Re: Integer axis marker

On Jan 11, 2010, at 8:23 AM, Li, Yongzuo wrote:

> Mary,
>
> Do you mean res@tmYLFormat = "f" will produce
> axis marker without decimal?
>
> I do not want to have float with decimal.
>

That is correct. If you have "385.0", it will turn it into "385".

If you have "385.5", however, it will stay "385.5".

--Mary

> Thanks.
>
> Yongzuo
> ________________________________________
> From: Mary Haley [haley@ucar.edu]
> Sent: Monday, January 11, 2010 9:03 AM
> To: Li, Yongzuo
> Cc: ncl-talk@ucar.edu
> Subject: Re: ncl-talk Digest, Vol 74, Issue 25
>
> Hi Yongzuo,
>
> In the future, if you post to ncl-talk, would you change the subject
> so that it includes a more meaningful subject, other than "ncl-talk
> Digest". This especially helps when we archive the messages.
>
> To get integers on your Y axis, you need to use the tmYLFormat
> resource. Dave Brown created a nice example awhile back, showing how
> to use different formats. See example 8 at:
>
> http://www.ncl.ucar.edu/Applications/tickmarks.shtml#ex8
>
> In your case, I believe you want:
>
> res@tmYLFormat = "f"
>
> --Mary
>
> On Jan 11, 2010, at 7:35 AM, Li, Yongzuo wrote:
>
>> Hi,
>>
>> How can the axis tick marker be defined as integer for gsn_xy plot?
>> I got 980.0 982.0 ... on y-axis. I just want to have 980 , 982 on
>> y-axis.
>>
>> Thanks.
>>
>> Yongzuo
>> ________________________________________
>> From: ncl-talk-bounces@ucar.edu [ncl-talk-bounces@ucar.edu] on
>> behalf of ncl-talk-request@ucar.edu [ncl-talk-request@ucar.edu]
>> Sent: Sunday, January 10, 2010 7:54 PM
>> To: ncl-talk@ucar.edu
>> Subject: ncl-talk Digest, Vol 74, Issue 25
>>
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>> Today's Topics:
>>
>> 1. Re: subtraction function (jwsmith@ucar.edu)
>> 2. Re: Y-axis label and values (kalim ullah)
>>
>>
>> ---------------------------------------------------------------------
>> -
>>
>> Message: 1
>> Date: Sun, 10 Jan 2010 14:25:47 -0700
>> From: jwsmith@ucar.edu
>> Subject: Re: subtraction function
>> To: Dennis Shea <shea@ucar.edu>
>> Cc: ncl-talk <ncl-talk@ucar.edu>
>> Message-ID: <20100110142547.2kd3llso9w48k44c@web3.acd.ucar.edu>
>> Content-Type: text/plain; charset=UTF-8; DelSp="Yes";
>> format="flowed"
>>
>> co(Time, bottom_top, south_north, west_east)
>>
>>
>> I want to take a ten - day average of co at 12z. I then want to
>> subtract this average from the individual 12 z time in that period.
>> This will be the anamolous field. I want to make a vertical cross
>> section of the anamolies.
>>
>> When I did the subtraction in nco using ncbo and ncdiff. The
>> difference of co was taken, but it also seems to have taken the
>> difference of the XLAT and XLON. I think this happened because co
>> is a
>> variable with lat/lon (bottom_top) coordinates, (I could be
>> misinterpreting the use of ncdiff and ncbo).
>>
>> Hencem I was asking if the subtraction could be done in ncl. I
>> hope I
>> have provided more clarity this time.
>>
>> Thanks,
>> Jonathan
>>
>>
>> Quoting Dennis Shea <shea@ucar.edu>:
>>
>>> I agree with Huang. It is not clear what you want to do.
>>> It does sound like conform is what ou need.
>>>
>>> If you have:
>>>
>>> x3(Times,lat,lon) and xBase(lat,lon)
>>>
>>> xDiff = x3 - conform(x3, xBase, (/1,2/) )
>>> copy_VarMeta(x3, xDiff)
>>>
>>> http://www.ncl.ucar.edu/Document/Functions/Built-in/conform.shtml
>>>
>>> Good Luck
>>>
>>> ph0007@ustc.edu wrote:
>>>> Hi, Jonathan
>>>>
>>>> I'm not really sure what you want to do. I guess the function
>>>> "conform"
>>>> could help you.
