from file_util import *
from db_util import getDiffEwkt
from img_util import savePng
import re


# 1.获取tif路径
allPathList = getAllFiles('img/DDOM')

for filePath in allPathList:

    # filePath='img/DDOM/6401812024073108270308DDOM.tif'
    print('tif路径：'+filePath)

    # 2.获取tif的边界矢量范围
    ewkt = getTifEwkt(filePath)
    # 3.tif边界-变化矢量（生成图片的黑色部分）
    match = re.search(r'/DDOM/(.*)DDOM\.tif', filePath)
    code= match.group(1) if match else ''
    ewkt=getDiffEwkt(code,ewkt)
    # 4.生成变化的图片
    savePng(code+"_CHANGE",ewkt)