修改tilecache1.0实现客户端切图

本文链接：https://blog.csdn.net/forgetive/article/details/8168426

1.为什么要编写此脚本

由于自带的tilecache_seed.py出现问题，运行就报错误，结合它的Client.py及Service.py和Layer.py的代码，编写了一个简单的脚本，用来实现tilecache_seed.py的功能。

2.脚本代码如下：

#!/usr/bin/python

"""
引入服务类
"""

import TileCache.Service
import time,math,sys
"""
从tilecache的layer包引入tile类
"""
from TileCache.Layer import Tile

def main ():

    cfgfile=sys.argv[1]
   layername=sys.argv[2]
   zoom=sys.argv[3]
   zooms=zoom.split(",")
   if len(sys.argv) == 4:
       s=TileCache.Service.load(cfgfile)
       basic=s.layers[layername]
       for z in range(int(zooms[0]),int(zooms[1]),1):
           bottomleft=basic.getClosestCell(z,basic.bbox[0:2])
           topright=basic.getClosestCell(z,basic.bbox[2:4])
           print 'bottomleft='+str(bottomleft)+"\n\ttopright="+str(topright)
           zcount=0
           metaSize=basic.getMetaSize(z)
           ztiles=int(math.ceil(float(topright[1]-bottomleft[1])/metaSize[0])*math.ceil(float(topright[0]-bottomleft[0])/metaSize[1]))
           for y in range(bottomleft[1],topright[1],metaSize[1]):
               for x in range(bottomleft[0],topright[0],metaSize[0]):
                   tileStart=time.time()
                   tile=Tile(basic,x,y,z)
                   s.renderTile(tile)
                   zcount+=1
                   print '\n\tx='+str(x)+'\n\ty='+str(y)+'\n\tz='+str(z)+'run time='+str((time.time()-tileStart))
   else:
       print 'please input arguments examples:\n\tpython client_seed.py /etc/tilecache.cfg basic 5,6\n\tthis is seed 5 to 6 photo!\n\t'

if __name__ == '__main__':
    main()