def selectRaster():
raster = tkFileDialog.askopenfilename(filetypes = [('tif影像', '.tif'),('all files', '.*')]) #弹出选择TIF对话框
rasterpathvar.set(raster)
def selectFeature():
feature = tkFileDialog.askopenfilename(filetypes=[("shapefile",".shp"),('all files', '.*')]) #弹出选择.shp对话框
featurepathvar.set(feature)
ClipArea = featurepathvar.get()
def selectOutpath():
outdir = tkFileDialog.askdirectory() #弹出选择文件夹对话框
outpathvar.set(outdir)
root4 = Tk() #创建框体
root4.title('批量裁剪影像') #框体标题
rasterpathvar = StringVar()
featurepathvar = StringVar()
outpathvar = StringVar()
typevar = StringVar()
buffervar = StringVar()
fieldvar = StringVar()
buffervar.set(0)
Label(root4,text = "选择栅格:").grid(row = 0, column = 0) #设置文本显示
Label(root4,text = "选择裁剪图层(.shp):").grid(row = 1, column = 0)
Label(root4,text = "裁图字段:").grid(row = 3, column = 0)
Label(root4,text = "外扩距离:").grid(row = 4, column = 0)
Label(root4,text = "裁图方法:").grid(row = 4, column = 0)
Label(root4,text = "选择输出文件夹:").grid(row = 2, column = 0)
Button(root4, text = "浏览", command = selectRaster).grid(row = 0, column = 2) #按钮设置
Button(root4, text = "浏览", command = selectFeature).grid(row = 1, column = 2)
Button(root4, text = "浏览", command = selectOutpath).grid(row = 2, column = 2)
comboxlist = ttk.Combobox(root4,textvariable=typevar) #下拉框选择设置
comboxlist["values"] = ("使用输入要素外接矩形裁剪","使用输入要素形状裁剪") #下拉框内容设置
comboxlist["state"] = "readonly" #设置下拉框值是否可以编辑
comboxlist.grid(row = 5, column = 1) #设置下拉框位置
comboxlist.current(0) #设置下拉框默认值为元组第一个值
Entry(root4, textvariable = rasterpathvar).grid(row = 0, column = 1) #设置输入框，值为选择TIF的路径
Entry(root4, textvariable = featurepathvar).grid(row = 1, column = 1) #这只输入框，值为选择裁切要素的路径
Entry(root4, textvariable = fieldvar).grid(row = 3, column = 1) #设置输入框，值为输入要素的字段
entry1 = Entry(root4, textvariable = buffervar).grid(row = 4, column = 1) # 设置输入框，值为输入缓冲距离
Entry(root4, textvariable = outpathvar).grid(row = 2, column = 1) # 设置输入框，值为输出文件夹路径
Button(root4, text = "开始",command = ClipRaster).grid(row = 6, column = 2) # 设置按钮，运行ClipRaster函数
root4.mainloop()
