<div dir="ltr"><div>Dear all,</div><div><div class="gmail-postcell gmail-post-layout--right">

    
    <div class="gmail-s-prose gmail-js-post-body">
                
<p>I work with Qgis 3.4.
>From a landsat 5 image i would like to perform MSAVI index vegetation.</p><img src="cid:ii_mkpq44iw0" alt="image.png" width="488" height="304"></div><div class="gmail-s-prose gmail-js-post-body">When i try to do that with Qgis (raster calculation), my output has mainly no data values and the valid pixels are not between -1 and 1.</div><div class="gmail-s-prose gmail-js-post-body"><br></div><div class="gmail-s-prose gmail-js-post-body"><img src="cid:ii_mkpq4vuj1" alt="image.png" width="488" height="166"><br><br></div><div class="gmail-s-prose gmail-js-post-body">
Please find below the output with Qgis : </div><div class="gmail-s-prose gmail-js-post-body"><br></div><div class="gmail-s-prose gmail-js-post-body"><img src="cid:ii_mkpq5f1u2" alt="image.png" width="488" height="304"><br><img src="cid:ii_mkpq5mx03" alt="image.png" width="280" height="200"><br></div><div class="gmail-s-prose gmail-js-post-body">Thanks so much</div><div class="gmail-s-prose gmail-js-post-body"><br></div><div class="gmail-s-prose gmail-js-post-body"><br></div><div class="gmail-s-prose gmail-js-post-body"><br></div><div class="gmail-s-prose gmail-js-post-body"><br><p><br></p></div></div>

<br></div></div>