[ncl-talk] How to change the line thickness of predefined fill patterns
Adam Phillips
asphilli at ucar.edu
Mon May 13 15:47:44 MDT 2019
Hi Qingyun,
If I understand what you are asking, you would like to change the thickness
of the lines of the various fill patterns that you are using.
Unfortunately, I do not believe that you can do this in NCL. See this
previous ncl-talk reply from a NCL-developer:
https://www.ncl.ucar.edu/Support/talk_archives/2013/2900.html
Also, see the original questioner's response to the above on how they got
the line thicknesses to change:
https://www.ncl.ucar.edu/Support/talk_archives/2013/2885.html
Hope that helps!
Adam
On Mon, May 13, 2019 at 2:10 PM Bian Qingyun <bianqy at tea.ac.cn> wrote:
>
> Hi Adam,
>
> Thank you for your suggestion! Attached is the figure. Here is my script.
>
> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>
> load "./shapefile_utils.ncl"
> begin
>
> ;---read data
> dir = "../data/"
> fin = addfile(dir+"data_num_2001.nc","r") ;---edit
> lat = fin->lat
> lon = fin->lonp = 1 - fin->p(0,:,:)
> R = fin->p(1,:,:)
>
> ;---plot
> type = "x11" ;----- edit -----
> wks = gsn_open_wks(type,"png_panel_snowh_trend_vsstation_1980-2009_yearly")
> gsn_define_colormap(wks,"ncl_default")
>
> ;---resources for color-filled plot
> res = True
> res at gsnMaximize = True ; maximize size in frame
> res at gsnDraw = False ; Don't draw plots
> res at gsnFrame = False ; Don't advance frame
> res at mpFillOn = False
> res at cnFillOn = True ; Turn on contour fill
> res at cnLinesOn = False ; Turn off contour lines
> res at cnLevelSelectionMode = "ExplicitLevels"
> res at cnLevels = (/-0.2,-0.1,-0.05,-0.02,0,0.02,0.05,0.1,0.2/)
> res at cnFillColors = (/2,18,50,82,114,141,178,194,226,248/)
> res at mpMinLonF = 67 ;TP
> res at mpMaxLonF = 105
> res at mpMinLatF = 25
> res at mpMaxLatF = 40
> res at gsnAddCyclic = False
>
> ;---resources for polyline
> shp_filename = "TibetanPlateau.shp"
> lnres = True
> lnres at gsLineColor = "black"
> lnres at gsLineThicknessF = 3.0
> ;lnres at gsLineDashPattern = 13
>
> ;-----Open shapefile and read lat/lon values
> data_mask_0 = shapefile_mask_data(R,shp_filename,True)
> plot_fill = gsn_csm_contour_map(wks,data_mask_0,res) ; Create filled
> contours
> line_mask_0 = gsn_add_shapefile_polylines(wks,plot_fill,shp_filename,
> lnres)
>
> ;---resources for shaded plot
> delete(res at cnLevels)
> res at cnMonoFillColor = True
> res at cnLevels = (/0.05,0.2/)
> res at cnMonoFillPattern = False ; Use multiple fill patterns
> res at cnFillPatterns = (/1,2,3/) ;fill with horizontal line, vertical line
> and slash
>
>
> *;---change the thickness of the horizontal line, vertical line and slash*
> *res at cnMonoLineThickness* <res at cnMonoLineThickness>
> * = True ;**res at cnLineThicknessF* <res at cnLineThicknessF>* = 4*
>
> data_mask_1 = shapefile_mask_data(p,shp_filename,True)
> plot_shade = gsn_csm_contour(wks,data_mask_1,res) ; Create shaded contours
> line_mask_1 = gsn_add_shapefile_polylines(wks,plot_shade,shp_filename,
> lnres)
>
> ;---Overlay will transform plot_shade into data space of plot_fill
> overlay(plot_fill,plot_shade)
>
> ;---This call resizes plot so it fits in frame
> pres = True
> maximize_output(wks,pres)
>
> end
>
> ;;;;;;;;;;;;;;;;;;;;;;;;;
>
> I want to make the line thicker in the shaded plot using the following
> resources, but they didn't work.
>
>
> *;---change the thickness of the horizontal line, vertical line and slash*
> *res at cnMonoLineThickness* <res at cnMonoLineThickness>
> * = True ;**res at cnLineThicknessF* <res at cnLineThicknessF>* = 4*
>
> I have no idea how to change the line thickness. Any suggestions are
> appreciated!
>
> Best,
>
> Qingyun
>
>
> -----Original Messages-----
> *From:*"Adam Phillips" <asphilli at ucar.edu>
> *Sent Time:*2019-05-14 03:24:05 (Tuesday)
> *To:* "Bian Qingyun" <bianqy at tea.ac.cn>
> *Cc:* Ncl-talk <ncl-talk at ucar.edu>
> *Subject:* Re: [ncl-talk] How to change the line thickness of predefined
> fill patterns
>
> Hi Qingyun,
> Can you send along a simplified script and the resulting image to the
> ncl-talk list so everyone can see the issue? Doing that would make it
> easier for folks to assist.
> Adam
>
> On Sun, May 12, 2019 at 8:05 PM Bian Qingyun <bianqy at tea.ac.cn> wrote:
>
>>
>> Hello,
>>
>> I overlay a shaded contour plot on a filled contour plot following
>> overlay_10.ncl from the NCL website.
>>
>> Here are the resources for the shaded plot.
>>
>> ;---Resources for shaded plot
>>
>> res at cnLevels = (/0.05,0.2/)
>> res at cnMonoFillPattern = False ; Use multiple fill patterns
>> res at cnFillPatterns = (/1,2,3/) ;predefined fill pattern 1, 2 and 3
>> res at cnMonoFillColor = True ; Use same color for shading
>> res at lbLabelBarOn = False
>>
>> The question is I want change the line thicknesses of the predefined fill pattern 1, 2 and 3. I add the following resources, but they didn't work.
>>
>> res at cnMonoLineThickness = True
>> res at cnLineThicknessF = 6
>>
>> Any suggestions are appreciated!
>>
>> Best,
>>
>> Qingyun
>>
>>
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>
>
> --
> Adam Phillips
> Associate Scientist, Climate and Global Dynamics Laboratory, NCAR
> www.cgd.ucar.edu/staff/asphilli/ 303-497-1726
>
> <http://www.cgd.ucar.edu/staff/asphilli>
>
>
> --
>
> -------------------------------------------------------
>
> 边晴云 中国科学院大气物理研究所
>
> TEL：18710037107
>
> ★☆活着，其实就是活一种精神状态~~
>
--
Adam Phillips
Associate Scientist, Climate and Global Dynamics Laboratory, NCAR
www.cgd.ucar.edu/staff/asphilli/ 303-497-1726
<http://www.cgd.ucar.edu/staff/asphilli>
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