save_mesh_server.py

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#!/usr/bin/env python
 
import rospy
from jsk_recognition_msgs.msg import BoundingBox
from jsk_recognition_msgs.srv import SaveMesh
from jsk_recognition_msgs.srv import SaveMeshRequest
from std_srvs.srv import Empty
from std_srvs.srv import EmptyResponse
 
 
class SaveMeshServer(object):
 
    def __init__(self):
        self.ground_frame_id = rospy.get_param('~ground_frame_id', '')
        self.sub_bbox = rospy.Subscriber('~input/bbox', BoundingBox, self._cb)
        self.srv_client = rospy.ServiceProxy('~save_mesh', SaveMesh)
        self.srv_server = rospy.Service('~request', Empty, self._request_cb)
        self.bbox_msg = None
 
    def _cb(self, bbox_msg):
        self.bbox_msg = bbox_msg
 
    def _request_cb(self, req):
        if self.bbox_msg is None:
            rospy.logerr('No bounding box is set, so ignoring the request.')
            return EmptyResponse()
 
        req = SaveMeshRequest()
        req.box = self.bbox_msg
        req.ground_frame_id = self.ground_frame_id
        self.srv_client.call(req)
        return EmptyResponse()
 
 
if __name__ == '__main__':
    rospy.init_node('save_mesh_server')
    server = SaveMeshServer()
    rospy.spin()