indicator changed from minimization to maximisation

scenariosAleatoires/social.py

@@ -43,13 +43,16 @@ class Social:
 					# patches that have different farming that others of the same farmer
 					if row['cultgeopat_y'] not in filter1[filter1['id_expl']==row['id_expl']]['cultgeopat_x']:
 						cost += self.matrice_transition[row['cultgeopat_x']][row['cultgeopat_y']]
-		return cost
+		return 1/(1+cost)
 
 if __name__ == '__main__':
 	import geopandas as gpd
 	patches = gpd.GeoDataFrame.from_file("../output/PAT_patches/PAT_patches.shp", encoding='utf-8')
+	social = Social(patches, '../resources/matrice_transition.csv', 0.1)
 	scenario_patches = patches.copy()
+	print(social.compute_indicator(scenario_patches))
 	scenario_patches.ix[2,'cultgeopat']='Protéagineux'
-	social = Social(patches, '../resources/matrice_transition.csv', 0.1)
 	print(social.compute_indicator(scenario_patches))
 	# should give 0.5 the cost for one transition to Protéagineux
+	scenario_patches['cultgeopat']='Fruits et légumes'
+	print(social.compute_indicator(scenario_patches))