[ncl-talk] Transparency

[Rick Brownrigg]

Ah...in that case, until your admins upgrade the cluster, you might try
using "oldpdf" as the workstation type (assuming you are not using other
advanced color features --- i.e., sticking with the traditional workstation
colormap, etc).

Hope that helps...
Rick

On Wed, Dec 3, 2014 at 4:02 PM, jbuzan <jbuzan at purdue.edu> wrote:

> Hi Rick,
>
> I never specified anything about the background in my scripts.  However,
> when the cluster switched to NCL6, I lost the transparency for the
> backgrounds of pdf figures.
> I’ll ask my cluster about NCL6.2.1.
>
> -Jonathan
>
>
>
> On Dec 3, 2014, at 5:32 PM, Rick Brownrigg <brownrig at ucar.edu> wrote:
>
>
> OK, your script fragment looks good   However, based upon the times at
> which wkBackgroundOpacity was implemented versus the dates of NCL release,
> it looks like this resource would have been first made broadly available in
> 6.2.0.   6.2.1 is the most recent NCL version.   Is it possible for you to
> upgrade?
>
> And given that, I'm not sure what would have changed between 5.x.x and
> 6.1.x that made transparent backgrounds unattainable (how did you specify
> that?)
>
> Rick
>
> On Wed, Dec 3, 2014 at 3:16 PM, jbuzan <jbuzan at purdue.edu> wrote:
>
>> I’m using NCL6.1.0.
>>
>> I call the wkstype as a environment variable:
>> wkstype = getenv("WKSTYPE”)
>> wkstype at wkBackgroundOpacityF = 0.0
>> wks = gsn_open_wks(wkstype, outputfile)
>>
>> warning:wkBackgroundOpacityF is not a resource in the given object
>>
>> -Jonathan
>>
>>
>>
>> On Dec 3, 2014, at 4:13 PM, Rick Brownrigg <brownrig at ucar.edu> wrote:
>>
>> Hi Jonathan,
>>
>> Just to be clear, wk* resources are passed into the workstation at the
>> time it is created:
>>
>>     wkstype = "pdf"
>>     wkstype at wkBackgroundOpacityF = 0.0
>>     wks = gsn_open_wks(wkstype, "myPlotName")
>>
>> Is that what you've tried?  I also forget when this resource was
>> introduced, but its a relatively new feature, so the latest NCL version may
>> be needed.
>>
>> Rick
>>
>>
>> On Wed, Dec 3, 2014 at 1:00 PM, jbuzan <jbuzan at purdue.edu> wrote:
>>
>>> Hello NCL-talk,
>>>
>>> I am attempting to make the background on my plots transparent.
>>> However, I believe I am using the wrong resource.
>>>
>>> res at cnMissingValFillPattern = “transparent”
>>> wkstype at wkBackgroundOpacityF = 0.0
>>>
>>> both give me warnings and do not make the background transparent.
>>>
>>> I used to be able to have backgrounds transparent in NCL 5.  NCL 6 does
>>> not have this feature (or at least it is not default).
>>>
>>> -Jonathan
>>>
>>> _______________________________________________
>>> ncl-talk mailing list
>>> List instructions, subscriber options, unsubscribe:
>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>
>>
>>
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20141203/bfa356d6/attachment.html