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2dfft.py
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import tkinter as tk
from tkinter import messagebox
from tkinter import filedialog
#from PIL import Image, ImageTk
from tkinter.simpledialog import askfloat,askinteger,askstring
from pandas.core.frame import DataFrame
import pandas as pd
import csv
import numpy as np
import matplotlib.pyplot as plt
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg,NavigationToolbar2Tk
from matplotlib.backend_bases import key_press_handler
from matplotlib.figure import Figure
from matplotlib.patches import Ellipse, Circle
class App(tk.Frame):
def __init__(self,master=None):
super().__init__(master,width=400,height=300)
self.pack()
self.master = master
self.var_init()
#self.canvas = tk.Canvas()
self.bt1 = tk.Button(master,text="加载数据",command=self.load_data,width=12)
self.bt1.place(x=20,y=15)
self.bt2 = tk.Button(master,text="计算",command=self.deal_data,width=12)
self.bt2.place(x=120,y=15)
self.bt5 = tk.Button(master,text="设置完毕\n点此继续",command=self.disp_cur,width=20,height=3)
self.bt5.place(x=700,y=300)
self.entry1 = tk.Entry(master,width=8)
self.entry1.place(x=700,y=100)
self.entry2 = tk.Entry(master,width=8)
self.entry2.place(x=800,y=100)
#self.bt3 = tk.Button(master,text="确定",command=self.update_fre,width=8)
#self.bt3.place(x=750,y=130)
self.label1 = tk.Label(master,text = '显示设置')
self.label1.place(x=750,y=70)
self.entry3 = tk.Entry(master,width=8)
self.entry3.place(x=700,y=130)
self.entry4 = tk.Entry(master,width=8)
self.entry4.place(x=800,y=130)
self.bt4 = tk.Button(master,text="确定",command=self.update_bof,width=8)
self.bt4.place(x=750,y=160)
#self.label2 = tk.Label(master,text = '设置范围')
#self.label2.place(x=750,y=180)
self.scale1 = tk.Scale(master,from_=2,to=100,orient=tk.HORIZONTAL,command=self.mod_linenum,width=10)
self.scale1.set(50)
self.scale1.place(x=750,y=200)
self.label2 = tk.Label(master,text = '级别')
self.label2.place(x=700,y=218)
self.label3 = tk.Label(master,text = '频率')
self.label3.place(x=670,y=100)
self.label4 = tk.Label(master,text = '波数')
self.label4.place(x=670,y=130)
self.bt6 = tk.Button(master,text="添加模态",command=self.add_modal,width=12)
self.bt7 = tk.Button(master,text="完成",command=self.set_done,width=12)
self.bt8 = tk.Button(master,text="删除",command=self.del_modal,width=8)
self.bt9 = tk.Button(master,text="导出数据",command=self.export_data,width=12)
self.bt10 = tk.Button(master,text="加载数据",command=self.reload,width=12)
self.label_author = tk.Label(master,text = '作者：Jazzie \n Email：[email protected] \n沈阳建筑大学 岳国栋副教授课题组')
self.label_author.place(x=700,y=400)
self.modal_list = tk.Listbox(master,width = 12)
#self.bt6.place(x=20,y=15)
#self.canvas_width = 700
#self.canvas_height = 600
#self.img_canvas = tk.Canvas(master,width=self.canvas_width,height=self.canvas_height,bg='white')
#self.img_canvas.place(x=20,y=50)
def var_init(self):
self.origin_data = None
self.Fs = None
self.bof = None
self.ori_w = None
self.ori_h = None
self.data_fft2_sh = None
self.cur_img = None
self.state_flag = 0
self.f = None
self.data_set_group = []
self.data_set_xygroup = []
self.data_set = []
self.data_set_x = []
self.data_set_y = []
self.data_set_x_group = []
self.data_set_y_group = []
self.modal_index = 0
def window1_init(self):
self.var_init()
