[gradsusr] TEMPERATURE AND RH CONTOURS

Goodson,Ron [Edm] Ron.Goodson at EC.gc.ca
Wed May 8 11:13:16 EDT 2013


the maskout function will use the grid-spacing of however your grid is
defined (xdef,ydef).  So you may need to interpolate to a higher
resolution grid with a bi-linear interpolation to get rid of the
blockiness.
 
ron
 
 

________________________________

From: gradsusr-bounces at gradsusr.org
[mailto:gradsusr-bounces at gradsusr.org] On Behalf Of manu verma
Sent: May 8, 2013 2:33 AM
To: GrADS Users Forum
Subject: Re: [gradsusr] TEMPERATURE AND RH CONTOURS


no i have already used that but it is not smoothening it.

Manu



On Wed, May 8, 2013 at 12:57 PM, Mohsen Soltani
<soltani.clima at gmail.com> wrote:


	set this function to smooth the contours: 'set csmooth on'
	



	On 5/7/13, manu verma <verma.manuu at gmail.com> wrote:
	> but that shaded contours are not smooth i am sending you the
image with
	> this mail
	>
	>
	> On Tue, May 7, 2013 at 9:15 PM, Goodson,Ron [Edm]
	> <Ron.Goodson at ec.gc.ca>wrote:
	>
	>>
	>> sure you can have two shaded fields in one chart.  Obviously,
unless one
	>> is semi-transparent .. the 2nd will cover up the first.  That
may be
	>> fine if you only want to shaded some subset of the 2nd field.
For
	>> example, I have one chart with "clouds" as greyshades, and
precipitation
	>> > 0.2mm overlaid (also shaded).  So if you only want RH > 50%
shaded ..
	>> then just mask out values < 50% and plot this second.
	>>
	>> set your colour table
	>> draw your first field
	>> define your mask .. example ...   define mymask = (rh - 50%)
	>> set your new colour table
	>> draw your 2nd field .. example ... display maskout(rh,
mymask)
	>>
	>> easy peasy...
	>>
	>> ron
	>>
	>>
	>> -----Original Message-----
	>> From: gradsusr-bounces at gradsusr.org
	>> [mailto:gradsusr-bounces at gradsusr.org] On Behalf Of Mohsen
Soltani
	>> Sent: May 7, 2013 1:08 AM
	>> To: GrADS Users Forum
	>> Subject: Re: [gradsusr] TEMPERATURE AND RH CONTOURS
	>>
	>> You can't display two shaded in one chart at the same time!
one should
	>> be shaded and the other one have to be in contour lines,
respectively.
	>>
	>> However,  'set gxout contour' will produce a contour line,
and  'set
	>> gxout shaded' will produce a shaded chart.
	>>
	>> Good luck,
	>> Mohsen
	>>
	>> On 5/6/13, manu verma <verma.manuu at gmail.com> wrote:
	>> > in this we are overlaying contours on shaded i want both
shaded
	>> >
	>> >
	>> > On Mon, May 6, 2013 at 3:36 PM, Mohsen Soltani
	>> > <soltani.clima at gmail.com>wrote:
	>> >
	>> >> Dear Manu,
	>> >>
	>> >> The below script might helps you to produce a map of
shaded
	>> >> temperature in the background with R. humidity contours
overlay.
	>> >>
	>> >>
	>> >> 'sdfopen .........temperature data........nc'
	>> >> 'set grads off'
	>> >> 'set grid off'
	>> >>     'set lon .. ..'
	>> >>     'set lat .. ..'
	>> >> 'set t .....'
	>> >>
	>> >> ** please change the following, if needed****
	>> >>
	>> >> 'set gxout shaded'
	>> >>     'set vpage 0.0 11 0.0 8.5'
	>> >>     'set parea 1.0 10.20 0.60 8.0'
	>> >>     'set csmooth on'
	>> >>     'set grid off'
	>> >>     'set grads off'
	>> >>     'set xlint 10'
	>> >>     'set ylint 5'
	>> >>     'set font 1'
	>> >> 'set font 1'
	>> >>     'set cthick 6'
	>> >>
	>> >>      'set rgb 19 255 255 160'
	>> >>      'set rgb 20 255 225 120'
	>> >>      'set rgb 21 255 192 60'
	>> >>      'set rgb 22 255 160 0'
	>> >>      'set rgb 23 255 96 0'
	>> >>      'set rgb 24 255 50 0'
	>> >>      'set rgb 60 255 35 0'
	>> >>      'set rgb 25 225 20 0'
	>> >>      'set rgb 26 192 0 0'
	>> >>      'set rgb 27 165 0 0'
	>> >>      'set rgb 28 130 0 0'
	>> >>      'set rgb 29 102 0 0'
	>> >>      'set rgb 30 70 0 0'
	>> >>
	>> >>     'set rgb 40 209 228 253'
	>> >>     'set rgb 42 164 205 236'
	>> >>     'set rgb 43 125 184 227'
