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| 1 | +# Copyright (C) 2025 Robotec.AI |
| 2 | +# |
| 3 | +# Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +# you may not use this file except in compliance with the License. |
| 5 | +# You may obtain a copy of the License at |
| 6 | +# |
| 7 | +# http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +# |
| 9 | +# Unless required by applicable law or agreed to in writing, software |
| 10 | +# distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +# See the License for the specific language governing permissions and |
| 13 | +# limitations under the License. |
| 14 | + |
| 15 | +from typing import Type |
| 16 | + |
| 17 | +from geometry_msgs.msg import PoseStamped, Quaternion |
| 18 | +from nav2_msgs.action import NavigateToPose |
| 19 | +from pydantic import BaseModel, Field |
| 20 | +from rclpy.action import ActionClient |
| 21 | +from tf_transformations import quaternion_from_euler |
| 22 | + |
| 23 | +from rai.tools.ros2.base import BaseROS2Tool |
| 24 | + |
| 25 | + |
| 26 | +class NavigateToPoseBlockingToolInput(BaseModel): |
| 27 | + x: float = Field(..., description="The x coordinate of the pose") |
| 28 | + y: float = Field(..., description="The y coordinate of the pose") |
| 29 | + z: float = Field(..., description="The z coordinate of the pose") |
| 30 | + yaw: float = Field(..., description="The yaw angle of the pose") |
| 31 | + |
| 32 | + |
| 33 | +class NavigateToPoseBlockingTool(BaseROS2Tool): |
| 34 | + name: str = "navigate_to_pose_blocking" |
| 35 | + description: str = "Navigate to a specific pose" |
| 36 | + frame_id: str = Field( |
| 37 | + default="map", description="The frame id of the Nav2 stack (map, odom, etc.)" |
| 38 | + ) |
| 39 | + action_name: str = Field( |
| 40 | + default="navigate_to_pose", description="The name of the Nav2 action" |
| 41 | + ) |
| 42 | + args_schema: Type[NavigateToPoseBlockingToolInput] = NavigateToPoseBlockingToolInput |
| 43 | + |
| 44 | + def _run(self, x: float, y: float, z: float, yaw: float) -> str: |
| 45 | + action_client = ActionClient( |
| 46 | + self.connector.node, NavigateToPose, self.action_name |
| 47 | + ) |
| 48 | + |
| 49 | + pose = PoseStamped() |
| 50 | + pose.header.frame_id = self.frame_id |
| 51 | + pose.header.stamp = self.connector.node.get_clock().now().to_msg() |
| 52 | + pose.pose.position.x = x |
| 53 | + pose.pose.position.y = y |
| 54 | + pose.pose.position.z = z |
| 55 | + quat = quaternion_from_euler(0, 0, yaw) |
| 56 | + pose.pose.orientation = Quaternion(x=quat[0], y=quat[1], z=quat[2], w=quat[3]) |
| 57 | + |
| 58 | + goal = { |
| 59 | + "pose": { |
| 60 | + "header": { |
| 61 | + "frame_id": self.frame_id, |
| 62 | + "stamp": self.connector.node.get_clock().now().to_msg(), |
| 63 | + }, |
| 64 | + "pose": pose, |
| 65 | + } |
| 66 | + } |
| 67 | + |
| 68 | + result = action_client.send_goal(goal) |
| 69 | + |
| 70 | + return str(result) |
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