plan_with_constraints.py

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#!/usr/bin/env python
 
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# Author: Siddharth Srivatsa
 
import sys
import rospy
from moveit_commander import RobotCommander, roscpp_initialize, roscpp_shutdown
from moveit_msgs.msg import RobotState, Constraints
from geometry_msgs.msg import Pose
 
if __name__ == "__main__":
 
    roscpp_initialize(sys.argv)
    rospy.init_node("moveit_py_demo", anonymous=True)
 
    robot = RobotCommander()
    rospy.sleep(1)
 
    a = robot.right_arm
    a.set_start_state(RobotState())
 
    print("current pose:")
    print(a.get_current_pose())
    c = Constraints()
 
    waypoints = []
    waypoints.append(a.get_current_pose().pose)
 
    # Move forward
    wpose = Pose()
    wpose.position.x = wpose.position.x + 0.1
    waypoints.append(wpose)
 
    # Move down
    wpose.position.z -= 0.10
    waypoints.append(wpose)
 
    # Move to the side
    wpose.position.y += 0.05
    waypoints.append(wpose)
 
    plan, fraction = a.compute_cartesian_path(waypoints, 0.01, 0.0, path_constraints=c)
    print("Plan success percent: ", fraction)