	>> >>     'set rgb 44 40 179 219'
	>> >>     'set rgb 45 55 146 213'
	>> >>     'set rgb 46 119 147 255'
	>> >>     'set rgb 47 36 88 255'
	>> >>     'set rgb 48 0 47 236'
	>> >>     'set rgb 49 0 37 175'
	>> >>     'set rgb 50 0 37 147'
	>> >>     'set rgb 51 0 23 117'
	>> >>     'set rgb 52 0 10 95'
	>> >>     'set rgb 53 0 5 75'
	>> >>     'set rgb 54 0 5 55'
	>> >>     'set rgb 55 0 5 35'
	>> >>     'set rgb 56 0 5 15'
	>> >>
	>> >>     'set clevs -7 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20'
	>> >>     'set ccols 48 46 45 44 43 40 0 20 21 22 23 24 25 26 27
28 29 30'
	>> >>
	>> >>     'set clab on'
	>> >>     'set xlopts 1 6 0.19'
	>> >>     'set ylopts 1 6 0.19'
	>> >>     'set mpdset mres'
	>> >>     'set rgb 95 75 75 75'
	>> >>     'set map 95 1 6'
	>> >>     'set ccolor 1 1 6'
	>> >>     'display air-273.14'
	>> >> **************************
	>> >>     'run cbarn  1 1 10.3 4.20'
	>> >>
	>> >> ***Overlay Contour****************
	>> >>
	>> >>
	>> >>     'set csmooth on'
	>> >>     'set grid off'
	>> >>     'set grads off'
	>> >>     'set clevs -7 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20'
	>> >>     'set clskip 2'
	>> >>     'set font 1'
	>> >>     'set gxout contour'
	>> >>     'set cstyle 1'
	>> >>     'set ccolor 15'
	>> >>     'set cthick 5'
	>> >>     'set clab off'
	>> >>     'set xlopts 1 6 0.19'
	>> >>     'set ylopts 1 6 0.19'
	>> >>     'set clopts 1 6 0.10'
	>> >>     'display air-273.14'
	>> >> 'set mpdset hires'
	>> >>
	>> >> ****the above will produce temperature with a shaded
backround +
	>> >> temperature contours overlay*****
	>> >>
	>> >> 'sdfopen .......R.Humidity data.......nc'
	>> >> 'set dfile 2'
	>> >> 'set t .....'
	>> >>
	>> >> **other functions may be needed, it's up to you!*****
	>> >>
	>> >> 'set gxout contour''
	>> >> 'd rhum (or what you've defined!)'
	>> >>
	>> >> 'set cmin 50' *** this function doesn't make values under
50% of Rhum
	>>
	>> >> data in the chart*****
	>> >>
	>> >> Good Luck,
	>> >> Mohsen
	>> >>
	>> >> On 5/6/13, manu verma <verma.manuu at gmail.com> wrote:
	>> >> > Dear all
	>> >> >
	>> >> > I want to make temperature and rh contours both together
on one
	>> >> > frame and both must be shaded and rh to ne grater that
50 %.
	>> >> >
	>> >> >
	>> >> > PLease help me
	>> >> >
	>> >> > Manu
	>> >> >
	>> >>
	>> >>
	>> >> --
	>> >> --
	>> >> some are weather-wise some are otherwise!
	>> >> --
	>> >> Best Wishes,
	>> >> (Mr.) Mohsen Soltani
	>> >> Climatology Grad Student (M.Sc.),
	>> >> Faculty of Geography, University of Tehran, Tehran, Iran
	>> >> Tel: (+98) 9119772934
	>> >> e-mail: soltani.clima at gmail.com
	>> >> _______________________________________________
	>> >> gradsusr mailing list
	>> >> gradsusr at gradsusr.org
	>> >> http://gradsusr.org/mailman/listinfo/gradsusr
	>> >>
	>> >
	>>
	>>
	>> --
	>> --
	>> some are weather-wise some are otherwise!
	>> --
	>> Best Wishes,
	>> (Mr.) Mohsen Soltani
	>> Climatology Grad Student (M.Sc.),
	>> Faculty of Geography, University of Tehran, Tehran, Iran
	>> Tel: (+98) 9119772934
	>> e-mail: soltani.clima at gmail.com
	>> _______________________________________________
	>> gradsusr mailing list
	>> gradsusr at gradsusr.org
	>> http://gradsusr.org/mailman/listinfo/gradsusr
	>>
	>> _______________________________________________
	>> gradsusr mailing list
	>> gradsusr at gradsusr.org
	>> http://gradsusr.org/mailman/listinfo/gradsusr
	>>
	>
	
	
	--
	--
	some are weather-wise some are otherwise!
	--
	Best Wishes,
	(Mr.) Mohsen Soltani
	Climatology Grad Student (M.Sc.),
	Faculty of Geography, University of Tehran, Tehran, Iran
	Tel: (+98) 9119772934
	e-mail: soltani.clima at gmail.com
	_______________________________________________
	gradsusr mailing list
	gradsusr at gradsusr.org
	http://gradsusr.org/mailman/listinfo/gradsusr
	


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