我正在使用tkinter创建一个交互式工具,并希望在pcolor的帮助下,根据经度和纬度(基于列表框中的选择进行屏蔽)映射屏蔽数据集。我想在地图旁边有一个颜色条。我们的想法是,如果单击“选择”按钮,将显示地图,如果再次单击该按钮,则会更新地图。
我试图使用matshow而不是pcolor来查看绘图是否有效。它工作,但是当我使用crs = ccrs.PlateCarree()时,我没有工作。对于更新部分,我尝试制作一个新画布。
import tkinter as tk
from tkinter import Tk, Listbox, MULTIPLE, END, Button
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from matplotlib.figure import Figure
import numpy as np
import cartopy.crs as ccrs
import cartopy.io.img_tiles as cimgt
import matplotlib.pyplot as plt
class ClassName:
def __init__(self,master):
self.master = master
canvas = tk.Canvas(master, width = 1000, height = 350) # create the canvas (tkinter module)
canvas.pack()
list = tk.Listbox(master,height=10,width=22)
list.pack(side=tk.LEFT)
for i in [2,3,4,5]:
list.insert(tk.END,i)
canvas.create_window(105,105,window=list)
select_button = tk.Button(master,text='Select variables',command=lambda: self.selection(list,master))
canvas.create_window(100,205,window= select_button)
def selection(self,list,master):
values= [list.get(idx) for idx in list.curselection()]
shape = np.random.randint(1, values[0], [5,5])
lon = np.arange(5)
lat = np.arange(5)
fig = Figure(figsize=(4,4))
a = fig.add_subplot(111)
tiler = cimgt.StamenTerrain(desired_tile_form='')
ax = plt.axes(projection=tiler.crs)
ax.set_extent((0,4,0,4),crs=ccrs.PlateCarree())
ax.add_image(tiler,10, cmap='gray')
c = ax.pcolor(lon,lat,shape,transform=ccrs.PlateCarree())
fig.colorbar(c)
canvas1 = tk.Canvas(master,width = 500, height = 400)
canvas1.pack(side=tk.LEFT)
canvas1 = FigureCanvasTkAgg(fig)
canvas1.get_tk_widget().pack(side=tk.LEFT)
canvas1.draw_idle()
canvas1.create_window(100,500,window=c)
root = Tk()
my_gui = ClassName(root)
root.mainloop()
我希望pcolor地图能够显示在它旁边的颜色条和此地图上进行更新。然而,colorbar可以保留,我不介意更新它。
我的实际结果是我得到了一堆错误而没有绘制任何内容。
我做的不同,现在彩条的绘图工作。这就是我做的。
fig = Figure(figsize=(4,4))
ax = fig.add_subplot(111)
c = ax.pcolor(lon,lat,shape)
fig.colorbar(c,ax=ax,fraction=0.046,pad=0.04)
canvas = FigureCanvasTkAgg(fig,master)
canvas.get_tk_widget().grid(row=0,column=self.clicks)