Re: unknown diagonal white line on gsn_csm_map plot

From: Ronny Berndt <ronny.berndt_at_nyahnyahspammersnyahnyah>
Date: Tue Dec 18 2012 - 15:01:46 MST

Hi,

it seems that if you set the resource @mpLandFillColor the white line is gone.
Is @mpLandFillColor unset, the white line comes again...

Ronny

Am 18.12.2012 um 21:57 schrieb Rick Brownrigg:

> That's interesting -- it shows up in every output format we support. I don't know why at the moment, but am checking in to it…
>
> Rick
>
> On Dec 18, 2012, at 12:43 PM, Ronny Berndt <ronny.berndt@uni-jena.de> wrote:
>
>> Hi,
>>
>> why is there a diagonal white line from the lower left corner to upper right?
>> How can I prevent this?
>>
>> ncl-script:
>>
>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
>>
>> begin
>>
>> wks_type = "png"
>> wks_name = "latlines"
>> wks = gsn_open_wks(wks_type, wks_name) ; Open a workstation.
>>
>> res = True
>> res@gsnFrame = False ; Don't draw or advance
>> res@gsnDraw = False ; frame yet.
>> res@gsnMaximize = True
>>
>>
>> ;---This will be our base, so make it a map plot.
>> ;res@tfDoNDCOverlay = False
>> ;res@gsnAddCyclic = False
>> res@mpProjection = "CylindricalEquidistant" ; Projection
>> res@mpOutlineOn = True
>> res@mpDataBaseVersion = "MediumRes"
>> res@mpOutlineBoundarySets = "AllBoundaries"
>> ;res@mpOutlineBoundarySets = "National" ; country borders
>> res@mpNationalLineThicknessF = 2.0
>> res@mpLimitMode ="LatLon"
>> res@mpMinLatF = -21.87
>> res@mpMaxLatF = -11.09
>> res@mpMinLonF = 14.21
>> res@mpMaxLonF = 25.87
>>
>> Map = gsn_csm_map(wks, res)
>>
>> pres = True ; polyline mods desired
>> pres@gsLineThicknessF = 2.0 ; line thickness
>> pres@gsLineColor = "blue" ; color of lines
>>
>> val = gsn_add_polyline(wks,Map,(/14.21,25.87/),(/-12.63,-12.63/),pres)
>>
>> draw(Map)
>> frame(wks)
>>
>> ;delete(res)
>>
>> ;make high density png with imagemagick
>> ;delete(wks)
>>
>> options = "mogrify -strip -trim -geometry 1000x1000 -density 300 -units pixelsperinch " + wks_name + ".png"
>> ;system(options)
>>
>> end
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Received on Tue Dec 18 15:01:59 2012

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