Re: missing data - interpolation

Hi Mary,

setting cnRasterSmoothingOn did not help around the coastline, but I will
keep this resource in mind for my higher resolution data files.

Thank you.

On Fri, Oct 31, 2008 at 9:40 AM, Mary Haley <haley_at_ucar.edu> wrote:

>
>
> Hi Micah,
>
> Does setting res_at_cnRasterSmoothingOn = True help at all?
>
>
> http://www.ncl.ucar.edu/Document/Graphics/Resources/cn.shtml#cnRasterSmoothingOn
>
> --Mary
>
>
> On Thu, 30 Oct 2008, Micah Sklut wrote:
>
> Hi All,
>>
>> I am working with ocean data, and when I use the cnFillMode=AreaFill for
>> my
>> contour maps, I get a jagged boxed coastline around the coastlines, due to
>> the missing data.
>> When, I use cnFillMode=RasterFill, then the grids match up to the
>> coastline
>> pretty well, but I would much rather have smooth contour lines with the
>> AreaFill.
>>
>> The AreaFill jagged looking data around the coastline is not too
>> aesthetically pleasing, so I was wondering if you have thoughts about
>> working around this.
>>
>> In the past I created my own interpolation function, but this required me
>> to
>> manually hand pick out the missing data grids I wanted to interpolate so
>> that the contours would go all the way past the coastline. This is very
>> time
>> consuming! The map draw is PostFill so it will cover up any data
>> underneath
>> the land.
>>
>> Is it possible to just be able to interpolate all the missing data?
>>
>> Or, what if we could use AreaFill, but then RasterFill for areas that are
>> surrounded by missing dat?
>>
>> Please let me know if you have any ideas.
>>
>> Thanks!
>>
>> Micah
>>
>>
Received on Fri Oct 31 2008 - 12:12:40 MDT