Title: Help figuring out how to code/map xml document

Hey all,
  First off, sorry for all the posts that I have been doing, but I am under a deadline and need answers badly.  I have a xml document (that I will post below) that has been given to me that I need to parse.  The document seems to be pretty complicated to me.  I am just getting confused as I get deeper in the doc and was wondering if someone could give me a decent description of how I should code this out.  I have bolded the parts that confuse me and give my question next to it.  Here is the xml document:

<MDADocument>
    <defenseDesignDocument>
            <location type="absolute">                        - does this need to be a new class
                        <centroidPosition>
                                <latitude units="degrees">36.1902</latitude>        - do each of these need to be classes (what is throwing me off is the            

                                <longitude units="degrees">47.424</longitude>        fact that it is the "latitude units" and then the degree amount)

                        </centroidPosition>
                        <shape>
                              <polygon>
                                   <points>
                                        <position>
                                             <latitude units="degrees">36.157</latitude>             -how would the mapping file look based on these?

                                             <longitude units="degrees">47.1334</longitude>
                                             <sequenceNumber>1</sequenceNumber>             -I'm used to seeing the fields like this line, not the lat/lon fields

                                        </position>
                                        <position>
                                               <latitude units="degrees">35.8809</latitude>
                                               <longitude units="degrees">47.3325</longitude>
                                               <sequenceNumber>2</sequenceNumber>
                                        </position>
                                        <position>
                                              <latitude units="degrees">35.5345</latitude>
                                              <longitude units="degrees">47.7023</longitude>
                                              <sequenceNumber>3</sequenceNumber>
                                        </position>
                                    </points>
                                </polygon>
                      </shape>
            </location>
    </defenseDesignDocument>
</MDADocument>


If this is too vague, then let me know and I will try to elaborate.
Thanks,

Jason

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