Dear NCL users:
I am plotting topography using the gsn_csm_contour_map in
an area; lat: 40 to 50 N, lon: 4. to 15. E. The data plots
fine. However, the lat lon labels that default are incorrect.
This seems like it should be easy correct, but I have
been unsuccessful in doing this. What resources would
allow me to explicitly label the longitude and latitude
values on the x and y axes, respectively. I have attached
the plotting portion of my script below. Any suggestions
on how to do this would be greatly appreciated.
Thank you,
Matt
matthew.fearon AT yale.edu
wks = gsn_open_wks ("X11", "plot")
gsn_define_colormap (wks,"gui_default") ; COLOR
res = True
; res@vpXF = .1
; res@vpYF = .95
; res@vpWidthF = .5
; res@vpHeightF = .8
res@gsnSpreadColors = True
res@gsnSpreadColorStart = 4
res@gsnSpreadColorEnd = -1
res@gsnAddCyclic = False
res@mpLimitMode = "Corners"
res@mpLeftCornerLatF = latcoord(0)
res@mpLeftCornerLonF = loncoord(0)
res@mpRightCornerLatF = latcoord(nj-1)
res@mpRightCornerLonF = loncoord(ni-1)
res@mpOutlineDrawOrder = "PostDraw"
res@mpGridLineDashPattern = 2
res@mpPerimOn = True
res@mpPerimDrawOrder = "PostDraw"
res@mpOutlineOn = True
res@mpOutlineBoundarySets = "National"
res@mpGeophysicalLineThicknessF = 1.5
res@mpGridAndLimbOn = True
res@mpGridSpacingF = 1.
; res@mpMinLatF = 41.
; res@mpMaxLatF = 49.
; res@mpLabelsOn =
; res@mpCenterLonF = 9.
res@mpGridLonSpacingF = 5.
; res@mpMinLonF = 4. ; set min lon
; res@mpMaxLonF = 15. ; set max lon
; res@mpGridLatSpacingF = .3
res@tfDoNDCOverlay = True
res@cnRasterModeOn = True
res@cnFillOn = True
res@cnLinesOn = False
res@cnInfoLabelOn = False
res@cnLineLabelsOn = False
res@cnLevelSelectionMode = "ManualLevels"
res@cnMinLevelValF = 0.
res@cnMaxLevelValF = 3600.
res@cnLevelSpacingF = 100.
res@lbAutoManage = False
res@pmLabelBarDisplayMode = "Never"
res@lbAutoManage = False
res@pmLabelBarDisplayMode = "Never"
res@lbOrientation = "Horizontal"
res@lbLabelStride = 4
res@lbLabelFontHeightF = .012
res@lbPerimOn = False
txres = True
txres@txFontHeightF = 0.02
gsn_text_ndc(wks,"1km Alpine DEM",0.45,0.89,txres)
plot = gsn_csm_contour_map(wks,ddem,res)
frame(wks)
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