<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1433383363645_22198">Dear Markus,</div><div id="yui_3_16_0_1_1433383363645_19727"><br></div><div id="yui_3_16_0_1_1433383363645_21504">Thank you for taking time to address my queries. My apologies but new as I am to handling high-resolution images (I started with ArcGIS), I am even more of an ignoramus in python. Well perhaps I need to learn programming in the long run but this task is somewhat pressing.<br></div><div id="yui_3_16_0_1_1433383363645_26248"><br></div><div id="yui_3_16_0_1_1433383363645_26249">How do I get the filter curves for the two sensors and where?<br></div><div id="yui_3_16_0_1_1433383363645_26919"><br></div><div id="yui_3_16_0_1_1433383363645_21506"><br></div><div dir="ltr" id="yui_3_16_0_1_1433383363645_19728"> Hello. I'm quite new with GRASS but I need to atmospherically process<br style="" class="" clear="none">> high-resolution imagery with i.atcorr. I have three images Quickbird,<br style="" class="" clear="none">> GeoEye-1 and Worldview-3 imagery of a single scene across three time<br style="" class="" clear="none">> periods. For Quickbird, I have all the data needed but basing from the<br style="" class="" clear="none">> following manual GRASS GIS manual: i.atcorr<br style="" class="" clear="none">> there appears to be no values for two required inputs for GeoEye-1 and<br style="" class="" clear="none">> Worldview-3.<br style="" class="" clear="none"><br style="" class="" clear="none">Yes, at time only Quickbird but not GeoEye-1 and Worldview-3 are supported.<br style="" class="" clear="none"><br style="" class="" clear="none">> These are geometrical conditions and band. May I know if GRASS<br style="" class="" clear="none">> has updated the i.atcorr manual to include these sensors as well? Can I use<br style="" class="" clear="none">> the values of Worldview-2 for Worldview-3? Or is there any other way to do<br style="" class="" clear="none">> the atmospheric correction for these two sensors?<br style="" class="" clear="none"><br style="" class="" clear="none">We would be happy to add support for these sensors. We need the<br style="" class="" clear="none">spectral filter curves for that, in order to integrate them in <br style="" class="" clear="none"><br style="" class="" clear="none">The procedure is explained here:<br style="" class="" clear="none"><a style="" class="" id="yui_3_16_0_1_1433383363645_19745" shape="rect" href="https://trac.osgeo.org/grass/browser/grass/branches/releasebranch_7_0/imagery/i.atcorr/README" target="_blank">https://trac.osgeo.org/grass/browser/grass/branches/releasebranch_7_0/imagery/i.atcorr/README</a><br style="" class="" clear="none"><br style="" class="" clear="none">I can do this integration but I would need to get the filter curves of<br style="" class="" clear="none">GeoEye-1 and Worldview-3 for that (no time to search myself).</div><div id="yui_3_16_0_1_1433383363645_19722"><span></span></div><br><div id="yui_3_16_0_1_1433383363645_19743"><div id="yui_3_16_0_1_1433383363645_19742">
<br></div></div> <br><div class="qtdSeparateBR"><br><br></div><div style="display: block;" class="yahoo_quoted"> <div style="font-family: HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir="ltr"> <font face="Arial" size="2"> On Wednesday, June 3, 2015 9:06 PM, Markus Neteler <neteler@osgeo.org> wrote:<br> </font> </div> <br><br> <div class="y_msg_container">On Wed, Jun 3, 2015 at 6:56 AM, Kamhul Camhol <<a shape="rect" ymailto="mailto:monk_purple@yahoo.com" href="mailto:monk_purple@yahoo.com">monk_purple@yahoo.com</a>> wrote:<br clear="none">> Hello. I'm quite new with GRASS but I need to atmospherically process<br clear="none">> high-resolution imagery with i.atcorr. I have three images Quickbird,<br clear="none">> GeoEye-1 and Worldview-3 imagery of a single scene across three time<br clear="none">> periods. For Quickbird, I have all the data needed but basing from the<br clear="none">> following manual GRASS GIS manual: i.atcorr<br clear="none">> there appears to be no values for two required inputs for GeoEye-1 and<br clear="none">> Worldview-3.<br clear="none"><br clear="none">Yes, at time only Quickbird but not GeoEye-1 and Worldview-3 are supported.<br clear="none"><br clear="none">> These are geometrical conditions and band. May I know if GRASS<br clear="none">> has updated the i.atcorr manual to include these sensors as well? Can I use<br clear="none">> the values of Worldview-2 for Worldview-3? Or is there any other way to do<br clear="none">> the atmospheric correction for these two sensors?<br clear="none"><br clear="none">We would be happy to add support for these sensors. We need the<br clear="none">spectral filter curves for that, in order to integrate them in<div class="yqt2307099426" id="yqtfd34063"><br clear="none">i.atcorr.</div><br clear="none"><br clear="none">The procedure is explained here:<br clear="none"><a shape="rect" href="https://trac.osgeo.org/grass/browser/grass/branches/releasebranch_7_0/imagery/i.atcorr/README" target="_blank">https://trac.osgeo.org/grass/browser/grass/branches/releasebranch_7_0/imagery/i.atcorr/README</a><br clear="none"><br clear="none">I can do this integration but I would need to get the filter curves of<br clear="none">GeoEye-1 and Worldview-3 for that (no time to search myself).<br clear="none"><br clear="none">Best<br clear="none">Markus<div class="yqt2307099426" id="yqtfd38350"><br clear="none"></div><br><br></div> </div> </div> </div></div></body></html>