 saved in advance from MODIStsp GUI </span></span>
<span><span class="co"># Here we use a test json file saved in MODIStsp installation folder which</span></span>
<span><span class="co"># downloads and processed 3 MOD13A2 images over the Como Lake (Lombardy, Italy)</span></span>
<span><span class="co"># and retrieves NDVI and EVI data, plus the Usefulness Index Quality Indicator.</span></span>
<span></span>
<span><span class="va">opts_file</span> <span class="op">&lt;-</span> <span class="fu"><a href="https