[gradsusr] color scale shading

Ahmed Abdelkarim ahmed.akarim2010 at gmail.com
Fri Apr 25 14:18:03 EDT 2014


thank

I think now I  know how to fix the color shading



Ahmed







On Fri, Apr 25, 2014 at 8:01 PM, Jeff Duda <jeffduda319 at gmail.com> wrote:
> When you use 'set clevs' and 'set ccols' to create a custom color table, the
> number of entries in 'set ccols' needs to be one more than the number of
> entries in 'set clevs'.  You have 7 contour values in your 'set clevs'
> command and 9 values in your 'set ccols' command.  You should notice the
> lack of color between 0 and +0.5 rather than between -0.5 and +0.5.  The
> first value in the 'set ccols' entry will correspond to the color for all
> values below the lowest contour value specified in the 'set clevs' command.
>
> Jeff Duda
>
>
> On Fri, Apr 25, 2014 at 11:40 AM, Ahmed Abdelkarim
> <ahmed.akarim2010 at gmail.com> wrote:
>>
>> Dear Grade user
>>
>> Good eveing
>>
>>
>> I have a problem with the colors shading  to local a zero between -0.5 and
>> +0.5
>>
>> I was using it from the grads web site
>>
>> Please  could you assiste me to resolve this
>>
>>
>>
>> ** And we can plot....
>> 'set gxout shaded'
>> 'set rgb  16    0    0  255'
>> 'set rgb  17   55   55  255'
>> 'set rgb  18  110  110  255'
>> 'set rgb  19  165  165  255'
>> 'set rgb  20  220  220  255'
>>
>> * These are the RED shades
>> 'set rgb  21  255  220  220'
>> 'set rgb  22  255  165  165'
>> 'set rgb  23  255  110  110'
>> 'set rgb  24  255   55   55'
>> 'set rgb  25  255    0    0'
>>
>> *******************************************************************
>>
>> 'set clevs    -2 -1 -0.5 0  0.5 1 2   '
>> 'set ccols   17 18 19 20 0 21 22 23 24  '
>>
>>
>>
>> --
>> * Ahmed Mohamed Abdelkarim
>> PhD in Meteorology
>> Commutation & IT manager
>> Sudan Meteorological Authority (SMA)
>> Khartoum - Sudan - PO. Box 574
>>
>> *
>> _______________________________________________
>> gradsusr mailing list
>> gradsusr at gradsusr.org
>> http://gradsusr.org/mailman/listinfo/gradsusr
>
>
>
>
> --
> Jeff Duda
> Graduate research assistant
> University of Oklahoma School of Meteorology
> Center for Analysis and Prediction of Storms
>
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
>



-- 
* Ahmed Mohamed Abdelkarim
PhD in Meteorology
Commutation & IT manager
Sudan Meteorological Authority (SMA)
Khartoum - Sudan - PO. Box 574

*


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