[ncl-talk] gsn_polyline and shading issue

[Cathy Smith - NOAA Affiliate]

Adam
I tried that and got the same behavior (lines behind shading)

Cathy






On Mon, Aug 4, 2014 at 3:08 PM, Adam Phillips <asphilli at ucar.edu> wrote:

> Hi Cathy,
> Try setting pres at tfPolyDrawOrder = "PostDraw". That resource should
> control when the polylines are drawn. If that doesn't solve it let everyone
> know.
> Adam
>
>
> On Mon, Aug 4, 2014 at 3:01 PM, Cathy Smith - NOAA Affiliate <
> cathy.smith at noaa.gov> wrote:
>
>> I tried res at mpFillDrawOrder  (which I think is what you were referring
>> to; the other doesn't exist)
>>
>> I set to PreDraw, Draw and Post Draw and got the same behavior. I did see
>> some doc here
>>
>> http://www.ncl.ucar.edu/Applications/draworder.shtml
>>
>> which is along the lines of what you suggested but didn't seem to work
>> for the routines I used. I wonder if there is a way to draw the polylines
>> last instead of the shaded fill first?
>>
>> Thanks for the suggestion.
>>
>> Cathy
>>
>>
>> On Mon, Aug 4, 2014 at 2:43 PM, Kyle Griffin <ksgriffin2 at wisc.edu> wrote:
>>
>>> I believe the quick fix, assuming nothing else is explicitly ordered,
>>> will be
>>>
>>> res at mpDrawOrder = "PreDraw"
>>>
>>> If that doesn't do it, you can poke around with other DrawOrder
>>> resources to move things into either "PreDraw", "Draw", or "PostDraw"
>>> drawing phases.
>>>
>>>
>>> Kyle
>>>
>>> ----------------------------------------
>>> Kyle S. Griffin
>>> Department of Atmospheric and Oceanic Sciences
>>> University of Wisconsin - Madison
>>> Room 1421
>>> 1225 W Dayton St, Madison, WI 53706
>>> Email: ksgriffin2 at wisc.edu
>>>
>>>
>>> On Mon, Aug 4, 2014 at 3:28 PM, Cathy Smith (NOAA Affiliate) <
>>> cathy.smith at noaa.gov> wrote:
>>>
>>>> Hi NCLers
>>>> I'm having trouble getting a polyline to appear OVER a map with
>>>> continents shaded. I have simplified code below which reproduces the
>>>> problem.  The code draws a basic map (shading is default) and then a box
>>>> on the map using gsn_polyline . You can run code and then look at
>>>> fluffy.ps. The box just shows up where there is no shading. I verified
>>>> in testing that the lines show up as long as they aren't located where
>>>> the shading is. How can I control the order of shading so it is done
>>>> before the polylines?
>>>>
>>>> NCL version is 6.2.0 on a 64 bit linux server.
>>>>
>>>> Thanks!
>>>> Cathy Smith
>>>>
>>>>
>>>> ;*;************************************************
>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
>>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
>>>> ;**************************************************
>>>> begin
>>>>
>>>>    psname="fluffy"
>>>>    wks = gsn_open_wks("ps",psname)               ; open workstation
>>>>    res            = True                          ; map resources
>>>>    res at gsnDraw    = False                         ; don't draw
>>>>    res at gsnFrame   = False                         ; don't advance frame
>>>>    res_lb         = True                          ; map resources
>>>>    latmin=41
>>>>    latmax=52
>>>>    lonmin=235
>>>>    lonmax=250
>>>>    poly_lat1=43
>>>>    poly_lat2=50
>>>>    poly_lon1=237
>>>>    poly_lon2=247
>>>>    res at mpMaxLatF  = latmax                           ; select subregion
>>>>    res at mpMinLatF  = latmin
>>>>    res at mpMinLonF  = lonmin
>>>>    res at mpMaxLonF  = lonmax
>>>>    res at mpCenterLonF  = (lonmax+lonmin)/2.
>>>>
>>>>    map = gsn_csm_map_ce(wks,res)                         ; create map
>>>>
>>>>    pres                  = True                             ; polyline
>>>> resources
>>>>    pres at gsLineThicknessF = 2.0                ; line thickness
>>>>
>>>>
>>>>
>>>> gsn_polyline(wks,map,(/poly_lon1,poly_lon2/),(/poly_lat1,poly_lat1/),pres)
>>>>
>>>>
>>>> gsn_polyline(wks,map,(/poly_lon2,poly_lon2/),(/poly_lat1,poly_lat2/),pres)
>>>>
>>>>
>>>> gsn_polyline(wks,map,(/poly_lon1,poly_lon2/),(/poly_lat2,poly_lat2/),pres)
>>>>
>>>>
>>>> gsn_polyline(wks,map,(/poly_lon1,poly_lon1/),(/poly_lat1,poly_lat2/),pres)
>>>>
>>>>    draw(map)
>>>> ;   frame(wks)
>>>>
>>>> end
>>>>
>>>> --
>>>> ----------------------------------------------
>>>> NOAA/ESRL PSD and CU CIRES
>>>> 303-497-6263
>>>> http://www.esrl.noaa.gov/psd/people/cathy.smith/
>>>>
>>>> Emails about data/webpages may get quicker responses from emailing
>>>> esrl.psd.data at noaa.gov
>>>>
>>>> _______________________________________________
>>>> ncl-talk mailing list
>>>> List instructions, subscriber options, unsubscribe:
>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>
>>>
>>>
>>
>>
>> --
>>
>> ---------------------------------------------------
>> NOAA/ESRL PSD and CIRES CDC303-497-6263http://www.esrl.noaa.gov/psd/people/cathy.smith/
>>
>> Emails about data/webpages may get quicker responses from emailing
>>
>> esrl.psd.data at noaa.gov
>>
>>
>> _______________________________________________
>> ncl-talk mailing list
>> List instructions, subscriber options, unsubscribe:
>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>
>>
>
>
> --
> Adam Phillips
> Associate Scientist,  Climate and Global Dynamics Division, NCAR
> www.cgd.ucar.edu/staff/asphilli/   303-497-1726
>
> <http://www.cgd.ucar.edu/staff/asphilli>
>



-- 

---------------------------------------------------
NOAA/ESRL PSD and CIRES CDC
303-497-6263http://www.esrl.noaa.gov/psd/people/cathy.smith/

Emails about data/webpages may get quicker responses from emailing

esrl.psd.data at noaa.gov
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20140804/049713e7/attachment.html