>>>>
>>>> Please see the document about details.
>>>>
>>>> Huang Ping
>>>>
>>>>
>>>> 2010-01-10
>>>> -------------------------------------------------------------------
>>>> -
>>>> ----
>>>> -------------------------------------------------------------------
>>>> -
>>>> ----
>>>> *????* jwsmith
>>>> *?????* 2010-01-10 13:16:56
>>>> *????* ncl-talk
>>>> *???*
>>>> *???* [ncl-talk] subtraction function
>>>> Hello ncl
>>>> I see that there is a sum function in ncl. Is there a subtraction
>>>> fuction? I need to subtract a wrfout that contains the average of
>>>> fields from an single wrf model time. The ncbo and ncdiff
>>>> functions
>>>> in nco did not work because the files contain lat/lon
>>>> coordinates. Is
>>>> it possible to something like this in ncl?
>>>> Jonathan
>>>> Jonathan Wynn Smith
>>>> Doctoral Student in Howard University
>>>> Program in Atmospheric Sciences (HUPAS)
>>>> 2008 ASP Graduate Student Visitor
>>>> 2006 ASP Summer Colloquium Participant
>>>> 408 Thirkield Building
>>>> 2355 6th St. NW
>>>> Washington, DC 20059
>>>> E-mail: jw_smith@howard.edu or jwsmith9@gmail.com
>>>> Cell Phone: 336-601-4563
>>>> ----------------------------------------------------------------
>>>> This message was sent using IMP, the Internet Messaging Program.
>>>> _______________________________________________
>>>> ncl-talk mailing list
>>>> List instructions, subscriber options, unsubscribe:
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>>>>
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>>>> -
>>>> ----
>>>>
>>>> _______________________________________________
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>>>
>>>
>>>
>>
>>
>>
>> Jonathan Wynn Smith
>>
>> Doctoral Student in Howard University
>> Program in Atmospheric Sciences (HUPAS)
>> 2008 ASP Graduate Student Visitor
>> 2006 ASP Summer Colloquium Participant
>>
>> 408 Thirkield Building
>> 2355 6th St. NW
>> Washington, DC 20059
>>
>> E-mail: jw_smith@howard.edu or jwsmith9@gmail.com
>> Cell Phone: 336-601-4563
>>
>> ----------------------------------------------------------------
>> This message was sent using IMP, the Internet Messaging Program.
>>
>>
>>
>> ------------------------------
>>
>> Message: 2
>> Date: Sun, 10 Jan 2010 17:54:09 -0800 (PST)
>> From: kalim ullah <kalimrid@yahoo.com>
>> Subject: Re: Y-axis label and values
>> To: Mary Haley <haley@ucar.edu>
>> Cc: ncl-talk@ucar.edu
>> Message-ID: <275943.50743.qm@web53708.mail.re2.yahoo.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Dear Mary, thanks alot for your kind help.
>> regrads,
>> kalim
>>
>> --- On Fri, 1/8/10, Mary Haley <haley@ucar.edu> wrote:
>>
>>
>> From: Mary Haley <haley@ucar.edu>
>> Subject: Re: Y-axis label and values
>> To: "kalim ullah" <kalimrid@yahoo.com>
>> Cc: ncl-talk@ucar.edu
>> Date: Friday, January 8, 2010, 7:21 AM
>>
>>
>> Dear?
>>
>> Kalim,
>>
>>
>> You can use ut_calendar to convert your time coordinate values to
>> something more manageable, like years, months, and days, and then
>> you can use these arrays to determine which part of the Y axis you
>> want to label.
>>
>>
>> I changed your script to show how you might label the first day of
>> every month. You can modify this to label the midpoint of every
>> month, using the days_in_month calendar as you did before. You'll
>> still want to use ut_calendar so you can retrieve the months and
>> days.
>>
>>
>> You can use this same method to determine where you want minor tick
>> marks.
>>
>>
>> --Mary
>>
>>
>>
>>
>>
>> On Jan 6, 2010, at 8:19 PM, kalim ullah wrote:
>>
>>
>>
>>
>>
>>
>> Dear Mary,
>> Thanks a lot for spending your precious time on my problem.?I think
>> you are right my time coordinate array may be wrong. When I ignore
>> the (res@tmYLMode = "Explicit?) it works and the label appear on Y-
>> axis like (1779600- 1780200) but I don?t know how to convert it
>> into days and month label? ?So, for your conveyance my plot, NCEP
>> data file and zAvgTime print report is attached given below. Your
>> guidance in this regard will be appreciated.
