add new parameter of PAND-AI approach

tas/pandai.py

@@ -30,6 +30,7 @@ class PANDAIApproach(TASAutonomousApproach):
         self.length_scales_min_fact = 1e-3
         self.length_scales_max_fact = 1.
         self.level_backgr_decile_max = 7
+        self.level_backgr_diffs_rel_max = 0.5
         self.level_backgr_diffs_abs_max = 15
         self.thresh_intens_diffs_rel_diffs_abs_max = 1.5
         self.thresh_intens_fact_min = 0.4
@@ -79,6 +80,7 @@ class PANDAIApproach(TASAutonomousApproach):
                    length_scales_min_fact=self.length_scales_min_fact,
                    length_scales_max_fact=self.length_scales_max_fact,
                    level_backgr_decile_max=self.level_backgr_decile_max,
+                   level_backgr_diffs_rel_max=self.level_backgr_diffs_rel_max,
                    level_backgr_diffs_abs_max=self.level_backgr_diffs_abs_max,
                    thresh_intens_diffs_rel_diffs_abs_max=self.thresh_intens_diffs_rel_diffs_abs_max,
                    thresh_intens_fact_min=self.thresh_intens_fact_min,