diff --git a/src/nt_composition/make_nt_correlation.py b/src/nt_composition/make_nt_correlation.py
index 1ca0097157e47ed14a3f5b2513e5720f060eb2cc..df1de4f222ef6cdd34bdecef509ea189e9a1d0c8 100644
--- a/src/nt_composition/make_nt_correlation.py
+++ b/src/nt_composition/make_nt_correlation.py
@@ -16,7 +16,6 @@ import numpy as np
 import doctest
 from .config import ConfigNt
 from ..logging_conf import logging_def
-from tqdm import tqdm
 from typing import Dict, Tuple, Any, List
 import seaborn as sns
 import matplotlib.pyplot as plt
@@ -25,17 +24,41 @@ from itertools import product
 from random import random
 import multiprocessing as mp
 import os
-from time import time
 
 
 class NoInteractionError(Exception):
     pass
 
 
+def get_select_addition(global_weight: int, get_weight: bool, same_gene: bool):
+    """
+    Return the column to add if get_weight is not false.
+
+    :param global_weight: The global weight to consider. if \
+    the global weight is equal to 0 then then density figure are calculated \
+    by project, else all projet are merge together and the interaction \
+    seen in `global_weight` project are taken into account
+    :param get_weight: Say if we want to recover the weight of the interaction
+    :param same_gene: Say if we consider as co-localised exon within the \
+    same gene
+    :return: The additional column to get
+    """
+    if get_weight:
+        if global_weight == 0 and same_gene:
+            return ', weight'
+        elif global_weight == 0 and not same_gene:
+            return ', t1.weight'
+        elif global_weight >= 0 and same_gene:
+            return ', AVG(weight)'
+        elif global_weight >= 0 and not same_gene:
+            return ', AVG(t1.weight)'
+    return ''
+
+
 def get_project_colocalisation(cnx: sqlite3.Connection, project: str,
                                weight: int,
-                               global_weight: int, same_gene: bool
-                               ) -> np.array:
+                               global_weight: int, same_gene: bool,
+                               get_weight: bool = False) -> np.array:
     """
     Get the interactions in project `project`
 
@@ -46,17 +69,21 @@ def get_project_colocalisation(cnx: sqlite3.Connection, project: str,
     the global weight is equal to 0 then then density figure are calculated \
     by project, else all projet are merge together and the interaction \
     seen in `global_weight` project are taken into account
+    :param get_weight: Say if we want to recover the weight of the interaction
+    :param same_gene: Say if we consider as co-localised exon within the \
+    same gene
     :return: The table containing the number of interaction by projects
     """
     logging.debug(f'Recovering interaction ({os.getpid()})')
+    select_add = get_select_addition(global_weight, get_weight, same_gene)
     if global_weight == 0:
         if same_gene:
-            query = "SELECT exon1, exon2 " \
+            query = f"SELECT exon1, exon2{select_add} " \
                     "FROM cin_exon_interaction " \
                     f"WHERE weight >= {weight} " \
                     f"AND id_project = '{project}' "
         else:
-            query = f"""SELECT t1.exon1, t1.exon2
+            query = f"""SELECT t1.exon1, t1.exon2{select_add}
                         FROM cin_exon_interaction t1, cin_exon t2, cin_exon t3
                         WHERE t1.weight >= {weight}
                         AND id_project = '{project}' 
@@ -65,13 +92,13 @@ def get_project_colocalisation(cnx: sqlite3.Connection, project: str,
                         AND t2.id_gene != t3.id_gene"""
     else:
         if same_gene:
-            query = f"SELECT exon1, exon2 " \
+            query = f"SELECT exon1, exon2{select_add} " \
                     f"FROM cin_exon_interaction " \
                     f"WHERE weight >= {weight} " \
                     f"GROUP BY exon1, exon2 " \
                     f"HAVING COUNT(*) >= {global_weight}"
         else:
-            query = f"""SELECT t1.exon1, t1.exon2
+            query = f"""SELECT t1.exon1, t1.exon2{select_add}
                         FROM cin_exon_interaction t1, cin_exon t2, cin_exon t3
                         WHERE t1.weight >= {weight}
                         AND t1.exon1 = t2.id