<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Others may have different preferences or insights on this. <div class=""><br class=""></div><div class="">IMO, the easiest way is to create the plots as you have. </div><div class="">Then create a blank map e.g. map = gsn_csm_map(wks, map_resources)</div><div class=""><br class=""></div><div class="">then go through and use overlay(); I can’t tell which plots are which for you so pseudo example here: </div><div class=""><br class=""></div><div class="">overlay(map, shaded_plot)</div><div class="">overlay(map, contour_plot)</div><div class="">overlay(map, next_contour_plot)</div><div class="">draw(map)</div><div class="">frame(wks)</div><div class=""><br class=""></div><div class="">Although this is a little longer than using one of the combined functions, it means your resources can all be distinct for each aspect of the plot.If you want to remove any layer you can just comment out the overlay line without any other changes. </div><div class=""><br class=""></div><div class="">Also, this is all gsn_csm_contour_map_overlay() is doing, </div><div class="">from that function<i class=""> </i></div><div class=""><i class="">…</i></div><div class=""><div class=""><i class=""> contour2 = gsn_contour(wks,datanew,res2_tmp)</i></div><div class=""><i class=""> overlay(contour1,contour2)</i></div></div><div class=""><i class="">….</i></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">As for your errors, gsn_csm_contour_map_overlay() wants args 1,2 to be numeric data not graphic objects. </div><div class=""><br class=""></div><div class=""><blockquote type="cite" class=""><div dir="ltr" class=""><div class=""><div class=""><div class=""><font face="monospace, monospace" class=""> plot = gsn_csm_contour_map_overlay(wks,fill_pv,contour_psl,opts,opts2)</font></div></div></div></div></blockquote>should be<br class=""><blockquote type="cite" class=""><div dir="ltr" class=""><div class=""><div class=""><div class=""><font face="monospace, monospace" class=""> plot = gsn_csm_contour_map_overlay(wks,</font> <span style="font-family: monospace, monospace;" class="">pv300,</span> <span style="font-family: monospace, monospace;" class="">slp</span><span style="font-family: monospace, monospace;" class="">,opts,opts2)</span></div></div></div></div></blockquote></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Hope that helps, </div><div class=""><br class=""></div><div class="">Alan</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""><div class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">##############################<br class="">Alan Brammer,<div class="">Post-Doc Researcher</div><div class=""><br class=""></div><div class="">Department of Atmospheric and Environmental Sciences,<br class="">University at Albany, State University of New York, Albany, NY, 12222<div class=""><a href="mailto:abrammer@albany.edu" class="">abrammer@albany.edu</a><br class="">##############################</div></div></div></span></div></div>
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<br class=""><div><blockquote type="cite" class=""><div class="">On 29 Jul 2016, at 01:21, Ryan Connelly <<a href="mailto:rconne01@gmail.com" class="">rconne01@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">I have a RAP file which I converted to netCDF.<div class=""><br class=""></div><div class="">I want to plot three variables (one filled, two contoured) over a map. This can be done rather easily with the wrf_map_overlays function for WRF-ARW data, but it doesn't seem there is an equivalent function for non-WRF data. My current plan is to use gsn_csm_contour_map_overlays for the first two, then take that plot and the use overlay for the third. Will this work? Is there a better way? The documentation makes it seem that gsn_csm_contour_map can only handle two datasets at a time.</div><div class=""><br class=""></div><div class="">In doing this, I get two main errors: </div><div class=""><br class=""></div><div class="">The first is that all of my map plotting options are not valid. I made sure that the opts for just the first variable in gsn_csm_contour_map had the map plotting options, since that's what the documentation says to do.</div><div class=""><br class=""></div><div class="">The second is this:</div><div class=""><br class=""></div><div class=""><div class=""><font face="monospace, monospace" class="">fatal:Argument type mismatch on argument (1) of (gsn_csm_contour_map_overlay) can not coerce</font></div><div class=""><font face="monospace, monospace" class="">fatal:["Execute.c":8578]:Execute: Error occurred at or near line 190 in file rap_fgen_1.ncl</font></div><div class=""><br class=""></div><div class="">Here's a code snippet:</div><div class=""><br class=""></div><div class=""><div class=""><font face="monospace, monospace" class="">; Plotting options for fgen</font></div><div class=""><font face="monospace, monospace" class=""> opts3 = True</font></div><div class=""><font face="monospace, monospace" class=""> [...]</font></div><div class=""><font face="monospace, monospace" class=""> contour_fgen = gsn_csm_contour(wks,pett_fgen,opts3)</font></div><div class=""><font face="monospace, monospace" class=""><br class=""></font></div><div class=""><font face="monospace, monospace" class=""><br class=""></font></div><div class=""><font face="monospace, monospace" class=""> ; Plotting options for pv</font></div><div class=""><font face="monospace, monospace" class=""> opts = mpres</font></div><div class=""><font face="monospace, monospace" class=""> [...]</font></div><div class=""><font face="monospace, monospace" class=""> fill_pv = gsn_csm_contour(wks,pv300,opts)</font></div><div class=""><font face="monospace, monospace" class=""><br class=""></font></div><div class=""><font face="monospace, monospace" class=""><br class=""></font></div><div class=""><font face="monospace, monospace" class=""> ; Plotting options for SLP</font></div><div class=""><font face="monospace, monospace" class=""> opts2 = True</font></div><div class=""><font face="monospace, monospace" class=""> [...]</font></div><div class=""><font face="monospace, monospace" class=""> contour_psl = gsn_csm_contour(wks,slp,opts2)</font></div><div class=""><font face="monospace, monospace" class=""><br class=""></font></div><div class=""><font face="monospace, monospace" class=""><br class=""></font></div><div class=""><font face="monospace, monospace" class=""> ; MAKE PLOTS</font></div><div class=""><font face="monospace, monospace" class=""> plot = gsn_csm_contour_map_overlay(wks,fill_pv,contour_psl,opts,opts2)</font></div><div class=""><font face="monospace, monospace" class=""> overlay(plot,contour_fgen)</font></div></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Thank you in advance!</div><div class="">Ryan</div><div class=""><br class=""></div>-- <br class=""><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div dir="ltr" class=""><font size="1" class="">Ryan Connelly</font></div><div dir="ltr" class=""><div dir="ltr" style="font-size:12.8px" class=""><font class=""><font size="1" class="">M.S. Student in Atmospheric Sciences, </font><span style="font-size:x-small" class="">Stony Brook University</span><br class=""></font></div><div dir="ltr" style="font-size:12.8px" class=""><div class=""><font class=""><font size="1" class="">B.S. in Meteorology with Minors in Mathematics and GIS, </font><span style="font-size:x-small" class="">Valparaiso University</span></font></div></div><div class=""><a href="mailto:rconne01@gmail.com" style="font-size:x-small" target="_blank" class="">rconne01@gmail.com</a><br class=""></div><div class=""><font size="1" class=""><a href="mailto:ryan.connelly@stonybrook.edu" target="_blank" class="">ryan.connelly@stonybrook.edu</a></font></div></div></div></div></div></div></div></div></div></div>
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