find_package(PCL 1.8 REQUIRED)include_directories(${PCL_INCLUDE_DIRS})link_directories(${PCL_LIBRARY_DIRS})add_definitions(${PCL_DEFINITIONS})target_link_libraries(your_executable ${PCL_LIBRARIES})如何将这段代码在CMakeLists.txt文件中添加以下行来链接PCL库

在你的 CMakeLists.txt 文件中添加以下代码即可链接 PCL 库：

cmake_minimum_required(VERSION 3.0)
project(your_project)

# Find PCL package
find_package(PCL 1.8 REQUIRED)

# Include PCL headers
include_directories(${PCL_INCLUDE_DIRS})

# Link PCL libraries
link_directories(${PCL_LIBRARY_DIRS})
add_definitions(${PCL_DEFINITIONS})
target_link_libraries(your_executable ${PCL_LIBRARIES})

其中，`your_project` 是你的项目名称，`your_executable` 是你生成的可执行文件名。注意，`find_package` 要求安装了 PCL 1.8 版本，如果你使用的是其他版本，需要相应修改。

相关问题

cmake_minimum_required(VERSION 2.8.3) project(ego_planner) set(CMAKE_BUILD_TYPE "Release") ADD_COMPILE_OPTIONS(-std=c++11 ) ADD_COMPILE_OPTIONS(-std=c++14 ) set(CMAKE_CXX_FLAGS_RELEASE "-O3 -Wall -g") find_package(Eigen3 REQUIRED) find_package(PCL 1.7 REQUIRED) find_package(catkin REQUIRED COMPONENTS roscpp std_msgs geometry_msgs quadrotor_msgs plan_env path_searching bspline_opt traj_utils message_generation cv_bridge ) # catkin_package(CATKIN_DEPENDS message_runtime) catkin_package( INCLUDE_DIRS include LIBRARIES ego_planner CATKIN_DEPENDS plan_env path_searching bspline_opt traj_utils # DEPENDS system_lib ) include_directories( include SYSTEM ${catkin_INCLUDE_DIRS} ${PROJECT_SOURCE_DIR}/include ${EIGEN3_INCLUDE_DIR} ${PCL_INCLUDE_DIRS} ) add_executable(ego_planner_node src/ego_planner_node.cpp src/ego_replan_fsm.cpp src/planner_manager.cpp ) target_link_libraries(ego_planner_node ${catkin_LIBRARIES} ) #add_dependencies(ego_planner_node ${${PROJECT_NAME}_EXPORTED_TARGETS}) add_executable(traj_server src/traj_server.cpp) target_link_libraries(traj_server ${catkin_LIBRARIES}) #add_dependencies(traj_server ${${PROJECT_NAME}_EXPORTED_TARGETS})

这段代码是一个 CMakeLists.txt 文件，用于编译一个名为 ego_planner 的工程。该工程依赖于 Eigen3 和 PCL 库，同时也依赖于一些 ROS 的组件，如 roscpp、std_msgs、geometry_msgs、quadrotor_msgs、plan_env、path_searching、bspline_opt、traj_utils 和 message_generation。该工程包含两个可执行文件，一个是 ego_planner_node，另一个是 traj_server。其中 ego_planner_node.cpp 是主程序，它包含了 ego_replan_fsm.cpp 和 planner_manager.cpp 两个文件。traj_server.cpp 是用于生成轨迹的服务器程序。在编译过程中，使用了 C++11 和 C++14 标准，同时开启了 Release 模式。

