Returns an expanded geometry region (or shrunken, if the buffer distance is negative) of the supplied geometry, called a buffer, using the supplied distance and resolution. If the supplied geometry contains holes, then a positive-distance buffer will extend into those holes.
The following table lists the request and response messages for the buffer operation.
Click on a message name to get more information about the message.
If you do not parse out these elements, a polygon will be displayed that looks like this:
Once parsed, the polygon should look like this: