介绍 # - *安康;编码:utf-8 - * -
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# #,使用wxPython的绘图模块wxPyPlot,需要数据可视化的时候,无需再借用其他的库或模块了
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import numpy as np
import 天气
import wx.lib.plot as wxPyPlot #,导入绘图模块,并命名为wxPyPlot
import 波
import pylab as pl
#,需要把数据封装进入MyDataObject中
def MyDataObject ():
,#,50个点的罪恶函数,用蓝色圆点表示
data1 =, 2。* np.pi * np.arange (100)/100。
,data1.shape =,(50岁,2)
,data1 (:,, 1),=, np.sin (data1 (:,, 0))
,print (“调试:“,,data1.shape)=,,markers wxPyPlot.PolyMarker (data1,传说=& # 39;Green 标记# 39;,,颜色=& # 39;蓝# 39;,,标志=& # 39;圆# 39;,,大?1)
,# 50个点的因为函数,用红色表示
data2 =, 2。* np.pi * np.arange (100)/100。
,data2.shape =,(50岁,2)
,print (“调试:data2",, len (data2))
,data2 (:,, 1),=, np.cos (data2 (:,, 0))=,,lines wxPyPlot.PolySpline (data2,传说=& # 39;Red 行# 39;,,颜色=& # 39;红色# 39;)=,GraphTitle “Plot 数据(Sin 以及Cos)“;
,
,return wxPyPlot.PlotGraphics(标记,,,,GraphTitle,,“X Axis",,“Y Axis")
#,解析wav数据
def MyWavData (wav_filename=?“):
,打印(& # 39;工作# 39;)
,#打开wav文档=,,file wave.open (“mic4.wav",,“r")
,#读取格式信息
,# (nchannels, sampwidth,帧速率,,nframes,, comptype,, compname)=,,params file.getparams ()
,nchannels, sampwidth,帧速率,,nframes =, params [4]
,print (sampwidth, nchannels,还以为,帧速率,nframes)
,#读取波形数据=,,str_data file.readframes (nframes)
,#文件使用完毕,关闭文件
,file.close ()
,#将波形数据装换成数组=,,wave_data np.fromstring (str_data, dtype=np.short)
,wave_data.shape =, (1, 2)=,,wave_data wave_data.T #,矩阵转置=,,time np.arange (0,, nframes), *,(1.0,/,帧速率)
,# print (“调试:时间:“,,len(时间))
,# print (“调试:wave_data:“,, len (wave_data [0] [0: len(时间))))
,# print (“调试:时间:,,,时间)
,# print (“调试:波:“,,wave_data)=,,time_and_wav np.asarray ([,, wave_data [0] [0: len(时间)]]).T
,print (“调试:len of time 以及wav:,,,, len (time_and_wav))
,print (“调试:time 以及wav:,,,, time_and_wav.shape)=,,lines wxPyPlot.PolySpline (time_and_wav,传说=& # 39;Blue 行# 39;,,颜色=& # 39;蓝# 39;)=,GraphTitle “, freq of wav file"
,return wxPyPlot.PlotGraphics ((,,),, GraphTitle,,“时间/s",,“fre/Hz")
class TestFrame1 (wx.Frame):
,def __init__(父=自我,,没有,,id=wx.ID_ANY, title=癠sing wxPyPlot"):
wx.Frame.__init__才能(自我,母公司,id,标题,大?(800,,600))
#,才能创建菜单栏
时间=self.mainmenu 才能;wx.MenuBar ()
#,才能创建菜单
时间=menu 才能;wx.Menu ()
menu.Append才能(100,& # 39;Draw1& # 39;,, & # 39; Draw plots1& # 39;)
self.Bind才能(wx.EVT_MENU, self.OnPlotDraw1,, id=100)
menu.Append才能(200,& # 39;Draw_wav& # 39;,, & # 39; Draw wav # 39;)
self.Bind才能(wx.EVT_MENU, self.OnPlotDraw_wav,, id=200)
#,才能添加菜单到菜单栏
self.mainmenu.Append才能(菜单,& # 39;,情节# 39;)
#,才能设置菜单栏
self.SetMenuBar才能(self.mainmenu)
#,才能创建状态栏,显示信息
self.CreateStatusBar才能(2)
时间=self.pc 才能;wxPyPlot.PlotCanvas(自我),#,此处导入绘图面板
,
,def OnPlotDraw1(自我,事件):,,,,#,绘图函数
self.pc.Draw才能(MyDataObject ())
,def OnPlotDraw_wav(自我,事件):
self.pc.Draw才能(MyWavData ())
def main ():=,,app wx.App ()
,# MyWavData ()=,,tf TestFrame1 ()
,tf.Show ()
,app.MainLoop ()
#,测试wxPyPlot的代码
if __name__ ==, & # 39; __main__ # 39;:
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这篇文章给大家分享的是有关wxpython如何绘制音频效果的内容。小编觉得挺实用的,因此分享给大家做个参考,一起跟随小编过来看看吧。
具体内容如下
