direct path read(USER I/0类)

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Traceback (most recent call last): File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/site-packages/graphviz/backend/execute.py", line 78, in run_check proc = subprocess.run(cmd, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/subprocess.py", line 548, in run with Popen(*popenargs, **kwargs) as process: ^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/subprocess.py", line 1028, in __init__ self._execute_child(args, executable, preexec_fn, close_fds, File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/subprocess.py", line 1950, in _execute_child raise child_exception_type(errno_num, err_msg, err_filename) FileNotFoundError: [Errno 2] No such file or directory: PosixPath('dot') The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/data/user/0/com.cscjapp.python/files/ide_files/ide_run.py", line 31, in <module> start(fakepyfile,mainpyfile) File "/data/user/0/com.cscjapp.python/files/ide_files/ide_run.py", line 30, in start exec(open(mainpyfile).read(), __main__.__dict__) File "<string>", line 73, in <module> File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/site-packages/graphviz/_tools.py", line 171, in wrapper return func(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^ File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/site-packages/graphviz/rendering.py", line 122, in render rendered = self._render(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/site-packages/graphviz/_tools.py", line 171, in wrapper return func(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^ File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/site-packages/graphviz/backend/rendering.py", line 326, in render execute.run_check(cmd, File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/site-packages/graphviz/backend/execute.py", line 81, in run_check raise ExecutableNotFound(cmd) from e graphviz.backend.execute.ExecutableNotFound: failed to execute PosixPath('dot'), make sure the Graphviz executables are on your systems' PATH /storage/emulated/0/Android/data/com.cscjapp.python/files/CJ_IDE/PythonProject/默认目录/Helloworld/src $
03-09
错误:Traceback (most recent call last): File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/site-packages/graphviz/backend/execute.py", line 78, in run_check proc = subprocess.run(cmd, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/subprocess.py", line 548, in run with Popen(*popenargs, **kwargs) as process: ^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/subprocess.py", line 1028, in __init__ self._execute_child(args, executable, preexec_fn, close_fds, File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/subprocess.py", line 1950, in _execute_child raise child_exception_type(errno_num, err_msg, err_filename) FileNotFoundError: [Errno 2] No such file or directory: PosixPath('dot') The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/data/user/0/com.cscjapp.python/files/ide_files/ide_run.py", line 31, in <module> start(fakepyfile,mainpyfile) File "/data/user/0/com.cscjapp.python/files/ide_files/ide_run.py", line 30, in start exec(open(mainpyfile).read(), __main__.__dict__) File "<string>", line 73, in <module> File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/site-packages/graphviz/_tools.py", line 171, in wrapper return func(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^ File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/site-packages/graphviz/rendering.py", line 122, in render rendered = self._render(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/site-packages/graphviz/_tools.py", line 171, in wrapper return func(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^ File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/site-packages/graphviz/backend/rendering.py", line 326, in render execute.run_check(cmd, File "/data/user/0/com.cscjapp.python/files/aarch64-linux-android/lib/python3.11/site-packages/graphviz/backend/execute.py", line 81, in run_check raise ExecutableNotFound(cmd) from e graphviz.backend.execute.ExecutableNotFound: failed to execute PosixPath('dot'), make sure the Graphviz executables are on your systems' PATH /storage/emulated/0/Android/data/com.cscjapp.python/files/CJ_IDE/PythonProject/默认目录/Helloworld/src $
03-09
一、综合实战—使用极轴追踪方式绘制信号灯 实战目标:利用对象捕捉追踪和极轴追踪功能创建信号灯图形 技术要点:结合两种追踪方式实现精确绘图,适用于工程制图中需要精确定位的场景 1. 切换至AutoCAD 操作步骤: 启动AutoCAD 2016软件 打开随书光盘中的素材文件 确认工作空间为"草图与注释"模式 2. 绘图设置 1)草图设置对话框 打开方式:通过"工具→绘图设置"菜单命令 功能定位:该对话框包含捕捉、追踪等核心绘图辅助功能设置 2)对象捕捉设置 关键配置: 启用对象捕捉(F3快捷键) 启用对象捕捉追踪(F11快捷键) 勾选端点、中心、圆心、象限点等常用捕捉模式 追踪原理:命令执行时悬停光标可显示追踪矢量,再次悬停可停止追踪 3)极轴追踪设置 参数设置: 启用极轴追踪功能 设置角度增量为45度 确认后退出对话框 3. 绘制信号灯 1)绘制圆形 执行命令:"绘图→圆→圆心、半径"命令 绘制过程: 使用对象捕捉追踪定位矩形中心作为圆心 输入半径值30并按Enter确认 通过象限点捕捉确保圆形位置准确 2)绘制直线 操作要点: 选择"绘图→直线"命令 捕捉矩形上边中点作为起点 捕捉圆的上象限点作为终点 按Enter结束当前直线命令 重复技巧: 按Enter可重复最近使用的直线命令 通过圆心捕捉和极轴追踪绘制放射状直线 最终形成完整的信号灯指示图案 3)完成绘制 验证要点: 检查所有直线是否准确连接圆心和象限点 确认极轴追踪的45度增量是否体现 保存绘图文件(快捷键Ctrl+S)
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