<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">The request by Dennis will help clarify answers, but given the comment on your read in line I would imagine the below to work. <div class=""><span style="font-size: 12.8px;" class=""><br class=""></span></div><div class=""><span style="font-size: 12.8px;" class="">pa = 50000 ; <span class="Apple-tab-span" style="white-space:pre"> </span>lv_ISBL0 are typically in Pascals check the output of ncl_filedump to make sure though. </span></div><div class=""><br class=""></div><div class=""><span style="font-size: 12.8px;" class="">v = f-> VGRD_P0_L100_GLL0({pa},:,:)</span><div class=""><br class=""></div><div class="">Documentation here, as well as the reference manual in general. </div><div class=""><a href="http://www.ncl.ucar.edu/Document/Language/subscript_coord.shtml" class="">http://www.ncl.ucar.edu/Document/Language/subscript_coord.shtml</a></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 8 Jun 2016, at 23:43, Dennis Shea <<a href="mailto:shea@ucar.edu" class="">shea@ucar.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class=""><div class="">What does<br class=""><br class=""></div>%> ncl_filedump 2900.grb2<br class=""><br class=""></div>return<br class=""></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Wed, Jun 8, 2016 at 8:42 PM, Miriam Teresita Llanes Monteagudo <span dir="ltr" class=""><<a href="mailto:miriam.llanes64@gmail.com" target="_blank" class="">miriam.llanes64@gmail.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class=""><div class=""><span style="font-size:12.8px" class="">Hello</span><br class=""></div><div dir="ltr" style="font-size:12.8px" class=""><div class="">To open a file .grb2 I use the following command</div><div class=""><br class=""></div><div class="">f = AddFile ("2900.grb2", "r")</div><div class=""><br class=""></div><div class="">v = f-> VGRD_P0_L100_GLL0 ; [lv_ISBL0 | 26] x [lat_0 | 361] x [lon_0 | 720]</div><div class=""><br class=""></div><div class="">Thus it opens me to all vertical levels, longitudes and latitudes, but I dont know how to open it only to a specific level, as well as the latitude and longitude. I need to know how I open only the level of 50000 Pa, in a given space</div><div class=""><br class=""></div><div class="">Thank you very much</div></div></div>
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