 <a href="https://urs.earthdata.nasa.gov/profile" class="external-link">https://urs.earthdata.nasa.gov/profile</a>;</p></li>
<li><p><strong>offline</strong>: this option allows to process/reprocess
HDF files already available on the user’s PC without downloading from
NASA – useful if the user already has an archive of HDF images, or to
reprocess data already downloaded via <code><a href="../reference/MODIStsp.html">MODIStsp()</a></code> to create
time series for an additional layer (<em>it is fundamenta