在ros项目中添加发送websocket wss消息的功能，修改如下代码并在CmakeLists.txt中添加依赖，实现将serialized_data发送到wss://autopilot-test.t3go.cn:443/api/v1/vehicle/push/message/LFB1FV696M2L43840。main.cpp：#include "ros/ros.h" #include "std_msgs/String.h" #include <boost/thread/locks.hpp> #include <boost/thread/shared_mutex.hpp> #include "third_party/apollo/proto/perception/perception_obstacle.pb.h" #include "t3_perception.pb.h" apollo::perception::PerceptionObstacles perception_obstacles_; void perceptionCallback(const std_msgs::String& msg) { ROS_WARN("t3 perceptionCallback parse"); if (perception_obstacles_.ParseFromString(msg.data)) { double timestamp = perception_obstacles_.header().timestamp_sec(); ROS_INFO("t3 perceptionCallback timestamp %f count:%d", timestamp, perception_obstacles_.perception_obstacle().size()); std::string data; perception_obstacles_.SerializeToString(&data); VehData veh_data; veh_data.set_messagetype(5); veh_data.set_messagedes("PerceptionObstacles"); veh_data.set_contents(data); std::string serialized_data; veh_data.SerializeToString(&serialized_data); } else { ROS_ERROR("t3 perceptionCallback parse fail!"); } } int main(int argc, char **argv) { ros::init(argc, argv, "listener"); ros::NodeHandle n; ros::Subscriber sub = n.subscribe("/perception_node/perception_objects", 1000, perceptionCallback); ros::spin(); return 0; }CMakeLists.txt：cmake_minimum_required(VERSION 3.0.2) project(t3) find_package(catkin REQUIRED COMPONENTS roscpp rospy pcl_ros std_msgs third_party ) find_package(Protobuf REQUIRED) include_directories(${Protobuf_INCLUDE_DIRS} ${CMAKE_CURRENT_BINARY_DIR}/..) find_package(Boost REQUIRED) include_directories(${Boost_INCLUDE_DIRS}) set(ixwebsocket_INCLUDE_DIR "/usr/local/include/ixwebsocket") set(ixwebsocket_LIBRARIES "/usr/local/lib/libixwebsocket.a") include_directories(${ixwebsocket_INCLUDE_DIR}) include_directories(${CATKIN_DEVEL_PREFIX}/${CATKIN_GLOBAL_INCLUDE_DESTINATION}/${PROJECT_NAME}) include_directories(${CATKIN_DEVEL_PREFIX}/${CATKIN_GLOBAL_INCLUDE_DESTINATION}/smartview) catkin_package(INCLUDE_DIRS ${PROJECT_INCLUDE_DIRS} DEPENDS ${GFLAGS_LIBRARIES} ) include_directories( ${catkin_INCLUDE_DIRS} ${PROTOBUF_INCLUDE_DIR} ${PROJECT_SOURCE_DIR}/.. ) add_executable(${PROJECT_NAME}_node src/main.cpp ) add_dependencies(${PROJECT_NAME}_node ${catkin_EXPORTED_TARGETS}) target_link_libraries(${PROJECT_NAME}_node ${catkin_LIBRARIES} ${PROTOBUF_LIBRARIES} smartview_proto ) install(TARGETS ${PROJECT_NAME}_node ARCHIVE DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION} LIBRARY DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION} RUNTIME DESTINATION ${CATKIN_GLOBAL_BIN_DESTINATION} )

你可以使用以下代码来添加发送websocket wss消息的功能，同时在CmakeLists.txt中添加依赖：

#include "ros/ros.h"
#include "std_msgs/String.h"
#include <boost/thread/locks.hpp>
#include <boost/thread/shared_mutex.hpp>
#include "third_party/apollo/proto/perception/perception_obstacle.pb.h"
#include "t3_perception.pb.h"

#include <ixwebsocket/IXWebSocket.h>

using namespace ix;

apollo::perception::PerceptionObstacles perception_obstacles_;

void perceptionCallback(const std_msgs::String& msg) {
    ROS_WARN("t3 perceptionCallback parse");

    if (perception_obstacles_.ParseFromString(msg.data)) {
        double timestamp = perception_obstacles_.header().timestamp_sec();
        ROS_INFO("t3 perceptionCallback timestamp %f count:%d", timestamp, perception_obstacles_.perception_obstacle().size());
        std::string data;
        perception_obstacles_.SerializeToString(&data);
        VehData veh_data;
        veh_data.set_messagetype(5);
        veh_data.set_messagedes("PerceptionObstacles");
        veh_data.set_contents(data);
        std::string serialized_data;
        veh_data.SerializeToString(&serialized_data);

        // create a WebSocket connection
        WebSocket websocket;
        websocket.setTLSOptions({}); // use default options

        websocket.setOnMessageCallback([](const WebSocketMessagePtr& msg) {
            std::cout << "Received message: " << msg->str << std::endl;
        });

        websocket.setOnCloseCallback([](WebSocket& ws, const WebSocketCloseInfo& info) {
            std::cout << "WebSocket closed: " << info.reason << std::endl;
        });

        websocket.setOnErrorCallback([](const std::error_code& ec) {
            std::cout << "Error: " << ec << ", error message: " << ec.message() << std::endl;
        });

        websocket.connect("wss://autopilot-test.t3go.cn:443/api/v1/vehicle/push/message/LFB1FV696M2L43840");
        websocket.send(serialized_data);
        websocket.close();
    } else {
        ROS_ERROR("t3 perceptionCallback parse fail!");
    }
}

int main(int argc, char **argv) {
    ros::init(argc, argv, "listener");
    ros::NodeHandle n;
    ros::Subscriber sub = n.subscribe("/perception_node/perception_objects", 1000, perceptionCallback);
    ros::spin();
    return 0;
}

在CmakeLists.txt中添加以下依赖：

find_package(ixwebsocket REQUIRED)
target_link_libraries(${PROJECT_NAME}_node ixwebsocket)

注意，你需要安装ixwebsocket库以使用WebSocket功能。