ass="sd">    Checks the format of the four area components wether it is on</span>
<span class="sd">    the order of 1000 or 1. </span>
<span class="sd">    Also checks wether area was already set on command line, </span>
<span class="sd">    then the four components are overwritten.</span>
<span class="sd">    Convert to correct format of the order of magnitude &quot;1&quot; and sets the</span>
<span class="sd">    area parameter (North/West/South/East).</span>
<span class="sd">    E.g.: -5./20./10./10.</sp