lattice = struct('gr', {});
 
         lattice_ss = {};
+        ss_factor = [1 1 1];
 
         stats;
         gvdm;
@@ -244,9 +245,12 @@ classdef GtOrientationSampling < handle
         end
 
         function make_supersampling_simple_grid(self, directions, factor)
+            self.ss_factor = [1 1 1];
+            self.ss_factor(directions) = factor;
+
             orient_voxel_size = self.stats.sampling.gaps;
             half_voxel_size = orient_voxel_size ./ 2;
-            steps = orient_voxel_size ./ factor;
+            steps = orient_voxel_size ./ self.ss_factor;
             half_steps = steps ./ 2;
             for ii_o = 1:numel(self.lattice)
                 size_or = size(self.lattice(ii_o).gr);