[gradsusr] Getting Transparent/user defined color kml poly files

[itesh dash]

Hi Jennifer,

Thank you so much for the new version and putting the functionality. It
would be really useful.

Regards,
Itesh

On Mon, Jun 20, 2016 at 11:06 PM, Jennifer M Adams <jadams21 at gmu.edu> wrote:

> Hi, Itesh —
> I added support for transparent colors in the KML output in the new
> release (version 2.1.0).
> —Jennifer
>
> On Jun 16, 2016, at 10:26 PM, itesh dash <itesh at rimes.int> wrote:
>
> Dear Bernd,
>
> Thanks. Let me try this. I will get back on this.
>
> Regards,
> Itesh
>
> On Thu, Jun 16, 2016 at 6:04 PM, Becker, Bernd <
> bernd.becker at metoffice.gov.uk> wrote:
>
>> Itesh,
>>
>>
>>
>> from an old piece of grads code, try this (untested).
>>
>>
>>
>> The lines below  produce contoured areas with symbols
>>
>> so “it looks like” a transparency plot, which still makes sense when you
>> over-plot in
>>
>> certain areas (see attached example).
>>
>>
>>
>> thresh=5
>>
>> diff=climate-case_study    # you need to define your variable to plot
>> somehwere
>>
>> define dry= const(maskout(diff,diff-'thresh'),2)'
>>
>> 'set grads off'
>>
>> 'set gxout contour'
>>
>> 'set warn off'
>>
>> 'set clopts 'colourdry' 3 1'
>>
>> 'set cstyle 1'
>>
>>
>>
>> 'set rgb 67 200  60  60'    # define any colour you like by RGB values
>>
>> colourdry=67
>>
>> 'set ccolor 'colourdry
>>
>> 'set clab off'
>>
>> 'set clevs 1'
>>
>> * define values 1 where you don't want to shade area
>>
>> * and draw one single contour in bespoke colour.
>>
>>
>>
>> 'd const(dry,1,-u)'
>>
>> * repeat!  Honestly, first time around it does not work.
>>
>> say 'set ccolor 'colourdry
>>
>> 'set ccolor 'colourdry
>>
>> 'set clab off'
>>
>> 'set clevs 1'
>>
>> 'd const(dry,1,-u)'
>>
>>
>>
>> *From:* gradsusr-bounces at gradsusr.org [mailto:
>> gradsusr-bounces at gradsusr.org] *On Behalf Of *itesh dash
>> *Sent:* 16 June 2016 10:47
>> *To:* GrADS Users Forum
>> *Subject:* [gradsusr] Getting Transparent/user defined color kml poly
>> files
>>
>>
>>
>> Dear All,
>>
>>
>>
>> I am trying to export the rainfall output  to kml file to be able to plot
>> in google map. I could do it easily with the set gxout kml with the -poly
>> option.
>>
>>
>>
>> The issue is, I want to set a transparent color or user defined color for
>> the contours instead of the standard color. Though I can change the color
>> codes manually, its not feasible for a large file. Can anybody help me on
>> this.
>>
>>
>>
>> What I could fine from the forum is this
>>
>>
>>
>> http://gradsusr.org/pipermail/gradsusr/2011-September/031100.html
>>
>>
>>
>> Which is not very clear how to set the transparency or use define color.
>>
>>
>>
>> Regards,
>>
>> Itesh
>>
>>
>>
>>
>>
>> _______________________________________________
>> gradsusr mailing list
>> gradsusr at gradsusr.org
>> http://gradsusr.org/mailman/listinfo/gradsusr
>>
>>
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>
> --
> Jennifer Miletta Adams
> Center for Ocean-Land-Atmosphere Studies (COLA)
> George Mason University
>
>
>
>
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