Re: Continuous Label Bar

I am not clear on what u want ... try the attached script ...
IMRAN NADEEM wrote:
> Hi everybody,
>
> I am trying to make a continuous label bar as shown in
> attached file. I defined the
> color map with colors used in the attached label bar.I tried different
> options but couldn't succeed.
>
> Any help or suggestion is highly appreciated
> Nadeem
>
> -------------------------------------------------------------------------------------------------------------------------
>
> cmap=(/ (/255,255,255/),(/0,0,0/),(/1,98,70/),(/4,103,65/)\
> ,(/7,108,60/),(/11,114,55/),(/14,119,50/),(/26,126,51/),(/70,145,66/)\
> ,(/115,165,83/),(/160,184,99/),(/204,203,115/),(/229,209,119/),(/214,178,94/)\
> ,(/199,147,68/),(/185,117,42/),(/170,86,16/),(/161,64,0/),(/160,50,0/)\
> ,(/160,36,0/),(/159,23,0/),(/158,8,0/),(/156,5,5/),(/146,27,27/)\
> ,(/136,50,50/),(/126,73,73/),(/116,96,96/),(/116,116,116/),(/146,146,146/)\
> ,(/176,176,176/),(/206,206,206/),(/236,236,236/),(/255,255,255/)\
> ,(/255,255,255/),(/255,255,255/),(/255,255,255/),(/255,255,255/) /)
> /255.0
>
> gsn_define_colormap(wks,cmap)
> res_at_cnLevelSelectionMode = "ExplicitLevels" ; Define own levels.
> res_at_cnLevels =
> (/0.,50.,500.,1200.,1700.,2200.,3000.,3500,4000.,4500./)
> res_at_lbLabelAlignment = "ExternalEdges"
> res_at_gsnSpreadColors = True
>
> ;The data I am plotting is Topograpgy ranges from 0 to 4500.
> -----------------------------------------------------------------------------------------------------------------
>
> ------------------------------------------------------------------------
>
> ------------------------------------------------------------------------
>
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-- 
======================================================
Dennis J. Shea                  tel: 303-497-1361    |
P.O. Box 3000                   fax: 303-497-1333    |
Climate Analysis Section                             |
Climate & Global Dynamics Div.                       |
National Center for Atmospheric Research             |
Boulder, CO  80307                                   |
USA                        email: shea 'at' ucar.edu |
======================================================

load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"

  nx = 40
  ny = 40
  z = generate_2d_array(15,15,-10.,5000.,0,(/ny,nx/))

  cmap=(/ (/255,255,255/),(/0,0,0/),(/1,98,70/),(/4,103,65/)\
 ,(/7,108,60/),(/11,114,55/),(/14,119,50/),(/26,126,51/),(/70,145,66/)\
 ,(/115,165,83/),(/160,184,99/),(/204,203,115/),(/229,209,119/),(/214,178,94/)\
 ,(/199,147,68/),(/185,117,42/),(/170,86,16/),(/161,64,0/),(/160,50,0/)\
 ,(/160,36,0/),(/159,23,0/),(/158,8,0/),(/156,5,5/),(/146,27,27/)\
 ,(/136,50,50/),(/126,73,73/),(/116,96,96/),(/116,116,116/),(/146,146,146/)\
 ,(/176,176,176/),(/206,206,206/),(/236,236,236/),(/255,255,255/)\
 ,(/255,255,255/),(/255,255,255/),(/255,255,255/),(/255,255,255/) /) /255.0

  wks = gsn_open_wks("x11","test")

  gsn_define_colormap(wks,cmap)

  res = True
  res_at_cnFillOn = True
  res_at_gsnSpreadColors = True
  res_at_cnLevelSelectionMode = "ExplicitLevels" ; Define own levels.
  res_at_cnLevels = (/0,50,500,1200,1700,2200,3000,3500,4000,4500/)
  res_at_cnLabelBarEndLabelsOn= True
  res_at_cnLabelBarEndStyle = "ExcludeOuterBoxes"

  res_at_lbLabelAutoStride = True ; automatically choose best stride
 ;res_at_lbBoxLinesOn = False
  res_at_lbBoxLineThicknessF = 0.5

  contour = gsn_csm_contour(wks,z,res)
;
; Generate 1D lat/lon coord arrays and attach to data. Make sure
; to include the units so we don't get warning messages from the
; gsn_csm_contour_map routine.
;
  latS = -35
  latN = 50
  lonL = 0
  lonR = 150
  lat = fspan(latS,latN,ny)
  lon = fspan(lonL,lonR,nx)
  lat_at_units = "degrees_north"
  lon_at_units = "degrees_east"
  z!0 = "lat"
  z!1 = "lon"
  z&lat = lat
  z&lon = lon

  res_at_mpMaxLatF = latN ; zoom in over australia
  res_at_mpMinLatF = latS
  res_at_mpMaxLonF = lonR
  res_at_mpMinLonF = lonL
  res_at_gsnAddCyclic = False

  contour = gsn_csm_contour_map(wks,z,res)

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Received on Fri Nov 14 2008 - 11:36:11 MST