我正在尝试运行一些 Python 3 代码，它首先显示一个 OpenCV 窗口，当它关闭时，它应该使用 MatplotLib 绘制一些内容。然而，在 plt.show() 调用时，程序崩溃:python3.6 意外退出。
import numpy as np
import matplotlib
matplotlib.use("TkAgg") # <== Doesn't solve the problem
import matplotlib.pyplot as plt
import cv2
#cv2.ocl.setUseOpenCL(False) <== Doesn't solve the problem
im = np.zeros((100,100,3))
cv2.imshow('test', im)
cv2.waitKey(0)
plt.plot(np.sin(np.linspace(0,20,200)))
plt.show() # <== Crashes on this call
在其他 StackOverflow 帖子中，我发现将 MatplotLib 后端设置为 TkAgg 应该可以解决此问题或设置 setUseOpenCL(false)。然而，这两个潜在的修复程序都不适用于我的 MacBook。我尝试了几件事，例如更改导入顺序，尝试交换 MatplotLib 后端。有人知道如何解决这个问题吗？
MacOS Sierra 10.12.3
Python 3.6.0
TKinter版本8.5
OpenCV版本3.2.0
MatplotLib 版本 2.0.0
它如何崩溃的堆栈跟踪:
libc++abi.dylib:以 NSException 类型的未捕获异常终止
2017-03-28 11:30:45.639 python3.6[5208:78361] -[NSApplication _setup:]: unrecognized selector sent to instance 0x7f997ec98190 2017-03-28 11:30:45.641 python3.6[5208:78361] * Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSApplication _setup:]: unrecognized selector sent to instance 0x7f997ec98190' * First throw call stack: ( 0 CoreFoundation 0x00007fffbeb80e7b exceptionPreprocess + 171 1 libobjc.A.dylib 0x00007fffd3760cad objc_exception_throw + 48 2 CoreFoundation 0x00007fffbec02cb4 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132 3 CoreFoundation 0x00007fffbeaf2fb5 ___forwarding_ + 1061 4 CoreFoundation 0x00007fffbeaf2b08 _CF_forwarding_prep_0 + 120 5 Tk 0x00000001032c45e6 TkpInit + 471 6 Tk 0x000000010323fc8d Tk_Init + 1794 7 _tkinter.cpython-36m-darwin.so 0x000000010311cde6 Tcl_AppInit + 82 8 _tkinter.cpython-36m-darwin.so 0x00000001031183a3 _tkinter_create + 1094 9 Python 0x0000000100b28ea2 _PyCFunction_FastCallDict + 172 10 Python 0x0000000100b927a2 call_function + 584 11 Python 0x0000000100b8fbbb _PyEval_EvalFrameDefault + 23930 12 Python 0x0000000100b92fbf _PyEval_EvalCodeWithName + 1973 13 Python 0x0000000100b938c4 _PyFunction_FastCallDict + 477 14 Python 0x0000000100aeea73 _PyObject_FastCallDict + 231 15 Python 0x0000000100aeeb93 _PyObject_Call_Prepend + 149 16 Python 0x0000000100aee8cb PyObject_Call + 102 17 Python 0x0000000100b3cd24 slot_tp_init + 61 18 Python 0x0000000100b39ac3 type_call + 184 19 Python 0x0000000100aeea34 _PyObject_FastCallDict + 168 20 Python 0x0000000100b9263b call_function + 225 21 Python 0x0000000100b8fbbb _PyEval_EvalFrameDefault + 23930 22 Python 0x0000000100b93976 _PyFunction_FastCall + 122 23 Python 0x0000000100b92775 call_function + 539 24 Python 0x0000000100b8fbbb _PyEval_EvalFrameDefault + 23930 25 Python 0x0000000100b92fbf _PyEval_EvalCodeWithName + 1973 26 Python 0x0000000100b89e02 PyEval_EvalCodeEx + 100 27 Python 0x0000000100b101e3 function_call + 363 28 Python 0x0000000100aee8cb PyObject_Call + 102 29 Python 0x0000000100b8fe16 _PyEval_EvalFrameDefault + 24533 30 Python 0x0000000100b92fbf _PyEval_EvalCodeWithName + 1973 31 Python 0x0000000100b936da fast_function + 241 32 Python 0x0000000100b92775 call_function + 539 33 Python 0x0000000100b8fbbb _PyEval_EvalFrameDefault + 23930 34 Python 0x0000000100b93976 _PyFunction_FastCall + 122 35 Python 0x0000000100b92775 call_function + 539 36 Python 0x0000000100b8fbbb _PyEval_EvalFrameDefault + 23930 37 Python 0x0000000100b92fbf _PyEval_EvalCodeWithName + 1973 38 Python 0x0000000100b936da fast_function + 241 39 Python 0x0000000100b92775 call_function + 539 40 Python 0x0000000100b8fbbb _PyEval_EvalFrameDefault + 23930 41 Python 0x0000000100b92fbf _PyEval_EvalCodeWithName + 1973 42 Python 0x0000000100b936da fast_function + 241 43 Python 0x0000000100b92775 call_function + 539 44 Python 0x0000000100b8fbbb _PyEval_EvalFrameDefault + 23930 45 Python 0x0000000100b92fbf _PyEval_EvalCodeWithName + 1973 46 Python 0x0000000100b89d98 PyEval_EvalCode + 100 47 Python 0x0000000100bb33aa run_mod + 58 48 Python 0x0000000100bb36bf PyRun_FileExFlags + 178 49 Python 0x0000000100bb2d58 PyRun_SimpleFileExFlags + 676 50 Python 0x0000000100bc74d0 Py_Main + 3472 51 python3.6 0x0000000100adfe17 python3.6 + 7703 52 libdyld.dylib 0x00007fffd4044255 start + 1 53 ??? 0x0000000000000002 0x0 + 2 )
最佳答案
不确定它是否会对你们有所帮助，但我在尝试将 matplotlib 嵌入到 kivy 应用程序中(也在 Mac 上)时遇到了类似的问题，经过几个小时的谷歌搜索、重写类、卸载和重新安装，以及在某一时刻甚至尝试完全使用不同的库进行绘图。我发现最简单的解决方案是完全关闭 ('TkAgg') 后端，因为它看起来效果不太好，然后显式声明 OSX 后端
import matplotlib
matplotlib.use("MacOSX")
import matplotlib.pyplot as plt
为我工作，奥卡姆斯 Razor 和我想的一切，祝你好运!
关于python - MatplotLib (TKinter) + OpenCV 在 Python 3 中崩溃，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/43066073/