Re: Labels on X axes

Hi Marco,

On the same page, if you scroll down to example 9, you will see how to
label both Y axes, and to set different tickmark labels for both, if
you want this too. You can do a similar thing for the X axis; just
change the resource names as Adam indicated below.

--Mary

On Fri, 19 Sep 2008, Adam Phillips wrote:

> Hi Marco,
>
> Take a look at example 6 here:
> http://www.ncl.ucar.edu/Applications/tickmarks.shtml#ex6
>
> It shows how to display 2 different y-axis, although it doesn't show how to
> explicitly set the right hand y-axis.
>
> You will need to set the tmXUseBottom = False
> http://www.ncl.ucar.edu/Document/Graphics/Resources/tm.shtml#tmXUseBottom
>
> You will also need to set tmXTMode = "Explicit", tmXTValues, tmXTLabels, and
> also set tmXTLabelsOn = True. Note that the XTValues will need to be in terms
> of the XBValues. In other words, if your bottom x-axis runs from 1-100, the
> the XTValues need to be in the range of 1-100 as well. (The XTLabels can be
> whatever you want though.)
>
> Hope that helps,
> Adam
>
>
> Marco Pastore wrote:
>> Hi all.
>>
>> Is it possible to display a different set of Labels on the two x-labels in
>> ncl plots ?
>>
>> I tried, but the results is no labels or the same labels in both x-axes.
>>
>> My script:
>>
>> wks = gsn_open_wks("ps","trans") ; open a ps file
>> gsn_define_colormap(wks,"BlAqGrYeOrReVi200") ; choose colormap
>>
>> res = True ; plot mods desired
>> res_at_tmXBMode = "Explicit" ; explicitly label x-axis
>> res_at_tmXTMode = "Explicit" ; explicitly label x-axis
>> res_at_tmYLMode = "Explicit" ; explicitly label y-axis
>> res_at_tmXTLabelsOn = True
>> res_at_gsnFrame = False ; don't turn page yet
>> res_at_gsnDraw = False ; don't draw yet
>> res_at_tmXTValues = (/0,1/) ; points to label
>> res_at_tmXTLabels = (/leftlat+"N ~C~"+leftlon+"E",rightlat+"N
>> ~C~"+rightlon+"E"/)
>> res_at_tmXBValues = (/points(0),points(npt-1)/) ; points to label
>> res_at_tmXBLabels = (/0,ceil(dist/1000)/)
>> res_at_tmYLValues = zdpth
>> res_at_tmYLLabels = ""+zdpth
>>
>> res_at_cnFillOn = True ; turn on color
>> res_at_cnMissingValFillPattern = 0 ; these two resource to plot
>> missing values in black
>> res_at_cnMissingValFillColor = "black" ;
>> res_at_lbLabelAutoStride = True ; nice label bar label stride
>> res_at_gsnSpreadColors = True ; use full range of colormap
>> res_at_cnLinesOn = False ; turn off countour lines
>> res_at_lbOrientation = "Horizontal" ; Horizontal label bar
>> res_at_pmLabelBarOrthogonalPosF = -0.05 ; move label bar closer to
>> plot
>> res_at_tiMainString = "Transect" ; add title
>>
>> res_at_trYReverse = False ; don't reverse y axis
>> res_at_gsnYAxisIrregular2Linear = True
>> res_at_vpHeightF = 0.4
>> res_at_vpWidthF = 0.8
>> res_at_vpXF = 0.10
>> res_at_lbBoxMajorExtentF = 1 ; relative dimension of the boxes
>> res_at_lbBoxMinorExtentF = 0.2
>> res_at_tmYROn = False
>> ;res_at_tmXTOn = False
>> res_at_tmYLMinorOn = False
>> res_at_tmYLLabelStride = 4
>> res_at_tmXBMajorLengthF = 0.002
>> res_at_tmYLMajorLengthF = 0.002
>> res_at_tmXBMinorLengthF = 0.001
>> res_at_tmYLMinorLengthF = 0.001
>> res_at_tmXTMajorLengthF = 0.002
>> res_at_tmYRMajorLengthF = 0.002
>> res_at_tmXTMinorLengthF = 0.001
>> res_at_tmYRMinorLengthF = 0.001
>>
>> res_at_tmXBLabelFontHeightF = 0.016
>> res_at_tmYLLabelFontHeightF = 0.016
>> res_at_lbLabelFontHeightF = 0.016
>> res_at_cnLevelSpacingF = 0.15 ; set contour spacing
>> plot = gsn_csm_contour(wks,temp(zlev|:,point|:),res) ; create plot
>>
>>
>> Result:
>>
>>
>>
>> If i invert the array assignment between XTLabels and XBLabels, labels
>> changes, but however both axes have the same labels.
>>
>> Could you help me ?
>>
>> Thanks, Marco
>>
>> --
>> ### ### ### ### ###
>>
>> MARCO PASTORE
>>
>> Istituto Nazionale di Geofisica e Vulcanologia
>> Gruppo Nazionale di Oceanografia Operativa
>> Viale Aldo Moro 44
>> 40128, Bologna
>>
>> Tel:(+39)051-3782649
>> Cel:(+39)339 8273965
>>
>> Skype: mapas71
>>
>> ### ### ### ### ###
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> ncl-talk mailing list
>> ncl-talk_at_ucar.edu
>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>
> --
> --------------------------------------------------------------
> Adam Phillips asphilli_at_ucar.edu
> National Center for Atmospheric Research tel: (303) 497-1726
> ESSL/CGD/CAS fax: (303) 497-1333
> P.O. Box 3000 Boulder, CO 80307-3000
> http://www.cgd.ucar.edu/cas/asphilli
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Received on Fri Sep 19 2008 - 09:35:29 MDT