if self.f is not None:
plt.clf()
self.canvas.draw()
self.bt1.place(x=20,y=15)
self.bt2.place(x=120,y=15)
self.bt5.place(x=700,y=300)
self.entry1.place(x=700,y=100)
self.entry2.place(x=800,y=100)
self.entry3.place(x=700,y=130)
self.entry4.place(x=800,y=130)
self.bt4.place(x=750,y=160)
self.scale1.place(x=750,y=200)
self.label1.place(x=750,y=70)
self.label2.place(x=700,y=218)
self.label3.place(x=670,y=100)
self.label4.place(x=670,y=130)
self.bt6.place_forget()
self.bt8.place_forget()
self.bt9.place_forget()
self.bt7.place_forget()
self.bt10.place_forget()
self.modal_list.place_forget()
self.modal_list.delete(0,'end')
def window2_init(self):
#self.canvas.place_forget()
self.bt1.place_forget()
self.bt2.place_forget()
#self.bt3.place_forget()
self.bt4.place_forget()
self.bt5.place_forget()
self.entry1.place_forget()
self.entry2.place_forget()
self.entry3.place_forget()
self.entry4.place_forget()
self.scale1.place_forget()
self.label1.place_forget()
self.label2.place_forget()
self.label3.place_forget()
self.label4.place_forget()
self.bt6.place(x=20,y=15)
self.bt8.place(x=800,y=100)
self.bt9.place(x=120,y=15)
self.bt10.place(x=220,y=15)
self.modal_list.place(x=700,y=100)
def load_data(self):
data_path = filedialog.askopenfilename(filetypes=[('XLSX','xlsx')])
if data_path != '':
self.var_init()
if self.f is not None:
plt.clf()
self.canvas.draw()
self.origin_data = pd.read_excel(data_path,'Sheet1')
print(self.origin_data.shape)
messagebox.showinfo("Message","加载成功！")
def deal_data(self):
while self.Fs == None:
self.Fs = askinteger("Message", "时间采样率(Hz)", minvalue=-9999999999, maxvalue=9999999999)
if self.Fs == None:
messagebox.showinfo("Warning","输入为空")
while self.bof == None:
self.bof = askinteger("Message", "空间采样率(1/m)", minvalue=-9999999999, maxvalue=9999999999)
if self.bof == None:
messagebox.showinfo("Warning","输入为空")
try:
self._2dfft()
except:
messagebox.showinfo("Warning","输入数据错误，请重新导入")
return
self.cur_img = self.data_fft2_sh
self.create_img(self.cur_img)
def _2dfft(self):
#print(self.origin_data)
data_fft2 = np.fft.fft2(self.origin_data)
data_fft2_sh = abs(np.fft.fftshift(data_fft2)).T
w,h = data_fft2_sh.shape
data_fft2_sh = data_fft2_sh[w//2:,:h//2]
self.data_fft2_sh = np.fliplr(data_fft2_sh)
self.ori_w,self.ori_h = self.data_fft2_sh.shape
def create_img(self,img_data):
w,h = img_data.shape
self.axisx = (np.linspace(0,1,self.ori_h)*self.Fs/2)[0:h]
self.axisy = (np.linspace(0,1,self.ori_w)*np.pi*self.bof)[0:w]
X,Y = np.meshgrid(self.axisx,self.axisy)
self.f = plt.figure(figsize=(6.4,4.8),dpi=100)
C = plt.contour(X,Y,img_data,self.scale1.get(),color='black',linewidth=1)
#plt.plot([2,300000,9],[10,20,30])
self.canvas = FigureCanvasTkAgg(self.f,self.master)
self.canvas.draw()
self.canvas.get_tk_widget().place(x=20,y=50)
#toolbar =NavigationToolbar2Tk(self.canvas, self.master)
#toolbar.update()
#self.canvas._tkcanvas.place(x=20,y=50)
cid = self.f.canvas.mpl_connect('button_press_event', self.onclick)
def update_img(self,img_data):
w,h = img_data.shape
self.axisx = (np.linspace(0,1,self.ori_h)*self.Fs/2)[0:h]
self.axisy = (np.linspace(0,1,self.ori_w)*np.pi*self.bof)[0:w]
X,Y = np.meshgrid(self.axisx,self.axisy)
plt.clf()
C = plt.contour(X,Y,img_data,self.scale1.get(),color='black',linewidth=1)
if len(self.data_set_x_group) != 0:
