how to make marker opaque

Hi,

Can anyone tell me how to make markers opaque ? I try to add some markers
on a map by gsn_polymarker_ndc.

Thanks

Ming

> Send ncl-talk mailing list submissions to
> ncl-talk@ucar.edu
>
> To subscribe or unsubscribe via the World Wide Web, visit
> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
> or, via email, send a message with subject or body 'help' to
> ncl-talk-request@ucar.edu
>
> You can reach the person managing the list at
> ncl-talk-owner@ucar.edu
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of ncl-talk digest..."
>
>
> Today's Topics:
>
> 1. Re: how to calculate seasonal means (Rob Nicholas)
> 2. Re: Panel plot NDC placement (Oliver.Fuhrer@meteoswiss.ch)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 12 Aug 2010 09:51:37 -0700
> From: Rob Nicholas <rnicholas@atmos.washington.edu>
> Subject: Re: how to calculate seasonal means
> To: ncl-talk@ucar.edu
> Message-ID:
> <AANLkTin5dmofAXzB6HH8caV6rti3kjkUbTKS1kPJd=ah@mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Vishali,
>
> I'm also not certain what you have in mind, but I'm guessing it's
> something
> like CDO's seasmean
> operator<https://code.zmaw.de/embedded/cdo/current/cdo.html#x1-3650002.8.22>,
> which computes a timeseries of three-month seasonal means
> (DJF,MAM,JJA,SON)
> from a timeseries (which could be 3-hourly, daily, monthly, whatever).
> For
> example, if you have a 10-year record of daily winds, the operator would
> reduce it to a record of 40 timesteps, each of which contains a three
> month
> mean. (BTW, I would call what Dennis is describing the "annual cycle of
> daily winds" but this may just be a function of the local dialect among
> the
> folks I work with.)
>
> I'm not aware that NCL has a comparable operator, but
> month_to_seasonN()<http://www.ncl.ucar.edu/Document/Functions/Contributed/month_to_seasonN.shtml>should
> work if you're starting with monthly data. For daily or
> higher-time-resolution data, you'll probably need to iterate through your
> timeseries, computing each three-month mean separately. How you do this
> is
> going to depend on the particular structure of of your data, the time
> format, etc.
>
> ~Rob
>
>
> --
> Robert Nicholas
> Department of Atmospheric Sciences
> University of Washington, Box 351640
> Seattle, WA 98195-1640
> rnicholas@atmos.washington.edu
> tel 206-438-3509, fax 206-543-0308
> -------------- next part --------------
> An HTML attachment was scrubbed...
> URL:
> http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20100812/e8a81b6d/attachment.html
>
> ------------------------------
>
> Message: 2
> Date: Thu, 12 Aug 2010 19:09:37 +0200
> From: <Oliver.Fuhrer@meteoswiss.ch>
> Subject: Re: Panel plot NDC placement
> To: <haley@ucar.edu>
> Cc: ncl-talk@ucar.edu, Andre.Walser@meteoswiss.ch
> Message-ID:
> <19E843D905DC46438D74D64CAF1734090B2FEE11@zueex01.meteoswiss.ch>
> Content-Type: text/plain; charset="us-ascii"
>
> Mary,
>
> Thanks for you comment. Basically I understand what you are saying. NCL
> places the panel plot into the rectangle specified by
> gsnPanel[Left/Right/Top/Bottom]. It does this by shrinking/expanding the
> plot until it fits along _both_ dimensions. This will mean that the plot
> fits snugly into the rectangle along one dimension. Along the other it
> _centers_ the plot.
>
> Now, if I decrease the size of the rectangle in one direction until it
> is the direction which constrains the size of the plot, of course it
> will be aligned on both sides. What I was looking for was a resource
> that would control the alignment along the _other_ dimension, where NCL
> up to now makes the choice of centering the plot.
>
> I hope this was somehow clear...
>
> Kind regards,
> Oli
>
>
> ________________________________________
>
> Oliver Fuhrer
> Numerical Models
>
> Federal Departement of Home Affairs FDHA
> Federal Office of Meteorology and Climatology MeteoSwiss
>
> Kraehbuehlstrasse 58, P.O. Box 514, CH-8044 Zurich, Switzerland
>
> Tel. +41 44 256 93 59
> Fax +41 44 256 92 78
> oliver.fuhrer@meteoswiss.ch
> www.meteoswiss.ch - First-hand information
>
>
>
>> -----Original Message-----
>> From: Mary Haley [mailto:haley@ucar.edu]
>> Sent: Donnerstag, 12. August 2010 18:22
>> To: Fuhrer Oliver
>> Cc: ncl-talk@ucar.edu; Walser Andre
>> Subject: Re: Panel plot NDC placement
>>
>> Hi Oli,
>>
>> By default, gsn_panel will try to plot to a full
>>
>
>
> ------------------------------
>
> _______________________________________________
> ncl-talk mailing list
> ncl-talk@ucar.edu
> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>
>
> End of ncl-talk Digest, Vol 81, Issue 17
> ****************************************
>

_______________________________________________
ncl-talk mailing list
List instructions, subscriber options, unsubscribe:
http://mailman.ucar.edu/mailman/listinfo/ncl-talk
Received on Fri Aug 13 11:17:30 2010