创建几何从WKB

 from osgeo import ogr
from base64 import b64decode

wkb = b64decode("AIAAAAFBMkfmVwo9cUEjylouFHrhAAAAAAAAAAA=")
point = ogr.CreateGeometryFromWkb(wkb)
print "%d,%d" % (point.GetX(), point.GetY())