<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Aug 2, 2012, at 12:29 PM, Matt Alonso wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hi All,<br><br>I recently upgraded my RHEL5 binaries to grads 2.0.1 from 2.0.a7.1 and upon doing so I started getting the following error message when attempting to plot vectors using the orthographic projection:<br><br>Error: vector/barb not compatible with current map projection<br>
<br>I did see the entry in the Changelog talking about vectors: "Disabled erroneous vector/barb drawing in some projections (mollweide, orthographic, and robinson)". However, I interpreted that as saying that some erroneous vectors were showing up in those projects but that the issue had been resolved.</blockquote>No.<br><blockquote type="cite"> Did that entry actually mean that vectors are no longer being drawn for those projections?<br></blockquote>Yes. </div><div>While working on the streamline code, Brian discovered that the transformation of vector angles when drawing on some map projections always assumed that the lat/lon lines cross at right angles. Projections for which this is not the case were disabled. </div><div>--Jennifer</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br><blockquote type="cite">
<br>I put the session output below which includes the commands I ran that reproduce the issue. The data set I was using for these plots is the GFS model data from <a href="ftp://ftpprd.ncep.noaa.gov/pub/data/nccf/com/gfs/prod/gfs.2012080212/">ftp://ftpprd.ncep.noaa.gov/pub/data/nccf/com/gfs/prod/gfs.2012080212/</a>.<br>
<br>ga-> set mproj ortho<br>ga-> set lat -90 90<br>LAT set to -90 90<br>ga-> set lon 55 235<br>LON set to 55 235<br>ga-> set gxout vector<br>ga-> set t 2<br>Time values set: 2012:8:2:6 2012:8:2:6<br>ga-> d u10m;v10m<br>
Error: vector/barb not compatible with current map projection<br><br>Sorry if I am missing something obvious. Thanks in advance. <br>
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<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>--</div><div>Jennifer M. Adams</div><div>IGES/COLA</div><div>4041 Powder Mill Road, Suite 302</div><div>Calverton, MD 20705</div><div><a href="mailto:jma@cola.iges.org">jma@cola.iges.org</a></div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span></span></span>
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