>> thanks
>> kalim
>> *****************************
>> Variable: z
>> Type: float
>> Total Size: 10828800 bytes
>> 2707200 values
>> Number of Dimensions: 3
>> Dimensions and sizes: [time | 150] x [lat | 94] x [lon | 192]
>> Coordinates:
>> time: [1779456..1780350]
>> lat: [88.542..-88.542]
>> lon: [ 0..358.125]
>> Number Of Attributes: 18
>> long_name : 6-hourly Mean of Latent Heat Net Flux at Surface
>> unpacked_valid_range : ( -2420, 2420 )
>> actual_range : ( -667.2, 1884.8 )
>> units : W/m^2
>> _FillValue : -32767
>> precision : 1
>> least_significant_digit : 0
>> GRIB_id : 121
>> GRIB_name : LHTFL
>> var_desc : Latent Heat Net Flux
>> dataset : NCEP/DOE AMIP-II Reanalysis (Reanalysis-2)
>> level_desc : Surface
>> statistic : Mean
>> parent_stat : Individual Obs
>> standard_name : surface_upward_latent_heat_flux
>> cell_methods : time: mean
>> valid_range : ( -2420, 2419.9 )
>> missing_value : -32767
>> ?
>> Variable: zAvgTime
>> Type: float
>> Total Size: 115200 bytes
>> 28800 values
>> Number of Dimensions: 2
>> Dimensions and sizes: [time | 150] x [lon | 192]
>> Coordinates:
>> time: [1779456..1780350]
>> lon: [ 0..358.125]
>> Number Of Attributes: 19
>> missing_value : -32767
>> valid_range : ( -2420, 2419.9 )
>> cell_methods : time: mean
>> standard_name : surface_upward_latent_heat_flux
>> parent_stat : Individual Obs
>> statistic : Mean
>> level_desc : Surface
>> dataset : NCEP/DOE AMIP-II Reanalysis (Reanalysis-2)
>> var_desc : Latent Heat Net Flux
>> GRIB_name : LHTFL
>> GRIB_id : 121
>> least_significant_digit : 0
>> precision : 1
>> _FillValue : -32767
>> units : W/m^2
>> actual_range : ( -667.2, 1884.8 )
>> unpacked_valid_range : ( -2420, 2420 )
>> long_name : 6-hourly Mean of Latent Heat Net Flux at Surface
>> average_op_ncl : dim_avg over dimension: lat
>> --- On Wed, 1/6/10, Mary Haley <haley@ucar.edu> wrote:
>>
>>
>>
>> ?
>> If these values are not in the range of 0.0 to 144.8, then this is
>> what your problem is.
>>
>>
>>
>>
>>
>> --Mary
>>
>>
>>
>> On Jan 5, 2010, at 7:50 PM, kalim ullah wrote:
>>
>>
>>
>>
>>
>>
>> Dear Mary, thanks for your response. Actually, I want to plot as
>> example (hov_7.ncl:) but after some mudification I got the?figure?
>> without label(i.e.month names) on y-axis?,so my plot is attached
>> herewith.
>> thanks
>> kalim
>> --- On Tue, 1/5/10, Mary Haley <haley@ucar.edu> wrote:
>>
>>
>> From: Mary Haley <haley@ucar.edu>
>> Subject: Re: Y-axis label and values
>> To: "kalim ullah" <kalimrid@yahoo.com>
>> Cc: ncl-talk@ucar.edu
>> Date: Tuesday, January 5, 2010, 8:59 AM
>>
>>
>>
>>
>> Kalim,
>>
>>
>> If your tickmark labels are not showing up in "explicit" mode, then
>> usually the problem is that the tickmark values you're using are
>> not within the range of your axis values.
>>
>>
>> Since I can't run your script, I'm not sure what your Y axis values
>> are. ?You need to look at the arrays zAvgTime&time and major_ticks
>> and make sure they are in the same data space.
>>
>>
>> major_ticks should be set to values that are within the range of
>> your time values.
