geometries.py 文件源码

def wkb(self):
        "Returns the WKB representation of the Geometry."
        if sys.byteorder == 'little':
            byteorder = 1  # wkbNDR (from ogr_core.h)
        else:
            byteorder = 0  # wkbXDR
        sz = self.wkb_size
        # Creating the unsigned character buffer, and passing it in by reference.
        buf = (c_ubyte * sz)()
        capi.to_wkb(self.ptr, byteorder, byref(buf))
        # Returning a buffer of the string at the pointer.
        return six.memoryview(string_at(buf, sz))