[gradsusr] GXyat question re. colours

[Becker, Bernd]

Arlindo,
 
you are right, this is an artifact of antialiasing
(see attached plot: the yellows are the same in contour and in legend
box)
 
So we found the cause.
 
But the plot looks no where near as impressive as the previous output
from gxyat.
 
What can we try to do about that?
Cheers,
Bernd.
 
 

--
Bernd Becker   Climate Impacts Product Development
Met Office Hadley Centre    FitzRoy Road  Exeter   Devon EX1 3PB  United
Kingdom
Tel.: +44 (0) 1392 884511 Fax: +44 (0)870 900 5050
E-mail:bernd.becker at metoffice.gov.uk - 
http://www.metoffice.gov.uk/research/our-scientists/seasonal-to-decadal/
bernd-becker
http://www.metoffice.gov.uk/news/releases/archive/2011/weather-game


 

________________________________

From: gradsusr-bounces at gradsusr.org
[mailto:gradsusr-bounces at gradsusr.org] On Behalf Of Arlindo da Silva
Sent: 22 September 2011 03:10
To: GrADS Users Forum
Subject: Re: [gradsusr] GXyat question re. colours


On Wed, Sep 21, 2011 at 7:02 AM, Becker, Bernd <
bernd.becker at metoffice.gov.uk> wrote:



	Hello,
	
	How can I force gxyat to save the colours to a gif file as
displayed on
	screen ?
	
	Please find attached 2 images,
	one created with printim (authentic colours) and one
	created with gxyat and observe, that the yellow in the contour
plot
	differs from the
	yellow in the legend.
	
	What could be the cause of that?
	
	What can I do about it?
	
	


This is strange. Possibly this is an artifact of anti-aliasing. Could
you try turning anti-aliasing off?

ga-> gxyat +a file.png

    Arlindo

 
-- 
Arlindo da Silva
dasilva at alum.mit.edu

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