我有一个用WxPython制作的界面，在Mac OsX中有一些系列算法。
当我运行程序并在不同算法之间进行选择时，我想绘制结果。
但我有一些问题，我不知道为什么matplotlib.pyplot不允许我创建一个情节。这是我得到的错误：
2016-02-10 15:09:19.289 Python[5193:1426611] -[wxNSApplication _setup:]: unrecognized selector sent to instance 0x1020ac450
2016-02-10 15:09:19.289 Python[5193:1426611] -[wxNSApplication _setup:]: unrecognized selector sent to instance 0x1020ac450
2016-02-10 15:09:19.294 Python[5193:1426611] (
0 CoreFoundation 0x00007fff9021aae2 __exceptionPreprocess + 178
1 libobjc.A.dylib 0x00007fff967bf73c objc_exception_throw + 48
2 CoreFoundation 0x00007fff9021db9d -[NSObject(NSObject) doesNotRecognizeSelector:] + 205
3 CoreFoundation 0x00007fff90156601 ___forwarding___ + 1009
4 CoreFoundation 0x00007fff90156188 _CF_forwarding_prep_0 + 120
5 Tk 0x00000001089e3958 TkpInit + 476
6 Tk 0x000000010895ea7e Tk_Init + 1799
7 _tkinter.so 0x000000010883bbfd Tcl_AppInit + 77
8 _tkinter.so 0x000000010883a336 Tkinter_Create + 966
9 Python 0x00000001000c2f7d PyEval_EvalFrameEx + 21485
10 Python 0x00000001000c4f93 PyEval_EvalCodeEx + 2115
11 Python 0x000000010003e990 function_call + 176
12 Python 0x000000010000cde2 PyObject_Call + 98
13 Python 0x000000010001f43d instancemethod_call + 365
14 Python 0x000000010000cde2 PyObject_Call + 98
15 Python 0x00000001000bc8c7 PyEval_CallObjectWithKeywords + 87
16 Python 0x000000010002272e PyInstance_New + 126
17 Python 0x000000010000cde2 PyObject_Call + 98
18 Python 0x00000001000c0c10 PyEval_EvalFrameEx + 12416
19 Python 0x00000001000c4f93 PyEval_EvalCodeEx + 2115
20 Python 0x00000001000c33c0 PyEval_EvalFrameEx + 22576
21 Python 0x00000001000c4f93 PyEval_EvalCodeEx + 2115
22 Python 0x000000010003e990 function_call + 176
23 Python 0x000000010000cde2 PyObject_Call + 98
24 Python 0x00000001000bf70f PyEval_EvalFrameEx + 7039
25 Python 0x00000001000c4f93 PyEval_EvalCodeEx + 2115
26 Python 0x00000001000c33c0 PyEval_EvalFrameEx + 22576
27 Python 0x00000001000c4f93 PyEval_EvalCodeEx + 2115
28 Python 0x00000001000c33c0 PyEval_EvalFrameEx + 22576
29 Python 0x00000001000c4f93 PyEval_EvalCodeEx + 2115
30 Python 0x00000001000c33c0 PyEval_EvalFrameEx + 22576
31 Python 0x00000001000c4f93 PyEval_EvalCodeEx + 2115
32 Python 0x00000001000c33c0 PyEval_EvalFrameEx + 22576
33 Python 0x00000001000c4f93 PyEval_EvalCodeEx + 2115
34 Python 0x000000010003e990 function_call + 176
35 Python 0x000000010000cde2 PyObject_Call + 98
36 Python 0x000000010001f43d instancemethod_call + 365
37 Python 0x000000010000cde2 PyObject_Call + 98
38 Python 0x00000001000bc8c7 PyEval_CallObjectWithKeywords + 87
39 _core_.so 0x00000001024cc478 _ZN12wxPyCallback12EventThunkerER7wxEvent + 312
40 libwx_osx_cocoau-3.0.0.2.0.dylib 0x00000001031ad094 _ZN12wxEvtHandler23ProcessEventIfMatchesIdERK21wxEventTableEntryBasePS_R7wxEvent + 84
41 libwx_osx_cocoau-3.0.0.2.0.dylib 0x00000001031ae18f _ZN12wxEvtHandler23SearchDynamicEventTableER7wxEvent + 111
42 libwx_osx_cocoau-3.0.0.2.0.dylib 0x00000001031af2f8 _ZN12wxEvtHandler11TryHereOnlyER7wxEvent + 40
43 libwx_osx_cocoau-3.0.0.2.0.dylib 0x00000001031af3ab _ZN12wxEvtHandler19ProcessEventLocallyER7wxEvent + 59
44 libwx_osx_cocoau-3.0.0.2.0.dylib 0x00000001031af415 _ZN12wxEvtHandler12ProcessEventER7wxEvent + 69
