6D-Cluster: fixed forced re-normalization

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

zUtil_Deformation/Gt6DReconstructionAlgorithmFactory.m

@@ -290,7 +290,8 @@ classdef Gt6DReconstructionAlgorithmFactory < handle
                     safe_coeffs = coeffs(safe_indexes_pos);
                     % Let's build the interpolated slices
                     blob = blobs(ii).intm;
-                    blob = blob ./ sum(blob(:));
+                    blob(blob < 0) = 0;
+%                     blob = blob ./ sum(blob(:));
                     for w = 1:numel(safe_coeffs)
                         sub_blob_slices{ii}(:, :, n) = ...
                             sub_blob_slices{ii}(:, :, n) + safe_coeffs(w) .* blob(:, :, safe_indexes(w));