optTile.py 文件源码

def __call__(self):
        if self.maxID < 2**16:
            dtype = 'uint16' #UNSIGNED_ITEM_TYPES[2] #UNSIGNED_2_BYTE_INT
            DTYPE = '\x00'
        else:
            dtype = 'uint32' #UNSIGNED_ITEM_TYPES[4] #UNSIGNED_4_BYTE_INT
            DTYPE = '\x01'
        a = self.intRaster.astype(dtype)
        #return SYSTEM_BYTEORDER+DTYPE+zlib.compress(a.tostring())
        return SYSTEM_BYTEORDER+DTYPE+zlib.compress(numpy.getbuffer(a))