Batching Reprojection using Python （批量转投影：基于arcpy）

# Projection Convertion  &&&  Resample images to a higher resolution 
# Time: Oct.16,2017
# encoding = UTF-8

import arcpy
from arcpy import env
import os
import datetime

# Change to Target Path
arcpy.env.workspace = r"G:\2016.06.MOD\MODIS_JPG\Unzip/"
out_path = arcpy.env.workspace + '/Resample_500m_ProjectionC/'
os.mkdir(out_path)
list_file = os.listdir(arcpy.env.workspace)

# 统计文件夹下的.tif格式的文件数目
file_count = 0
for filename in list_file:
    if filename.endswith('.jpg'): file_count = file_count+1
print '共有',file_count,'景.tif影像待处理'

count = 0
start_time = datetime.datetime.now()
# 查找文件夹下的.tif格式的文件
for filename in list_file:
    if filename.endswith('.jpg'):
        start_single_time = datetime.datetime.now()
        os.chdir(arcpy.env.workspace)
        file_name = filename[:-4]
        os.chdir(out_path)
        file_Covname = out_path + file_name + '_Resample_ProjectionC.tif'
        # 3573为 'WGS_1984_North_Pole_LAEA_Canada'投影方式的EPSG代号
        arcpy.ProjectRaster_management(filename, file_Covname, "3573",\
                                   "BILINEAR", "500")
        end_single_time = datetime.datetime.now()
        time = (end_single_time - start_single_time).seconds
        print '第',count+1,'景影像重采样完毕，耗时',time,'s'  
        count = count + 1
        if count == file_count : print '\n全部影像重采样完毕'
end_time = datetime.datetime.now()
time = (end_time - start_time).seconds
m = int(time)/60
s = int(time)%60
print '处理总耗时',m,'m',s,'s'