[ncl-talk] CellFill issue: How to disable all fine white lines around each grid cell in ncl-PDF-output (example screenshot attached)

[Carl Schreck]

So it didn't make a difference in my case. I still get the lines. Here are
my debug files.

Thanks!
Carl


On Wed, Dec 7, 2016 at 8:57 AM, Carl Schreck <cjschrec at ncsu.edu> wrote:

> This is an issue I've had in the past too. Erik, did the resources Mary
> suggested fix it? If so, I'll start using them too. Thanks!
>
> Carl
>
> On Mon, Nov 28, 2016 at 11:36 AM, Mary Haley <haley at ucar.edu> wrote:
>
>> Erik,
>>
>> Thanks for providing a sample image.
>>
>> I'm not an expert on how cell fill works, but did you try *not* setting
>> cnCellFillEdgeColor or cnCellFillMissingValEdgeColor at all?
>>
>> I just tried to reproduce your problem by taking the example
>> dataonmap_11.ncl at:
>>
>> http://www.ncl.ucar.edu/Applications/plot_data_on_map.shtml#ex11
>>
>> and adding your two resource settings to it:
>>
>>         res at cnCellFillEdgeColor=-1
>>          res at cnCellFillMissingValEdgeColor=-1
>>
>> ​I also modified the plot to zoom in on an area.  I couldn't get the
>> behavior that you're seeing. I've attached the script, PNG, and data file
>> if you want to try it yourself.
>>
>> It would help if you could provide your script and data.  If you have a
>> big data file with lots of variables, then you can try setting the special
>> resource:
>>
>> varR at gsnDebugWriteFileName​ = "mary_cell_fill_issue"
>>
>> and then re-running the script. This should cause a NetCDF file called "
>> mary_cell_fill_issue.nc" to be created, with just the data required by
>> the script. It should also create a "mary_cell_fill_issue.ncl" script that
>> you can send me, that will hopefully be pared down version of your script
>> that is just the graphics, and none of the data processing.
>>
>> --Mary
>>
>>
>> On Sun, Nov 20, 2016 at 5:49 PM, Erik Jan Schaffernicht <
>> eschaffe at uni-koeln.de> wrote:
>>
>>> I attached a clearer example screenshot as some of the fine line were
>>> not visible in my first attachment (mail before).
>>>
>>>
>>> Attached, you find a screenshot of a plot produced by   ncl 6.3.0
>>> (Ubuntu 16.04.01) .
>>>
>>> There are hundreds of very fine, rectangularly-spaced, vertical and
>>> horizontal white lines, likely exactly marking the boundaries of each grid
>>> cell of my input field (a netcdf file).
>>>
>>> How can I disable these fine white lines?
>>>
>>> They appear when I use  "CellFill".
>>>
>>> Currently, I create  "PDF" output with NCL.  I also tried "PS", same
>>> problem here.
>>>
>>> Here is an extraction of the ressources I use in my ncl plot script:
>>>
>>>    varR at cnFillOn     = T ;
>>>            varR at cnFillOpacityF=1
>>>            varR at cnFillMode="CellFill"
>>>             varR at cnCellFillEdgeColor=-1
>>>             varR at cnCellFillMissingValEdgeColor=-1
>>>
>>> By the way, I figured out that, if I set the    @cnCellFillEdgeColor=
>>> to a value of 0 or 1,  all these lines become really thick and eg. of bold
>>> white or black color. This is not what I want but maybe these ressources
>>> are somehow linked to my problem/solution?
>>>
>>> I like to let all cell-edge-lines disappear in my plot, so if I set this
>>> option to    @cnCellFillEdgeColor=-1
>>> but the lines are still there (attached), they do not disappear.
>>>
>>> Any idea/help on that?
>>>
>>> Erik
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> ncl-talk mailing list
>>> ncl-talk at ucar.edu
>>> List instructions, subscriber options, unsubscribe:
>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>
>>>
>>
>> _______________________________________________
>> ncl-talk mailing list
>> ncl-talk at ucar.edu
>> List instructions, subscriber options, unsubscribe:
>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>
>>
>
>
> --
>
>
> <https://ncics.org/>
> * Cyclone <http://www.cyclonecenter.org/>*Center.org
> <http://www.cyclonecenter.org/>   *Carl J. Schreck III, PhD*
> *Research Scholar / Research **Assistant Professor*
> Cooperative Institute for Climate and Satellites NC (CICS
> <http://www.cicsnc.org/>*-NC) <http://www.cicsnc.org/> /*
> Department of Marine, Earth, and Atmospheric Sciences (MEAS)
> <https://meas.sciences.ncsu.edu/>
> North Carolina State University <http://ncsu.edu/>
> NOAA National Centers for Environmental Information (NCEI)
> <http://ncei.noaa.gov/>
> 151 Patton Ave, Asheville, NC 28801
> e: carl_schreck at ncsu.edu
> o: +1 828 257 3140
> c: +1 828 484 1702
> Publications
> <http://scholar.google.com/citations?hl=en&user=th8ONEcAAAAJ&view_op=list_works&sortby=pubdate>
> ncics.org/mjo
>



-- 


<https://ncics.org/>
* Cyclone <http://www.cyclonecenter.org/>*Center.org
<http://www.cyclonecenter.org/>   *Carl J. Schreck III, PhD*
*Research Scholar / Research **Assistant Professor*
Cooperative Institute for Climate and Satellites NC (CICS
<http://www.cicsnc.org/>*-NC) <http://www.cicsnc.org/> /*
Department of Marine, Earth, and Atmospheric Sciences (MEAS)
<https://meas.sciences.ncsu.edu/>
North Carolina State University <http://ncsu.edu/>
NOAA National Centers for Environmental Information (NCEI)
<http://ncei.noaa.gov/>
151 Patton Ave, Asheville, NC 28801
e: carl_schreck at ncsu.edu
o: +1 828 257 3140
c: +1 828 484 1702
Publications
<http://scholar.google.com/citations?hl=en&user=th8ONEcAAAAJ&view_op=list_works&sortby=pubdate>
ncics.org/mjo
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20161209/fd59447a/attachment-0001.html 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: white_lines.nc
Type: application/x-netcdf
Size: 236012 bytes
Desc: not available
Url : http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20161209/fd59447a/attachment-0001.nc 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: white_lines.ncl
Type: application/octet-stream
Size: 2292 bytes
Desc: not available
Url : http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20161209/fd59447a/attachment-0002.obj 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: white_lines.res
Type: application/octet-stream
Size: 121 bytes
Desc: not available
Url : http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20161209/fd59447a/attachment-0003.obj 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: precip.png
Type: image/png
Size: 104898 bytes
Desc: not available
Url : http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20161209/fd59447a/attachment-0001.png