XTDrone/sensing/slam/laser_slam/script/laser_transfer.py

63 lines
1.9 KiB
Python
Executable File

import rospy
from gazebo_msgs.srv import GetModelState
from geometry_msgs.msg import PoseStamped
from nav_msgs.msg import Odometry
from tf2_ros import TransformListener, Buffer
import sys
vehicle_type = sys.argv[1]
vehicle_id = sys.argv[2]
laser_slam_type = sys.argv[3]
rospy.init_node(vehicle_type+vehicle_id+'_'+laser_slam_type+'_laser_transfer')
pose_pub = rospy.Publisher(vehicle_type+'_'+ vehicle_id+"/mavros/vision_pose/pose", PoseStamped, queue_size=2)
tfBuffer = Buffer()
tflistener = TransformListener(tfBuffer)
local_pose = PoseStamped()
hector = PoseStamped()
height = 0
def odm_groundtruth_callback(msg):
global height
height = msg.pose.pose.position.z
def hector_callback(data):
global hector
hector = data
def hector_slam():
global local_pose, height
pose2d_sub = rospy.Subscriber(vehicle_type+'_'+ vehicle_id+"/pose", PoseStamped, hector_callback)
rate = rospy.Rate(100)
while True:
local_pose = hector
local_pose.pose.position.z = height
pose_pub.publish(local_pose)
rate.sleep()
def aloam():
global local_pose
rate = rospy.Rate(30)
while not rospy.is_shutdown():
try:
tfstamped = tfBuffer.lookup_transform('camera_init', 'aft_mapped', rospy.Time(0))
except:
continue
local_pose.header.stamp = rospy.Time().now()
local_pose.header.frame_id = 'map'
local_pose.pose.position = tfstamped.transform.translation
local_pose.pose.orientation = tfstamped.transform.rotation
pose_pub.publish(local_pose)
rate.sleep()
if __name__ == '__main__':
if laser_slam_type == '2d':
odom_groundtruth_sub = rospy.Subscriber('/xtdrone/'+vehicle_type+'_'+ vehicle_id+'/ground_truth/odom', Odometry, odm_groundtruth_callback)
hector_slam()
elif laser_slam_type == '3d':
aloam()
else:
print('input error')