<div dir="ltr"><div>Dear NCL Community,<br><br></div>This is a re-post of my previous question, regarding distortions appear when merging multiple modis hdf files into a single plot. <br clear="all"><div><div><div>I am using NCL 6.4.0 and data used from Modis Cloud Products(06_L2)</div><div><br></div><div>I have uploaded few of data to the ftp (<a href="http://ftp.cgd.ucar.edu" target="_blank">ftp.cgd.ucar.edu</a>), file names are <br></div><div>xMOD06_L2.A2011349.0550.006.2015056134430.hdf</div><div>xMOD06_L2.A2011349.0730.006.2015056133545.hdf</div><div>xMOD06_L2.A2011349.0735.006.2015056132747.hdf</div><div><br></div><div>NCL code, <br></div><div><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>begin<br><br>;::::::::::::::::::::::::::::::::::<br>fils=systemfunc("ls ./xMOD06_L2*.hdf")<br>f=addfiles(fils,"r")<br>;::::::::::::::::::::::::::::::::::<br><br>ListSetType(f,"cat")<br>cl = f[:]->Cloud_Top_Pressure<br><br>;::::::::::::::::::::::::::::::::::<br><br>printVarSummary(cl)<br><br>cl@lat2d = f[:]->Latitude<br>cl@lon2d = f[:]->Longitude <br><br>wks=gsn_open_wks("png","1_modis_ctp_349") <br>;:::::::::::::::::::::::::::::::::::::::::::<br><br>res=True ; plot mods desired<br>res@gsnMaximize =True ; make plot large<br>res@cnLinesOn =False ; turn off contour lines<br>;res@cnLineLabelsOn =True ; turn off contour line labels<br>res@gsnSpreadColors =True ; use the entire color spectrum<br>res@cnFillOn =True ; enable contour fill<br>res@gsnMaximize =True ; make plot large<br>res@mpGeophysicalLineThicknessF= 2. ; double the thickness of geophysical boundaries<br>res@cnMissingValFillPattern = 0<br>res@cnFillMode = "RasterFill"<br><br>;::::::ZOOM:::::::::::;<br>res@mpMinLatF = 20<br>res@mpMaxLatF = 32<br>res@mpMinLonF = 68<br>res@mpMaxLonF = 95<br><br>;:::::::::::::Title&Plotting::::::::::::::::<br> res@tiMainString="Cloud Top Pressure" ; create title<br> plot=gsn_csm_contour_map_ce(wks,cl,res) ; plot on world map first<br> delete(res@tiMainString) ; delete title for subsequent plots<br><br>;:::::::::::::Clean up resources used:::::::::::::::::::::<br> delete(plot) <br> delete(wks)<br> delete(res)<br>end<br></div></blockquote><div> </div><div>Individually each file plotted properly, but when it get merged, distortions or clippings occurred. <br></div><div><br></div><div>As per Rick Brownrigg's suggestion, res@cnFillMode = "RasterFill" added, but could not get any better. Thanks for your kind response. <br></div><div>I have attached the ncl_filedump of three example files, PrintVarSummary and the output.<br></div><div><br></div><div>Please help me on this. Thanks in advance. <br></div><div></div><div><br></div><div><br></div><div><br>-- <br><div class="gmail-m_3908748141857064765gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><br></div><div>Best regards<br>Krishnakumar.AP<br></div><div>Research Fellow <br></div><div>Banaras Hindu University, India.<br></div></div></div></div></div>
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