<div dir="ltr"><div dir="ltr">Climate Data Operator (CDO):<div><a href="https://code.mpimet.mpg.de/projects/cdo/">https://code.mpimet.mpg.de/projects/cdo/</a></div><div><br><div><span style="font-family:monospace"><span style="font-weight:bold;color:rgb(255,84,84)">cdo</span><span style="color:rgb(0,0,0)"> sellonlatbox,-180,180,-90,90 input.grib output.grib</span><br></span></div></div><div><span style="font-family:monospace"><span style="color:rgb(0,0,0)"><br></span></span></div><div><span style="font-family:monospace"><span style="color:rgb(0,0,0)">Regards</span></span></div><div><span style="font-family:monospace"><span style="color:rgb(0,0,0)">Saber</span></span></div></div></div><br><div class="gmail_quote"><div dir="ltr">On Thu, 20 Dec 2018 at 13:00, Lee Eddington <<a href="mailto:lee.w.eddington@gmail.com">lee.w.eddington@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 style="overflow-wrap: break-word;">Can you point me to the external tools?<div><br></div><div>Thanks,</div><div>Lee</div><div><br><div><br><blockquote type="cite"><div>On Dec 20, 2018, at 12:46 AM, Saber Razmjooei <<a href="mailto:saber.razmjooei@lutraconsulting.co.uk" target="_blank">saber.razmjooei@lutraconsulting.co.uk</a>> wrote:</div><br class="gmail-m_-5333663864812726849Apple-interchange-newline"><div><div dir="ltr"><div dir="ltr">This is a known issue and can be fixed with some external tools. <div>I have filed a bug:</div><div><a href="https://issues.qgis.org/issues/20853" target="_blank">https://issues.qgis.org/issues/20853</a><br></div><div>And hopefully get around to fix it in 3.6</div><div><br></div><div>Regards</div><div>Saber</div></div></div><br><div class="gmail_quote"><div dir="ltr">On Thu, 20 Dec 2018 at 01:44, Lee Eddington <<a href="mailto:lee.w.eddington@gmail.com" target="_blank">lee.w.eddington@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">I’m pretty new to QGIS and am trying to figure out how to modify longitude values of layers. I was able to add a raster layer in GRIB2 format (NCEP global meteorological data). The longitude values range from 0 to 360 degrees. I’m able to view and do calculations on the data with no problem. I also added shaded relief and coastline data from Natural Earth. This data has longitude values from -180 to 180 degrees. So from -180 to 0 degrees I only see the Natural Earth data, from 0 to 180 degrees I see both datasets and from 180 to 360 degrees I only see the GRIB2 data. I want both datasets to be referenced the same with regards to longitude (-180 to 180, 0 to 360 or whatever). It seems like this should be a fairly easy problem to fix by either adding 180 degrees to longitudes from the Natural Earth data or subtracting 180 from the GRIB2 longitudes, but I can’t figure out how to do it.<br>
<br>
I’m using QGIS version 3.4.1-Madeira. The CRS I’m working in is what QGIS put the GRIB2 data into when I added it: * Generated CRS (+proj=longlat +a=6371229 +b=6371229 +no_defs)<br>
<br>
Thanks,<br>
Lee<br>
<br>
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</div></blockquote></div><br></div></div></blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Saber Razmjooei<br></div><div><a href="http://www.lutraconsulting.co.uk" target="_blank">www.lutraconsulting.co.uk</a><br><span>+44 (0)7568 129733</span><br></div></div></div></div></div></div></div></div></div></div>