zxy的项目如何启动

博客提及了启动后台和前端的操作,同时指出更新采用git pull的方式,涉及前后端启动与代码更新相关信息技术内容。

启动后台

    

 

启动前端

 

更新是用git pull

 

 

momo@ubuntu:~/catkin_ws$ cd ~/catkin_ws momo@ubuntu:~/catkin_ws$ catkin_make -DCATKIN_WHITELIST_PACKAGES="zxy_1063_pkg" # 仅编译当前功能包,提高效率 setup.bash roslaunch zxy_1063_pkg writing_tian.launch # 启动节点验证功能Base path: /home/momo/catkin_ws Source space: /home/momo/catkin_ws/src Build space: /home/momo/catkin_ws/build Devel space: /home/momo/catkin_ws/devel Install space: /home/momo/catkin_ws/install #### #### Running command: "cmake /home/momo/catkin_ws/src -DCATKIN_WHITELIST_PACKAGES=zxy_1063_pkg -DCATKIN_DEVEL_PREFIX=/home/momo/catkin_ws/devel -DCMAKE_INSTALL_PREFIX=/home/momo/catkin_ws/install -G Unix Makefiles" in "/home/momo/catkin_ws/build" #### -- Using CATKIN_DEVEL_PREFIX: /home/momo/catkin_ws/devel -- Using CMAKE_PREFIX_PATH: /home/momo/zxy_0063_ws/devel;/home/momo/catkin_ws/devel;/opt/ros/noetic -- This workspace overlays: /home/momo/zxy_0063_ws/devel;/home/momo/catkin_ws/devel;/opt/ros/noetic -- Found PythonInterp: /usr/bin/python3 (found suitable version "3.8.10", minimum required is "3") -- Using PYTHON_EXECUTABLE: /usr/bin/python3 -- Using Debian Python package layout -- Using empy: /usr/lib/python3/dist-packages/em.py -- Using CATKIN_ENABLE_TESTING: ON -- Call enable_testing() -- Using CATKIN_TEST_RESULTS_DIR: /home/momo/catkin_ws/build/test_results -- Forcing gtest/gmock from source, though one was otherwise available. -- Found gtest sources under '/usr/src/googletest': gtests will be built -- Found gmock sources under '/usr/src/googletest': gmock will be built -- Found PythonInterp: /usr/bin/python3 (found version "3.8.10") -- Using Python nosetests: /usr/bin/nosetests3 -- catkin 0.8.12 -- BUILD_SHARED_LIBS is on -- BUILD_SHARED_LIBS is on -- Using CATKIN_WHITELIST_PACKAGES: zxy_1063_pkg -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- ~~ traversing 1 packages in topological order: -- ~~ - zxy_1063_pkg -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- +++ processing catkin package: 'zxy_1063_pkg' -- ==> add_subdirectory(zxy_1063_pkg) -- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy -- Generating .msg files for action zxy_1063_pkg/WritingAction /home/momo/catkin_ws/src/zxy_1063_pkg/action/WritingAction.action -- zxy_1063_pkg: 7 messages, 0 services -- Configuring done -- Generating done -- Build files have been written to: /home/momo/catkin_ws/build #### #### Running command: "make -j4 -l4" in "/home/momo/catkin_ws/build" #### [ 0%] Built target std_srvs_generate_messages_eus [ 0%] Built target turtlesim_generate_messages_eus [ 0%] Built target std_srvs_generate_messages_lisp [ 0%] Built target std_srvs_generate_messages_nodejs [ 0%] Built target turtlesim_generate_messages_lisp [ 0%] Built target turtlesim_generate_messages_py [ 0%] Built target std_msgs_generate_messages_lisp [ 0%] Built target geometry_msgs_generate_messages_lisp [ 0%] Built target _zxy_1063_pkg_generate_messages_check_deps_WritingActionResult [ 0%] Built target _zxy_1063_pkg_generate_messages_check_deps_WritingActionFeedback [ 0%] Built target _zxy_1063_pkg_generate_messages_check_deps_WritingActionAction [ 0%] Built target _zxy_1063_pkg_generate_messages_check_deps_WritingActionGoal [ 0%] Built target _zxy_1063_pkg_generate_messages_check_deps_WritingActionActionFeedback [ 0%] Built target _zxy_1063_pkg_generate_messages_check_deps_WritingActionActionGoal [ 0%] Built target actionlib_msgs_generate_messages_lisp [ 0%] Built target geometry_msgs_generate_messages_eus [ 0%] Built target std_msgs_generate_messages_nodejs [ 0%] Built target actionlib_msgs_generate_messages_eus [ 0%] Built target std_msgs_generate_messages_eus [ 0%] Built target std_msgs_generate_messages_cpp [ 0%] Built target geometry_msgs_generate_messages_py [ 0%] Built target _zxy_1063_pkg_generate_messages_check_deps_WritingActionActionResult [ 0%] Built target roscpp_generate_messages_cpp [ 0%] Built target roscpp_generate_messages_eus [ 0%] Built target rosgraph_msgs_generate_messages_nodejs [ 0%] Built target actionlib_generate_messages_cpp [ 0%] Built target actionlib_msgs_generate_messages_py [ 0%] Built target roscpp_generate_messages_py [ 0%] Built target roscpp_generate_messages_nodejs [ 0%] Built target std_srvs_generate_messages_py [ 0%] Built target rosgraph_msgs_generate_messages_eus [ 0%] Built target rosgraph_msgs_generate_messages_lisp [ 0%] Built target geometry_msgs_generate_messages_nodejs [ 0%] Built target turtlesim_generate_messages_cpp [ 0%] Built target roscpp_generate_messages_lisp [ 0%] Built target actionlib_generate_messages_lisp [ 0%] Built target rosgraph_msgs_generate_messages_cpp [ 0%] Built target actionlib_generate_messages_eus [ 0%] Built target turtlesim_generate_messages_nodejs [ 0%] Built target actionlib_msgs_generate_messages_cpp [ 0%] Built target actionlib_generate_messages_nodejs [ 0%] Built target actionlib_generate_messages_py [ 0%] Built target actionlib_msgs_generate_messages_nodejs [ 0%] Built target std_msgs_generate_messages_py [ 0%] Built target std_srvs_generate_messages_cpp [ 0%] Built target geometry_msgs_generate_messages_cpp [ 0%] Built target rosgraph_msgs_generate_messages_py [ 17%] Built target zxy_1063_pkg_generate_messages_lisp [ 36%] Built target zxy_1063_pkg_generate_messages_eus [ 53%] Built target zxy_1063_pkg_generate_messages_nodejs [ 73%] Built target zxy_1063_pkg_generate_messages_py [ 90%] Built target zxy_1063_pkg_generate_messages_cpp Scanning dependencies of target writing_client Scanning dependencies of target writing_server [ 90%] Built target zxy_1063_pkg_generate_messages [ 92%] Building CXX object zxy_1063_pkg/CMakeFiles/writing_client.dir/src/writing_client.cpp.o [ 95%] Building CXX object zxy_1063_pkg/CMakeFiles/writing_server.dir/src/writing_server.cpp.o /home/momo/catkin_ws/src/zxy_1063_pkg/src/writing_server.cpp:3:10: fatal error: <turtlesim/Spawn.h: No such file or directory 3 | #include <<turtlesim/Spawn.h> | ^~~~~~~~~~~~~~~~~~~~ compilation terminated. make[2]: *** [zxy_1063_pkg/CMakeFiles/writing_server.dir/build.make:63: zxy_1063_pkg/CMakeFiles/writing_server.dir/src/writing_server.cpp.o] Error 1 make[1]: *** [CMakeFiles/Makefile2:2194: zxy_1063_pkg/CMakeFiles/writing_server.dir/all] Error 2 make[1]: *** Waiting for unfinished jobs.... /home/momo/catkin_ws/src/zxy_1063_pkg/src/writing_client.cpp:3:10: fatal error: zxy_1063_pkg/WritingAction.h: No such file or directory 3 | #include <zxy_1063_pkg/WritingAction.h> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. make[2]: *** [zxy_1063_pkg/CMakeFiles/writing_client.dir/build.make:63: zxy_1063_pkg/CMakeFiles/writing_client.dir/src/writing_client.cpp.o] Error 1 make[1]: *** [CMakeFiles/Makefile2:508: zxy_1063_pkg/CMakeFiles/writing_client.dir/all] Error 2 make: *** [Makefile:141: all] Error 2 Invoking "make -j4 -l4" failed
12-28
下载方式:https://pan.quark.cn/s/a4b39357ea24 布线问题(分支限界算法)是计算机科学和电子工程领域中一个广为人知的议题,它主要探讨如何在印刷电路板上定位两个节点间最短的连接路径。 在这一议题中,电路板被构建为一个包含 n×m 个方格的矩阵,每个方格能够被界定为可通行或不可通行,其核心任务是定位从初始点到最终点的最短路径。 分支限界算法是处理布线问题的一种常用策略。 该算法与回溯法有相似之处,但存在差异,分支限界法仅需获取满足约束条件的一个最优路径,并按照广度优先或最小成本优先的原则来探索解空间树。 树 T 被构建为子集树或排列树,在探索过程中,每个节点仅被赋予一次成为扩展节点的机会,且会一次性生成其全部子节点。 针对布线问题的解决,队列式分支限界法可以被采用。 从起始位置 a 出发,将其设定为首个扩展节点,并将与该扩展节点相邻且可通行的方格加入至活跃节点队列中,将这些方格标记为 1,即从起始方格 a 到这些方格的距离为 1。 随后,从活跃节点队列中提取队首节点作为下一个扩展节点,并将与当前扩展节点相邻且未标记的方格标记为 2,随后将这些方格存入活跃节点队列。 这一过程将持续进行,直至算法探测到目标方格 b 或活跃节点队列为空。 在实现上述算法时,必须定义一个类 Position 来表征电路板上方格的位置,其成员 row 和 col 分别指示方格所在的行和列。 在方格位置上,布线能够沿右、下、左、上四个方向展开。 这四个方向的移动分别被记为 0、1、2、3。 下述表格中,offset[i].row 和 offset[i].col(i=0,1,2,3)分别提供了沿这四个方向前进 1 步相对于当前方格的相对位移。 在 Java 编程语言中,可以使用二维数组...
源码来自:https://pan.quark.cn/s/a4b39357ea24 在VC++开发过程中,对话框(CDialog)作为典型的用户界面组件,承担着与用户进行信息交互的重要角色。 在VS2008SP1的开发环境中,常常需要满足为对话框配置个性化背景图片的需求,以此来优化用户的操作体验。 本案例将系统性地阐述在CDialog框架下如何达成这一功能。 首先,需要在资源设计工具中构建一个新的对话框资源。 具体操作是在Visual Studio平台中,进入资源视图(Resource View)界面,定位到对话框(Dialog)分支,通过右键选择“插入对话框”(Insert Dialog)选项。 完成对话框内控件的布局设计后,对对话框资源进行保存。 随后,将着手进行背景图片的载入工作。 通常有两种主要的技术路径:1. **运用位图控件(CStatic)**:在对话框界面中嵌入一个CStatic控件,并将其属性设置为BST_OWNERDRAW,从而具备自主控制绘制过程的权限。 在对话框的类定义中,需要重写OnPaint()函数,负责调用图片资源并借助CDC对象将其渲染到对话框表面。 此外,必须合理处理WM_CTLCOLORSTATIC消息,确保背景图片的展示不会受到其他界面元素的干扰。 ```cppvoid CMyDialog::OnPaint(){ CPaintDC dc(this); // 生成设备上下文对象 CBitmap bitmap; bitmap.LoadBitmap(IDC_BITMAP_BACKGROUND); // 获取背景图片资源 CDC memDC; memDC.CreateCompatibleDC(&dc); CBitmap* pOldBitmap = m...
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