>>
>>
>> --Mary
>>
>>
>> On Jan 4, 2010, at 7:09 PM, kalim ullah wrote:
>>
>>
>>
>>
>>
>>
>>
>> Dear NCL Users,
>> I?m trying to plot time vs lon figure but after plotting there is
>> no Y-axis labels and values appear and also no error. Please could
>> you help me in this regard? My script is attached given below:
>> Thanks in advance
>> kalim
>> ******************************
>> ?load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>> ?load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
>> ?load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
>> ?
>> ?begin
>> ;=============================================
>> ; data processing
>> ;=============================================
>> ?? f = addfile("lhtfl.sfc.gauss.2007.nc","r")
>> ?? z = short2flt(f->lhtfl(0:149,:,:))???? ;AUG(1-5)
>> ?? printVarSummary(z)
>> ?? zAvgTime = dim_avg_Wrap(z(time|:,lon|:,{lat|0:40}))
>> ?? printVarSummary(zAvgTime)
>> ?
>> ?? wks? = gsn_open_wks ("x11", "hov" )
>> ?? gsn_define_colormap(wks,"BlAqGrYeOrRe")
>> ?? ;*******************************
>> ?? res??????????? = True????????????????????????
>> ?? res@cnFillOn????????????? = True?
>> ?? months????? = (/1,? 2,??? 3,?? 4,?? 5/)?? ???
>> ?? years?????? = (/2007,2007,2007,2007,2007/)
>> ?? tk_per_mon? = 5 ; Tickmarks per month.
>> ?? nmonths???? = dimsizes(months)
>> ?? ndays?????? = nmonths * tk_per_mon
>> ?
>> ?? day_in_mon? = new(nmonths,float)?????????? ; Number of days in
>> each month
>> ?? do i=0,nmonths-1
>> ?? day_in_mon(i) = days_in_month(years(i),months(i))*1.
>> ?? end do
>> ?
>> ?? major_ticks = new(ndays,float)??? ; Array to hold major tickmark
>> values.
>> ?? imonth????? = 0
>> ?? days_accum? = 0.
>> ?? ii4???????? = ispan(1,4,1)*1.
>> ?? do i=0,ndays-1,5
>> ?? major_ticks(i) = days_accum
>> ?? major_ticks(i+1:i+4) = major_ticks(i) + ii4*(day_in_mon(imonth)/
>> tk_per_mon)
>> ?? days_accum???? = days_accum + day_in_mon(imonth)
>> ?? imonth = imonth + 1
>> ?? end do
>> ?? ;*********************************
>> ?? res@cnLinesOn??????? ?????= False
>> ?? res@gsnSpreadColors?????? = True
>> ?? res@cnLevelSelectionMode = "ManualLevels"
>> ?? res@cnMinLevelValF?????? = -10.?????????????? ; min level
>> ?? res@cnMaxLevelValF?????? =? 100.?????????????? ; max leve
>> ?? res@lbOrientation???????? = "Vertical"
>> ?? res@gsnLeftString???????? = "Latent Heat Net Flux(W/m^2)"
>> ?? res@gsnRightString?????? = ""
>> ?? res@tmYLMode?????????? = "Explicit"???????? ; Define own tick
>> mark labels.
>> ?? res@tmYLMinorValues??? = major_ticks(0:ndays-1:5)
>> ?? res@tmYLValues???????? = major_ticks
>> ?? res@tmYLLabels???????? = new(ndays,string)
>> ?? res@tmYLLabels(:)???? = ""
>> ?
>> ; Label mid tickmark with the month label.
>> ?? res@tmYLLabels(3::5)? = (/"JAN", "FEB", "MAR", "APR", "MAY"/)
>> ?
>> ?? res@tmYLMinorOutwardLengthF = 0.02??? ; Increase length and
>> size of
>> ?? res@tmYLMinorLengthF??????? = 0.02??? ; minor tickmarks
>> ?? res@tmYLMinorThicknessF???? = 2.0
>> ?? res@tmYLMajorOutwardLengthF = 0.01
>> ?? res@tmYLMajorLengthF??????? = 0.01
>> ?? plot = gsn_csm_hov(wks, zAvgTime(:,{30:120}) , res )
>> ?? end
>>
>> _______________________________________________
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>> <hov.pdf>
>>
>> <Lhov3.pdf><lhtfl.sfc.gauss.2007.nc>
>>
>>
>>
>>
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Received on Mon Jan 11 08:56:54 2010