diff --git a/gt_segmented_cf.py b/gt_segmented_cf.py
index fd3ddc85fea1a75e9926b8ec34562146db093adc..de1db6f03174339828d514408e160f73aad5a640 100644
--- a/gt_segmented_cf.py
+++ b/gt_segmented_cf.py
@@ -18,21 +18,12 @@ from os import path
 import shapefile
 import datetime
 from numpy import loadtxt
+import report_graph
 
 ######################
 # Utility functions: #
 ######################
 
-def node_to_date_eddy(node_index, e_overestim, d_init):
-    """Convert from node identification in graph to eddy identification in
-    shapefiles.
-
-    """
-    k = (node_index - 1) // e_overestim
-    d = d_init + k
-    return {"eddy_index": node_index - k * e_overestim, "date_index": k,
-            "days_1950": d}
-
 def comp_ishape(d_init, ishape_last, days_1950, eddy_index): 
     k = days_1950 - d_init
     
@@ -47,7 +38,7 @@ def comp_ishape(d_init, ishape_last, days_1950, eddy_index):
 # Necessary functions #
 #######################
 
-def calculate_radii_and_rossby(start, end, inc, segment, e_overestim, d_init, ext_shp_rcd, max_rcd, ishape_last):
+def calculate_radii_and_rossby(start, end, inc, segment, e_overestim, ext_shp_rcd, max_rcd, ishape_last):
     
     radii = 0 #[m]
     rossby = 0 #[1/s]
@@ -55,14 +46,14 @@ def calculate_radii_and_rossby(start, end, inc, segment, e_overestim, d_init, ex
     days_modifier = 0
     
     for i in range(start, end, inc):
-        current_eddy = node_to_date_eddy(segment[i], e_overestim, d_init)
-        date = datetime.date(1950,1,1) + datetime.timedelta(current_eddy['days_1950'])
+        current_eddy = report_graph.node_to_date_eddy(segment[i], e_overestim)
+        date = datetime.date(1950,1,1) + datetime.timedelta(current_eddy['date_index'])
         year = date.year
         
         # calculate the location in the shapefile
         d_init_1 = ext_shp_rcd[year][0].record[1]
         location = comp_ishape(d_init_1, ishape_last[year], 
-                               current_eddy['days_1950'], current_eddy['eddy_index'])
+                               current_eddy['date_index'], current_eddy['eddy_index'])
         
         # now that we have the location in the shapefiles, we need to get the radius and the rossby number
         
@@ -89,14 +80,13 @@ def calculate_radii_and_rossby(start, end, inc, segment, e_overestim, d_init, ex
     return {"radii": radii, "rossby": rossby, "days_modifier": days_modifier}
 
 ###############################
-# grab e_overestim and d_init #
+# grab e_overestim
 ###############################
 
 node_id_param_file = "/data/misic/Convert_Global/node_id_param.json"
 with open(node_id_param_file) as f: node_id_param = json.load(f)
 # assign attributes to the whole graphs
 e_overestim = node_id_param["e_overestim"]
-d_init = node_id_param["d_init"]
 
 ################################################
 # set some values needed for the cost function #
@@ -192,13 +182,13 @@ for yr in range(1993, 2019):
         segment = g.vp.segment[n]      
         
         # calculate the indexes and dates
-        first = node_to_date_eddy(segment[0], e_overestim, d_init)
+        first = report_graph.node_to_date_eddy(segment[0], e_overestim)
         
         # get days since 1950
-        first_days = first['days_1950']
+        first_days = first['date_index']
         
         # get year
-        first_date = datetime.date(1950,1,1) + datetime.timedelta(first['days_1950'])
+        first_date = datetime.date(1950,1,1) + datetime.timedelta(first['date_index'])
         first_year = first_date.year
         
         #print(f'Segment size: {len(segment)}, first: {first_year}, last: {last_year}, yr: {yr}')        
@@ -213,10 +203,10 @@ for yr in range(1993, 2019):
             first_pos = []
             last_pos = []
             
-            last = node_to_date_eddy(segment[-1], e_overestim, d_init)
-            last_days = last['days_1950']
+            last = report_graph.node_to_date_eddy(segment[-1], e_overestim)
+            last_days = last['date_index']
             
-            last_date = datetime.date(1950,1,1) + datetime.timedelta(last['days_1950'])
+            last_date = datetime.date(1950,1,1) + datetime.timedelta(last['date_index'])
             last_year = last_date.year
             
             print(f'Segment size: {len(segment)}, first: {first_year}, last: {last_year}, yr: {yr}')
@@ -226,8 +216,8 @@ for yr in range(1993, 2019):
             d_init_1 = ext_shp_rcd[first_year][0].record[1]
             d_init_2 = ext_shp_rcd[last_year][0].record[1]
             
-            first_loc = comp_ishape(d_init_1, ishape_last[first_year], first['days_1950'], first['eddy_index'])
-            last_loc = comp_ishape(d_init_2, ishape_last[last_year], last['days_1950'], last['eddy_index'])
+            first_loc = comp_ishape(d_init_1, ishape_last[first_year], first['date_index'], first['eddy_index'])
+            last_loc = comp_ishape(d_init_2, ishape_last[last_year], last['date_index'], last['eddy_index'])
             
             # grab the centers
             
@@ -249,7 +239,7 @@ for yr in range(1993, 2019):
                 
                 # First 7 days calculation
                 first_res = calculate_radii_and_rossby(0, num_of_days_to_avg, 1, segment, e_overestim, 
-                                                 d_init, ext_shp_rcd, max_rcd, ishape_last)      
+                                                 ext_shp_rcd, max_rcd, ishape_last)
                 
                 # average and assign radii
                 first_radii = first_res['radii'] / num_of_days_to_avg
@@ -269,7 +259,7 @@ for yr in range(1993, 2019):
                 # Last 7 days calculation
                 last_res = calculate_radii_and_rossby(len(segment) - 1, 
                                                       len(segment) - (num_of_days_to_avg + 1), -1,
-                                                      segment, e_overestim, d_init, ext_shp_rcd, 
+                                                      segment, e_overestim, ext_shp_rcd,
                                                       max_rcd, ishape_last)                  
                     
                 # Average and assign the last radii
@@ -292,7 +282,7 @@ for yr in range(1993, 2019):
             # for the positions
             else:
                 res = calculate_radii_and_rossby(0, num_of_days, 1, segment, e_overestim, 
-                                                 d_init, ext_shp_rcd, max_rcd, ishape_last)              
+                                                 ext_shp_rcd, max_rcd, ishape_last)
                 
                 # grab the days modifier
                 modifier = res['days_modifier']