From f13df67efe3192d47d8427df166dc1997edb1aec Mon Sep 17 00:00:00 2001
From: Mahbubul Alam Palash <palashm@leidos.com>
Date: Mon, 30 Dec 2024 14:59:04 -0500
Subject: [PATCH] TT-113 Created a directory tools under co-simulation and
 added  a bash script  geneate_background_traffic.sh for generating background
 traffic for any Sumo network

---
 .../tools/geneate_background_traffic.sh       | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100755 co-simulation/tools/geneate_background_traffic.sh

diff --git a/co-simulation/tools/geneate_background_traffic.sh b/co-simulation/tools/geneate_background_traffic.sh
new file mode 100755
index 00000000..4d31d6d0
--- /dev/null
+++ b/co-simulation/tools/geneate_background_traffic.sh
@@ -0,0 +1,69 @@
+#!/bin/bash
+#This script will generate random traffic to be used in Sumo-carla co simulation for a any Sumo Network File given the simulation duration, number of vehicles and a random number seed
+# This script requires  installation of Sumo tools randomTrips.py and Python
+echo "Sumo Network Files in this directoryi:"
+ls *.net.xml
+# Prompt for user inputs
+echo 
+echo "Enter the Sumo Network File Name:"
+read net_file
+
+echo "Output File Name:"
+read out_file
+
+echo "Enter Duration of the Simulation:"
+read sim_duration
+
+echo "How many vehicles you want to instantiate?:"
+read veh_number
+
+echo "Enter Random Number Seed (Different Seed will genrate different traffic):"
+read seed
+
+# Calculate the rate of vehicle generation
+rate=$(echo "$sim_duration / $veh_number" | bc -l)
+
+
+# Run the Python script with the provided inputs
+python3 /usr/share/sumo/tools/randomTrips.py -n $net_file -r $out_file  --fringe-factor 5 -e $sim_duration -p $rate --vehicle-class passenger --validate --random --seed $seed
+
+
+#Changing vehicle Types matching pasenger car of CARLA 
+# List of Passenger vehicle classes in CARLA 
+
+vehicle_classes=(
+  "vehicle.audi.a2"
+  "vehicle.audi.tt"
+  "vehicle.jeep.wrangler_rubicon"
+  "vehicle.chevrolet.impala"
+  "vehicle.mini.cooper_s"
+  "vehicle.mercedes.coupe"
+  "vehicle.bmw.grandtourer"
+  "vehicle.citroen.c3"
+  "vehicle.ford.mustang"
+  "vehicle.lincoln.mkz_2017"
+  "vehicle.seat.leon"
+  "vehicle.nissan.patrol"
+  "vehicle.nissan.micra"
+)
+
+temp_file="temp.xml"
+
+# Read the generated route file line by line
+while IFS= read -r line; do
+  if [[ "$line" == *'type="passenger"'* ]]; then
+    # Select a random vehicle class
+    random_vehicle=${vehicle_classes[$RANDOM % ${#vehicle_classes[@]}]}
+    # Replace type="passenger" with the random vehicle class
+    line=$(echo "$line" | sed "s/type=\"passenger\"/type=\"$random_vehicle\"/")
+  fi
+  # Write the updated line to a temporary file
+  echo "$line" >> "$temp_file"
+done < "$out_file"
+
+# Replace the original file with the updated file
+mv "$temp_file" "$out_file"
+rm trips.trips.xml
+echo "Route file $out_file generated"
+
+