45 libwx_osx_cocoau-3.0.0.2.0.dylib 0x00000001031aef86 _ZN12wxEvtHandler18SafelyProcessEventER7wxEvent + 22
46 libwx_osx_cocoau-3.0.0.2.0.dylib 0x00000001033f0960 _ZNK12wxWindowBase17HandleWindowEventER7wxEvent + 16
47 libwx_osx_cocoau-3.0.0.2.0.dylib 0x000000010323f7d9 _ZN9wxControl14ProcessCommandER14wxCommandEvent + 9
48 libwx_osx_cocoau-3.0.0.2.0.dylib 0x000000010320d247 _ZN8wxButton16OSXHandleClickedEd + 71
49 libsystem_trace.dylib 0x00007fff953bf07a _os_activity_initiate + 75
50 AppKit 0x00007fff979b651d -[NSApplication sendAction:to:from:] + 460
51 AppKit 0x00007fff979cb486 -[NSControl sendAction:to:] + 86
52 AppKit 0x00007fff979cb3b0 __26-[NSCell _sendActionFrom:]_block_invoke + 131
53 libsystem_trace.dylib 0x00007fff953bf07a _os_activity_initiate + 75
54 AppKit 0x00007fff979cb30d -[NSCell _sendActionFrom:] + 144
55 libsystem_trace.dylib 0x00007fff953bf07a _os_activity_initiate + 75
56 AppKit 0x00007fff979c9932 -[NSCell trackMouse:inRect:ofView:untilMouseUp:] + 2693
57 AppKit 0x00007fff97a1ed58 -[NSButtonCell trackMouse:inRect:ofView:untilMouseUp:] + 744
58 AppKit 0x00007fff979c805c -[NSControl mouseDown:] + 669
59 libwx_osx_cocoau-3.0.0.2.0.dylib 0x00000001032d2d4d _ZN17wxWidgetCocoaImpl10mouseEventEP7NSEventP6NSViewPv + 157
60 AppKit 0x00007fff97f75d1d -[NSWindow _handleMouseDownEvent:isDelayedEvent:] + 6322
61 AppKit 0x00007fff97f76fad -[NSWindow _reallySendEvent:isDelayedEvent:] + 212
62 AppKit 0x00007fff978cf735 -[NSWindow sendEvent:] + 517
63 libwx_osx_cocoau-3.0.0.2.0.dylib 0x00000001032bacfc -[wxNSWindow sendEvent:] + 140
64 AppKit 0x00007fff978cbe49 -[NSApplication sendEvent:] + 2540
65 libwx_osx_cocoau-3.0.0.2.0.dylib 0x00000001031c16ea -[wxNSApplication sendEvent:] + 74
66 AppKit 0x00007fff977ff03a -[NSApplication run] + 796
67 libwx_osx_cocoau-3.0.0.2.0.dylib 0x00000001032ab418 _ZN14wxGUIEventLoop8OSXDoRunEv + 248
68 libwx_osx_cocoau-3.0.0.2.0.dylib 0x000000010317860f _ZN13wxCFEventLoop5DoRunEv + 31
69 libwx_osx_cocoau-3.0.0.2.0.dylib 0x00000001030b10e1 _ZN15wxEventLoopBase3RunEv + 65
70 libwx_osx_cocoau-3.0.0.2.0.dylib 0x0000000103076787 _ZN16wxAppConsoleBase8MainLoopEv + 103
71 _core_.so 0x00000001024c33dc _ZN7wxPyApp8MainLoopEv + 76
72 _core_.so 0x000000010250dd8f _wrap_PyApp_MainLoop + 79
73 Python 0x00000001000c2d32 PyEval_EvalFrameEx + 20898
74 Python 0x00000001000c4f93 PyEval_EvalCodeEx + 2115
75 Python 0x000000010003e990 function_call + 176
76 Python 0x000000010000cde2 PyObject_Call + 98
77 Python 0x000000010001f43d instancemethod_call + 365
78 Python 0x000000010000cde2 PyObject_Call + 98
79 Python 0x00000001000c0c10 PyEval_EvalFrameEx + 12416
80 Python 0x00000001000c3bcf PyEval_EvalFrameEx + 24639
81 Python 0x00000001000c4f93 PyEval_EvalCodeEx + 2115
82 Python 0x00000001000c50b6 PyEval_EvalCode + 54
83 Python 0x00000001000e993e PyRun_FileExFlags + 174
84 Python 0x00000001000e9bda PyRun_SimpleFileExFlags + 458
85 Python 0x0000000100100bfd Py_Main + 3101
86 Python 0x0000000100000f14 Python + 3860
87 ??? 0x0000000000000002 0x0 + 2
)
Process finished with exit code 143
当我绘制结果时会发生这种情况，如下所示： pp.plot（[1,2,3,4,5]） pp.show
我一直在做一些研究，但我没有找到解决方案。
我尝试以其他方式进行，这是用Canvas做同样的事情等等...但我不能制作线条图，只有条形图，但我需要一个线条图，这是我的代码为了绘制条形图，我不知道如何绘制线条......