for index in range(len(self.data_set_x_group)):
plt.plot(self.data_set_x_group[index],self.data_set_y_group[index])
plt.scatter(self.data_set_x_group[index],self.data_set_y_group[index])
if len(self.data_set_x) != 0:
plt.plot(self.data_set_x,self.data_set_y)
plt.scatter(self.data_set_x,self.data_set_y)
self.canvas.draw()
def update_fre(self):
#try:
# min_fre = int(self.entry1.get())
# max_fre = int(self.entry2.get())
#except:
# messagebox.showinfo("Warning","请输入整数")
#print(min_fre,max_fre,self.data_fft2_sh.shape)
#print(min_fre//self.Fs*2*2//self.Fs,max_fre//self.Fs*2*2//self.Fs)
#self.cur_img = self.data_fft2_sh[:,round(min_fre*2/self.Fs*self.ori_h):round(max_fre*2/self.Fs*self.ori_h)]
#self.update_img(self.cur_img)
pass
def update_bof(self):
try:
min_fre = int(self.entry1.get())
max_fre = int(self.entry2.get())
min_bof = int(self.entry3.get())
max_bof = int(self.entry4.get())
except:
messagebox.showinfo("Warning","请输入整数")
self.cur_img = self.data_fft2_sh[round(min_bof/np.pi/self.bof*self.ori_w):round(max_bof/np.pi/self.bof*self.ori_w),round(min_fre*2/self.Fs*self.ori_h):round(max_fre*2/self.Fs*self.ori_h)]
self.update_img(self.cur_img)
def mod_linenum(self,pos):
if self.cur_img is not None:
self.update_img(self.cur_img)
def disp_cur(self):
self.state_flag = 1
self.window2_init()
def onclick(self,event):
if self.state_flag == 1:
pass
#print('button=%d, x=%d, y=%d, xdata=%f, ydata=%f' %(event.button, event.x, event.y, event.xdata, event.ydata))
if self.state_flag == 2:
if event.xdata is not None and event.ydata is not None:
self.data_set_x.append(event.xdata)
self.data_set_y.append(event.ydata)
self.data_set.append((event.xdata,event.ydata))
self.update_img(self.cur_img)
def add_modal(self):
self.state_flag = 2
self.bt6.place_forget()
self.bt7.place(x=20,y=15)
def set_done(self):
self.state_flag = 1
self.bt7.place_forget()
self.bt6.place(x=20,y=15)
self.data_set_x_group.append(self.data_set_x)
self.data_set_y_group.append(self.data_set_y)
self.data_set_x = []
self.data_set_y = []
self.data_set_group.append(self.data_set)
self.data_set = []
self.modal_index += 1
modal_name = "模态"+str(self.modal_index)
self.modal_list.insert('end',modal_name)
def del_modal(self):
if len(self.data_set_group) == 0:
return
del_index = self.modal_list.curselection()[0]
print(del_index)
del self.data_set_x_group[del_index]
del self.data_set_y_group[del_index]
del self.data_set_group[del_index]
self.modal_list.delete(del_index)
self.update_img(self.cur_img)
def export_data(self):
if len(self.data_set_group) == 0:
messagebox.showinfo("Message","无模态输出")
return
csv_path = filedialog.asksaveasfilename(filetypes=[('CSV','csv')])
frame_list = []
for dotlist in self.data_set_group:
data = DataFrame(dotlist)
data = data
frame_list.append(data)
frame = frame_list[0]
for i in range(len(frame_list)):
if i >=1:
frame = pd.concat([frame,frame_list[i]],axis=1)
frame.to_csv (csv_path+'.csv' , encoding = "utf-8")
frame_result = pd.DataFrame(data=self.data_fft2_sh)
frame_result.to_csv(csv_path+'result'+'.csv' , encoding = "utf-8")
def reload(self):
self.window1_init()
self.load_data()
def display(self):
pass
if __name__=='__main__':
#matplotlib.use('TkAgg')
root = tk.Tk()
root.title('Draw Dispersion Curve')
root.geometry('900x600')
root.resizable(0,0)
app = App(root)
root.mainloop()