[ncl-talk] About the represent of minor large value in raster fill?

[Tao Lu]

Hello Rick

I set data < 200 as missing data and plot missing data as black.
I plot the data (>200) marker on the contour.

Here is the graph
[image: Inline image 1]
The data is actually there, but it is not plotted as raster contour.

Thank you for your reply.
Tao

On Fri, Jan 20, 2017 at 11:03 PM, Rick Brownrigg <brownrig at ucar.edu> wrote:

> Hi Tao,
>
> Do you know where this outlier occurs?  Its seems to me it is entirely
> possible that it is getting drawn, but overwritten by subsequent,
> overlapping points.  To test this, you might set your min bounds to
> something like 200 rather than 40, and enlarge the marker size (via
> gsMarkerSizeF resource).
>
> If that's the case, I'm not sure what to suggest other than sort your data
> smallest to largest, assuming you want to emphasize the larger values.
>
> Hope that helps...
> Rick
>
> On Thu, Jan 19, 2017 at 8:31 PM, Tao Lu <hakufu.asano at gmail.com> wrote:
>
>> Dear ncl-talk
>>
>> I have a set of data to plot raster contour.
>> Th range of data value is (0, 220)
>> Part of the data is shown as below:
>>  [image: Inline image 4]
>> As you see the number of large value is few.
>>
>> The number of data (>210) is 1
>> When I do raster fill contour, I found the data (>210) is not show in
>> graph.
>> [image: Inline image 1]
>>
>> For easy to see,
>> I set data < 40 as missing value and do raster plot.
>> The data set will be min=41   max=220
>> And the graph is:
>> [image: Inline image 2]
>> Zoom in:
>> [image: Inline image 3]
>> No data (>210) is plotted.
>>
>> Does anyone know why the data(>210) is not plotted?
>>
>> If you need other information, please contact me.
>>
>> Thank you
>> Tao
>>
>>
>> --
>> ******************************************************
>> Tao Lu    (M. Eng)
>> Laboratory of River Engineering and Hydrology,
>> Dept. of Civil and Environmental Engineering,
>> Graduate School of Science and Engineering,
>> Chuo University
>>
>> 1-13-27,Kasuga,Bunkyo-ku,Tokyo
>> 112-8551, Japan
>> TEL: 03-3817-1805;   Phone: 070-2188-7509
>> Email1: hakufu.asano at gmail.com <mail%3Amet.yamos at gmail.com>
>> Email2: lutao at civil.chuo-u.ac.jp <mail%3Ayamoto at civil.chuo-u.ac.jp>
>> *****************************************************
>>
>> _______________________________________________
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>>
>


-- 
******************************************************
盧 涛 (ル タオ) 修士課程2年

〒112-8551 東京都文京区春日1-13-27

中央大学理工学研究科都市環境学専攻

河川・水文研究室（山田正教授）


TEL: 03-3817-3406;   Phone: 070-2188-7509
Email1: hakufu.asano at gmail.com <mail%3Amet.yamos at gmail.com>
Email2: lutao at civil.chuo-u.ac.jp <mail%3Ayamoto at civil.chuo-u.ac.jp>
*******************************************************
******************************************************
Tao Lu    (M. Eng)
Laboratory of River Engineering and Hydrology,
Dept. of Civil and Environmental Engineering,
Graduate School of Science and Engineering,
Chuo University

1-13-27,Kasuga,Bunkyo-ku,Tokyo
112-8551, Japan
TEL: 03-3817-1805;   Phone: 070-2188-7509
Email1: hakufu.asano at gmail.com <mail%3Amet.yamos at gmail.com>
Email2: lutao at civil.chuo-u.ac.jp <mail%3Ayamoto at civil.chuo-u.ac.jp>
*****************************************************
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