class BarsqwFrame(wx.Frame):
title = 'Gráfica'
def __init__(self, dataResults):
wx.Frame.__init__(self, wx.GetApp().TopWindow, -1, self.title)
#self.data = dataResults
self.data = [1, 2, 3, 4, 1, 2, 3, 1, 2, 3, 4, 1]
self.create_menu()
self.create_main_panel()
self.draw_figure()
def create_menu(self):
self.menubar = wx.MenuBar()
menu_file = wx.Menu()
m_expt = menu_file.Append(-1, "&Save plot\tCtrl-S", "Save plot to file")
self.Bind(wx.EVT_MENU, self.on_save_plot, m_expt)
menu_file.AppendSeparator()
m_exit = menu_file.Append(-1, "&Exit\tCtrl-X", "Exit")
self.Bind(wx.EVT_MENU, self.on_exit, m_exit)
self.menubar.Append(menu_file, "&File")
self.SetMenuBar(self.menubar)
def create_main_panel(self):
""" Creates the main panel with all the controls on it:
* mpl canvas
* mpl navigation toolbar
* Control panel for interaction
"""
self.panel = wx.Panel(self)
# Create the mpl Figure and FigCanvas objects.
# 5x4 inches, 100 dots-per-inch
#
self.dpi = 100
self.fig = Figure((5.0, 4.0), dpi=self.dpi)
self.canvas = FigCanvas(self.panel, -1, self.fig)
# Since we have only one plot, we can use add_axes
# instead of add_subplot, but then the subplot
# configuration tool in the navigation toolbar wouldn't
# work.
#
self.axes = self.fig.add_subplot(111)
# Bind the 'pick' event for clicking on one of the bars
#
self.canvas.mpl_connect('pick_event', self.on_pick)
# Create the navigation toolbar, tied to the canvas
#
self.toolbar = NavigationToolbar(self.canvas)
#
# Layout with box sizers
#
self.vbox = wx.BoxSizer(wx.VERTICAL)
self.vbox.Add(self.canvas, 1, wx.LEFT | wx.TOP | wx.GROW)
self.vbox.Add(self.toolbar, 0, wx.EXPAND)
self.hbox = wx.BoxSizer(wx.HORIZONTAL)
self.vbox.Add(self.hbox, 0, flag = wx.ALIGN_LEFT | wx.TOP)
self.panel.SetSizer(self.vbox)
self.vbox.Fit(self)
def draw_figure(self):
#Redraws the figure
x = range(len(self.data))
# clear the axes and redraw the plot anew
#self.axes.clear()
#self.axes.Line2D(xdata=x, ydata=self.data)
#self.axes.bar(left=x, height=self.data, width=0.5, align='center')
#This lines doesn't make a lines plot...
#self.axes.barh(bottom=[0,1,2,3], width=[4, 5, 6, 7])
#self.axes.angle_spectrum(x = [0,1,2,3])
#self.axes.spy(Z = self.data)
self.canvas.draw()
def on_pick(self, event):
# The event received here is of the type
# matplotlib.backend_bases.PickEvent
box_points = event.artist.get_bbox().get_points()
msg = "Has clickeado en las coordenadas:\n %s" % box_points
dlg = wx.MessageDialog(self, msg, "Click!", wx.OK | wx.ICON_INFORMATION)
dlg.ShowModal()
dlg.Destroy()
def on_save_plot(self, event):
file_choices = "PNG (*.png)|*.png"
dlg = wx.FileDialog(self, message="Guardar gráfica cómo...", defaultDir=os.getcwd(), defaultFile="plot.png", wildcard=file_choices, style=wx.SAVE)
if dlg.ShowModal() == wx.ID_OK:
path = dlg.GetPath()
self.canvas.print_figure(path, dpi=self.dpi)
def on_exit(self, event):
self.Destroy()
非常感谢你提前!!!