[ncl-talk] gsn_csm_vector_scalar_map
Xi Chang
xi.chang01 at gmail.com
Fri Feb 5 13:19:10 MST 2016
Hi Karin,,
I did, but it doesnt work for gsn_csm_vector_scalar_map, no idea why..
Chang.
On Fri, Feb 5, 2016 at 7:53 PM, Karin Meier-Fleischer <
meier-fleischer at dkrz.de> wrote:
> Hi Xi,
>
> have you taken a look at the first example of the vector examples page
> http://ncl.ucar.edu/Applications/Scripts/vector_1.ncl
>
> When you want to control the minimum/maximum and interval of the contour
> lines use
>
> res at cnLevelSelectionMode = "ManualLevels" ; set manual contour levels
> res at cnMinLevelValF = 24.0 ; set min contour level
> res at cnMaxLevelValF = 29 ; set max contour level
> res at cnLevelSpacingF = 0.10 ; set contour spacing
>
> Bye,
> Karin
>
> Am 05.02.16 um 19:00 schrieb Xi Chang:
>
> Hello...
>
> Could you please tell me how to control the contour interval for color
> shading once im using this function *gsn_csm_vector_scalar_map*.
>
> ;===========PLOT=================
>
> wks = gsn_open_wks("png","overlay")
>
> res = True ; plot mods desired
> plot = new(16,graphic)
>
> res at gsnDraw = False ; don't draw
> res at gsnFrame = False ; don't advance frame
>
> ; vector rescoures
> res at vcRefLengthF = 0.045
> res at vcRefMagnitudeF = 20.0
> res at vcRefAnnoOrthogonalPosF = -0.12
> res at vcRefAnnoParallelPosF = 0.997
> res at vcRefAnnoFontHeightF = 0.015
> res at vcMinDistanceF = 0.03
> res at lbLabelBarOn = False
>
> res at mpProjection = "AzimuthalEquidistant" ; choose map projection
> res at mpLimitMode = "LatLon" ; use lat/lon coordinates to
> limit area
> res at mpMinLatF = 25.
> res at mpMaxLatF = 75.
> res at mpMinLonF = -80.
> res at mpMaxLonF = 20.
> res at gsnMaximize = True
>
>
>
>
>
> * res at gsnScalarContour = True res at cnFillOn = True
> res at cnFillPalette = "gui_default" ; set color map
> res at cnLinesOn = False ; turn off contour lines *
>
>
> do i=0,15
> plot(i) = gsn_csm_vector_scalar_map(wks,u(i,:,:),v(i,:,:), \
> p(i,:,:),res)
> end do
>
> resP = True ; modify the panel plot
> resP at gsnMaximize = True
> gsn_panel(wks,plot,(/4,4/),resP) ; now draw as one plot
>
>
> end
>
>
>
>
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