msgify(PointCloud2, data) data = ros2_numpy.numpify(msg) sensor_msgs.msg.Image ↔ 2/3-D np.array, similar to the function of cv_bridge, but without the dependency on cv2 nav_msgs.msg.OccupancyGrid ↔ np.ma.array geometry.msg.Vector3 ↔ 1-D np.array. hom=True gives [x,...
2 changes: 1 addition & 1 deletion 2 ros2_numpy/point_cloud2.py Original file line numberDiff line numberDiff line change @@ -247,7 +247,7 @@ def split_rgb_field(cloud_arr): new_cloud_arr[field_name] = cloud_arr[field_name] return new_cloud_arr def get_xyz_points(cloud_array...
ros 收到的激光雷达 msg 数据格式为 Pointcloud2,Pointcloud2 是 ros 自带的数据格式,需要转成 numpy 格式才能方便使用。下面是相互转换的例子: importrospyfromsensor_msgs.msgimportPointCloud2fromstd_msgs.msgimportHeaderimportnumpyasnpfromsensor_msgs.msgimportPointFielddefnp2msg(points,frame_id):"""numpy ...
根据你的 ROS 版本,你可以使用以下命令来安装 ros_numpy。例如,如果你使用的是 ROS Melodic(基于 Ubuntu 18.04),你可以运行: bash sudo apt-get install ros-melodic-ros-numpy 确保替换 melodic 为你实际使用的 ROS 版本名称。 验证'ros_numpy'模块是否成功安装: 安装完成后,你可以通过尝试导入该模块来验证...
(1)python -c "import catkin_pkg; print(catkin_pkg.__file__)" 打印catkin_pkg路径 (2)export PYTHONPATH="$PYTHONPATH:/path/to/env/lib/pythonx.x/site-packages" 添加路径3、需要安装rospkg包及其依赖 pip install catkin-tools rospkg pyyaml empy numpy参考:ROS:Modu ...
Ubuntu: https://packages.ubuntu.com/bionic/python3-numpy-stl Fedora: https://fedora.pkgs.org/33/fedora-x86_64/python3-numpy-stl-2.11.2-2.fc33.x86_64.rpm.html [rosdep] python3-numpy-stl Verified 63b4488 reinzor requested a review from ros/rosdeputies as a code owner Jan 14, 2021 ...