<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hi markus,<div><br></div><div>Thank you very much for your reply (here and on stackexchange!).</div><div><br></div><div>I've taken a look at the links you provided but unfortunately don't think I'm the woman for the job as I don't really understand the instructions for adding a new sensor!</div><div><br></div><div>I would be extremely grateful if we do find a volunteer to help us add Landsat8, particularly as the images provided by Landsat7 in my study area are not very good quality and those from L8 are fantastic!</div><div><br></div><div>I'll be in touch if I find anyone fit for the job!</div><div><br></div><div>Many thanks for your help,</div><div><br></div><div>Charlie</div><div><br><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; ">Charlotte 夏琳 Whitham<br>PhD Candidate<br><div><div>Beijing Forestry University<br><i><br></i></div><div><i>Address</i>: Mailbox no.159, College of Nature Conservation<br>C/O Dr. SHI Kun, Director of the Wildlife Institute, Beijing Forestry University<br>35, Tsinghua-East Road,<br>Beijing 100083<br>China<br><i>Website:<span class="Apple-converted-space"> </span></i><a href="http://wi.bjfu.edu.cn/en">http://wi.bjfu.edu.cn/en</a><br><br></div></div></span>
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<br><div><div>On 8 Dec 2013, at 21:41, Markus Neteler <<a href="mailto:neteler@osgeo.org">neteler@osgeo.org</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">On Fri, Dec 6, 2013 at 4:14 PM, Charlotte Whitham<br><<a href="mailto:charlotte.whitham@gmail.com">charlotte.whitham@gmail.com</a>> wrote:<br><blockquote type="cite">Dear mailing list,<br><br>Apologies I am a new user with GRASS and have searched everywhere online for<br>help with this but to no avail...<br></blockquote><br>You are most welcome here!<br><br><blockquote type="cite">I'm trying to run the i.atcorr module on GRASS (version 6.4.3 on a Macbook<br>Pro, Mavericks OSX) with Landsat8 imagery.<br><br>Parameters didn't seem to be loading from the provided metadata file<br>(MTL_txt) (basically what happened is that when the code was executed it<br>wasn't picking up any of the parameters from the text file), so I went back<br>to the GRASS manuals and tried to input values by hand, here is what I used:<br><br>8 = geometrical conditions=Landsat ETM+<br></blockquote><br>The problem is that Landsat8 isn't yet supported in i.atcorr, it needs<br>to be added following<br><a href="http://grasswiki.osgeo.org/wiki/Atmospheric_correction#How_to_add_new_sensors_to_i.atcorr">http://grasswiki.osgeo.org/wiki/Atmospheric_correction#How_to_add_new_sensors_to_i.atcorr</a><br><br>Background: the band numbering has changed with respect to Lsat7,<br>hence using the ETM+ definitions will just fail, also due to other<br>differences. See for example<br>http://landsat.usgs.gov/band_designations_landsat_satellites.php<br><br>Essentially we need a volunteer to add Lsat8 as a new sensor.<br><br>Markus<br></blockquote></div><br></div></body></html>