<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:10pt"><div><span>Hi there all! Greetings from a happy Grass-root GISser on an Archlinux box...<br></span></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: arial,helvetica,sans-serif; background-color: transparent; font-style: normal;"><span>Is there already a way to analyze the new Landsat 8 images (they are already available!)?</span></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: arial,helvetica,sans-serif; background-color: transparent; font-style: normal;"><span>We are in particularly interested in the Normalized Standardized Vegetation Index (NDVI). We noticed a shift in wavelength range that is best depicted here: <br></span></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: arial,helvetica,sans-serif; background-color: transparent; font-style:
normal;"><span>http://www.gisagmaps.com/landsat-8-about-refinements/</span></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: arial,helvetica,sans-serif; background-color: transparent; font-style: normal;"><span>Doing the well-known raster map calculation with the bands 5 (NIR) and 4 (R) of L-8 doesn't give a satisfying result. Very bluntly we subtracted 0.12 from the 'ndvi' raster derived from L-8. Without doubr there must be more elegant and correct solutions. Any ideas are very welcome</span></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: arial,helvetica,sans-serif; background-color: transparent; font-style: normal;"><br><span></span></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: arial,helvetica,sans-serif; background-color: transparent; font-style: normal;"><span>Cheers,<br></span></div><div> </div><div><hr style="width:100%;height:2px;"><font class="Apple-style-span"
face="arial, helvetica, sans-serif" size="2">Huub Munstege<br>BPE 2836<br><span style="font-weight:bold;">Bamako</span><span style="font-weight:bold;">, Rep. du Mali</span><br>Tel: +223 20226397<br>Port: +223 78370695 </font><br><hr style="width:100%;height:2px;"></div></div></body></html>