<div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-size:small">William,</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">My system (Ubuntu 20.04.1 LTS) using universe/science version of </div><div class="gmail_default" style="font-size:small">GrADS has the same error but includes an additional error message.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">ga-> d ugrd10m</div><b>g2_unpack7: Data Representation Template 5.40 not yet implemented.</b><br>g2_getfld: return from g2_unpack7 = 4 <br>GRIB2 I/O Error: g2_getfld failed, ierr=14<br>Data Request Error: Error for variable 'ugrd10m'<br> Error ocurred at column 1<br>DISPLAY error: Invalid expression <br> Expression = ugrd10m<br>ga-> <br><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">The version of GrADS doesn't support template 5.40 which is jpeg2000 compression. The rap</div><div class="gmail_default" style="font-size:small">file that I downloaded from <a href="http://nomads.ncep.noaa.gov">nomads.ncep.noaa.gov</a> uses jepg2000, so GrADS could not</div><div class="gmail_default" style="font-size:small">decode the grid. </div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">Short term solution: I used wgrib2 to convert the file from jpeg2000 to complex-3 compression, and</div><div class="gmail_default" style="font-size:small">used GrADS on the new file.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small"> $ wgrib2 IN.grb -set_grib_type c3 -grib_out OUT.grb</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">Long term solution: GrADS uses the g2clib for reading grib. Newer versions of g2clib have</div><div class="gmail_default" style="font-size:small">the option of using OpenJPEG instead of Jasper for handling jpeg2000. So it is possible</div><div class="gmail_default" style="font-size:small">to build GrADS with a better supported jpeg2000 library. BTW wgrib2 v3.0.1+ has support</div><div class="gmail_default" style="font-size:small">for either the Jasper or OpenJPEG libraries.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">Wesley</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Mar 25, 2022 at 2:24 PM Jeff Duda <<a href="mailto:jeffduda319@gmail.com">jeffduda319@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>WIlliam,</div><div>You are correct that we will need more information to help with this.</div><div><br></div><div>Please send the contents of your control file as well as output from wgrib2 on the data file.</div><div><br></div><div>Also, what is your source for the RAP data files?</div><div><br></div><div>Jeff Duda<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Mar 24, 2022 at 9:36 PM William Rasch - NOAA Federal <<a href="mailto:william.rasch@noaa.gov" target="_blank">william.rasch@noaa.gov</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi,<div><br></div><div>I'm getting all kinds of errors trying to simply plot ugrd (any level) of the RAP model. I've seen some discussion about this but nothing I'm doing seems to be working....</div><div><br></div><div>The process I'm using is cat (bunch of grib2 RAP files) > rap.master</div><div>g2ctl rap.master > rap.master.ctl</div><div>gribmap -i rap.master.ctl</div><div><br></div><div>I realize I may not be sharing nearly enough information for this, but just spit balling if anyone has had RAP issues. Thanks so much...here is the error...</div><div><br></div><div><br></div><div>g2_getfld: return from g2_unpack7 = 4<br>GRIB2 I/O Error: g2_getfld failed, ierr=14<br>Data Request Error: Error for variable 'ugrd10m'<br>Operation Error: Error from mag function<br> Error ocurred at column 1<br>DEFINE error: Invalid expression.<br>ugrd10m vgrd10m<br>x1 isss 143.002 505.333 85.3913 309.533<br>g2_getfld: return from g2_unpack7 = 4<br>GRIB2 I/O Error: g2_getfld failed, ierr=14<br>Data Request Error: Error for variable 'ugrd10m'<br>Operation Error: Error from mag function<br> Error ocurred at column 9<br>DEFINE error: Invalid expression.<br>g2_getfld: return from g2_unpack7 = 4<br>GRIB2 I/O Error: g2_getfld failed, ierr=14<br>Data Request Error: Error for variable 'ugrd10m'<br>Operation Error: Error from maskout function<br>Operation Error: Error from maskout function<br> Error ocurred at column 1<br>DEFINE error: Invalid expression.<br>Syntax Error: Invalid Operand<br> 'xmag' not a variable or function name<br>Operation Error: Error from maskout function<br>Operation Error: Error from maskout function<br> Error ocurred at column 1<br>DEFINE error: Invalid expression.<br>SET error: Missing or invalid arguments for ARRSCL option<br>Syntax Error: Invalid Operand<br> 'ugrd' not a variable or function name<br>Operation Error: Error from skip function<br> Error ocurred at column 1<br>DISPLAY error: Invalid expression<br> Expression = skip(ugrd,10,10)<br>g2_getfld: return from g2_unpack7 = 4<br>GRIB2 I/O Error: g2_getfld failed, ierr=14<br>Data Request Error: Error for variable 'ugrd10m'<br>Operation Error: Error from maskout function<br> Error ocurred at column 1<br>DEFINE error: Invalid expression.<br>Syntax Error: Invalid Operand<br> 'xmag' not a variable or function name<br>Operation Error: Error from maskout function<br> Error ocurred at column 1<br>DEFINE error: Invalid expression.<br>Syntax Error: Invalid Operand<br> 'ugrd' not a variable or function name<br>Operation Error: Error from skip function<br> Error ocurred at column 1<br>DISPLAY error: Invalid expression<br> Expression = skip(ugrd,10,10)<br></div><div><br clear="all"><div><br></div>-- <br><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><br></div><div>William Rasch<div>Science and Operations Officer</div><div>Weather Forecast Office</div><div>Sacramento, CA</div></div></div></div></div></div></div></div>
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</blockquote></div><br clear="all"><br>-- <br><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><font size="2"><span>Jeff Duda, Research Scientist</span></font></div><div dir="ltr"><font size="2"><span></span></font>University of Colorado Boulder</div><div dir="ltr"><font size="2"><span></span></font>Cooperative Institute for Research in Environmental Sciences</div><div dir="ltr">NOAA/OAR/ESRL/Global Systems Laboratory<br><font size="2"><span>
<span>Boulder, CO<br></span></span></font>
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