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<div>Brad</div>
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<div>I'm not a WRF user so any suggestion here is just a guess. However, have you tried setting the resources trYMinF, trYMaxF etc instead of mpMaxLatF etc.</div>
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<div>I would guess that wrf_contour() is not a map plotting function, so it wouldn't recognise the mp resources. As long as the array that you're plotting has lat/lon coordinate dimensions the bounds set by the 'tr' resources should work fine.</div>
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<div>Hope that helps</div>
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<div>Will</div>
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<span style="font-weight:bold">From: </span><Illston>, "Bradley G." <<a href="mailto:illston@ou.edu">illston@ou.edu</a>><br>
<span style="font-weight:bold">Date: </span>Thursday, 14 April 2016 1:16 PM<br>
<span style="font-weight:bold">To: </span>"<a href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</a>" <<a href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</a>><br>
<span style="font-weight:bold">Subject: </span>[ncl-talk] Zooming Functions Clarification<br>
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<p class="MsoNormal">NCL Users,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am one to try and figure my problems on their own, but I am a bit stumped after working on this for a few days. I am trying to zoom my map in to a set of bounding latitudes and longitudes in my domain to no avail. I kept trying various
iterations utilizing ZoomIn or mpMinLatF/mpMinLonF/etc. I am not sure when you should use one and when you would use the other. Below is my latest script that works, but not zoomed in. When I run it, I get the following warnings:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">warning:mpLimitMode is not a valid resource in /tair_24hr_2011_2008091502_contour at this time<o:p></o:p></p>
<p class="MsoNormal">warning:mpMinLonF is not a valid resource in /tair_24hr_2011_2008091502_contour at this time<o:p></o:p></p>
<p class="MsoNormal">warning:mpMaxLonF is not a valid resource in /tair_24hr_2011_2008091502_contour at this time<o:p></o:p></p>
<p class="MsoNormal">warning:mpMinLatF is not a valid resource in /tair_24hr_2011_2008091502_contour at this time<o:p></o:p></p>
<p class="MsoNormal">warning:mpMaxLatF is not a valid resource in /tair_24hr_2011_2008091502_contour at this time<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Am I mixing various gsn functions that is causing a confusion? Is there a preferred one for plotting basic WRF output (in NetCDF format) to a PNG file? Any thoughts? Thank you so much.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Cheers,<o:p></o:p></p>
<p class="MsoNormal">Brad Illston<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"<o:p></o:p></p>
<p class="MsoNormal">load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"<o:p></o:p></p>
<p class="MsoNormal">load "$NCARG_ROOT/lib/ncarg/nclscripts/wrf/WRFUserARW.ncl"<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">begin<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">;---Define colormap. First is background color, second is foreground color<o:p></o:p></p>
<p class="MsoNormal"> colors = (/(/255, 255, 255/),(/0, 0, 0/),(/255, 255, 255/),(/088, 164, 074/),(/047,124,062/),(/055, 072, 114/),(/095,129,183/),(/094,165,212/),(/116,196,205/),(/135,099,162/),(/128,076,144/)/) / 255.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">;---Open WRF output file<o:p></o:p></p>
<p class="MsoNormal"> a = addfile(wrf_filename,"r")<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> print(" NetCDF file = "+wrf_filename)<o:p></o:p></p>
<p class="MsoNormal"> print(" Output image = "+output_png)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">;---Read temperature at first time step<o:p></o:p></p>
<p class="MsoNormal"> tc = wrf_user_getvar(a,"T2",0)<o:p></o:p></p>
<p class="MsoNormal"> tc@long_name = "2m Air Temperature"<o:p></o:p></p>
<p class="MsoNormal"> tc@units = "C"<o:p></o:p></p>
<p class="MsoNormal"> tc=tc-273.15<o:p></o:p></p>
<p class="MsoNormal"><o:p></o:p></p>
<p class="MsoNormal"> wks = gsn_open_wks("png",output_png)<o:p></o:p></p>
<p class="MsoNormal"> gsn_define_colormap(wks,"WhiteBlueGreenYellowRed") ; choose colormap<o:p></o:p></p>
<p class="MsoNormal">; gsn_define_colormap(wks,colors)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">;---Resources for filled contour plot<o:p></o:p></p>
<p class="MsoNormal"> res = True<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> res@cnFillOn = True <o:p></o:p></p>
<p class="MsoNormal"> res@cnLinesOn = False<o:p></o:p></p>
<p class="MsoNormal"> res@gsnMaximize = True<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> res@tiMainString = run_length + " Run (" + year + ") - " + run_date + " " + end_time + " UTC"<o:p></o:p></p>
<p class="MsoNormal"> res@Footer = False<o:p></o:p></p>
<p class="MsoNormal"> res@FieldTitle = "2m Air Temperature"<o:p></o:p></p>
<p class="MsoNormal"> res@lbTitleOn = True<o:p></o:p></p>
<p class="MsoNormal"> res@lbTitleString = ""<o:p></o:p></p>
<p class="MsoNormal"> res@NoHeaderFooter = True ; Switch headers and footers off<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> res@cnLevelSelectionMode = "ExplicitLevels"<o:p></o:p></p>
<p class="MsoNormal"> res@cnLevels = (/10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25/)<o:p></o:p></p>
<p class="MsoNormal">; res@ContourParameters = (/10,25,1/) ; Contour levels<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> res@mpLimitMode = "LatLon"<o:p></o:p></p>
<p class="MsoNormal"> res@mpMinLatF = 35<o:p></o:p></p>
<p class="MsoNormal"> res@mpMinLonF = -98<o:p></o:p></p>
<p class="MsoNormal"> res@mpMaxLatF = 36<o:p></o:p></p>
<p class="MsoNormal"> res@mpMaxLonF = -97<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> contour = wrf_contour(a,wks,tc,res) ; Create contour plot<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> pltres = True ; Basic overlay plot options<o:p></o:p></p>
<p class="MsoNormal"> pltres@PanelPlot = True ; Tells wrf_map_overlays not to remove overlays<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> mpres = True ; Set map options<o:p></o:p></p>
<p class="MsoNormal"> mpres@mpOutlineOn = True ; Turn on map outlines<o:p></o:p></p>
<p class="MsoNormal"> mpres@mpFillOn = False ; Turn off map fill<o:p></o:p></p>
<p class="MsoNormal"> mpres@mpDataBaseVersion = "Ncarg4_1"<o:p></o:p></p>
<p class="MsoNormal"> mpres@mpDataSetName = "Earth..2" ; For counties<o:p></o:p></p>
<p class="MsoNormal"> mpres@mpOutlineBoundarySets = "GeophysicalAndUSStates"<o:p></o:p></p>
<p class="MsoNormal"> mpres@mpOutlineSpecifiers = (/"Land", "Oklahoma:counties"/)<o:p></o:p></p>
<p class="MsoNormal"> mpres@tiMainString = run_length + " Run (" + year + ") - " + run_date + " " + end_time + " UTC"<o:p></o:p></p>
<p class="MsoNormal"> mpres@gsnMaximize = True<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">;---Create the contours over the WRF map (nothing will be drawn yet).<o:p></o:p></p>
<p class="MsoNormal"> plot = wrf_map_overlays(a,wks,contour,pltres,mpres)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">end<o:p></o:p></p>
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