[gradsusr] cannot change yinterval of hovmoller plot

[Lyndz]

Hi Sir Jeff,

Thank you for the suggestion. I am using the set yaxis option now.

I guess setting the ylabels manually is the only way to solve this.


Sincerely,


*Lyndon Mark P. Olaguera*
PhD Student
Laboratory of Climatology
Department of Geography
Faculty of Urban Environmental Science
Minami-Osawa Campus
Tokyo Metropolitan University
Hachioji Tokyo, Japan


On Sat, Jan 27, 2018 at 2:10 PM, Jeff Duda <jeffduda319 at gmail.com> wrote:

> Lyndon,
> I suspect this rule in the documentation for ylint explains your issue:
>
> 6. This command does not apply to a date/time axis.
>
> With that in mind, also consider these questions:
> 1) What is the interval between time units in the data file? The units for
> time say "hours since 1800-1-1 00:00:00" so if the interval is like 1 hour,
> then changing the y-axis tick interval from 5 hours to 10 hours, for
> example, is likely not going to change the locations of the tick marks much
> nor their labels.
> 2) If (1) doesn't help, have you tried using 'set yaxis' instead?
>
> Jeff Duda
>
> On Fri, Jan 26, 2018 at 7:40 AM, Lyndz <olagueralyndonmark429 at gmail.com>
> wrote:
>
>> Dear GrADS experts,
>>
>>
>> I am trying to modify the interval of the y-axis in the attached
>> time-longitude plot.
>>
>> [1] I tried to change the 'set ylint' line in my script but *the label
>> interval does not change*. The current interval remains at 5 even if I
>> change the ylint to say, 10.
>>
>> [2] Is there a way to increase the number of tick marks on the y-axis?
>>
>>
>> I'll appreciate any suggestion on how to do this correctly.
>>
>>
>> Here's the script:
>>
>> 'sdfopen bpass_aug9_sep7_30-60filt_1994-2008.nc'
>> 'set display color white'
>> 'c'
>> 'set mpdset hires'
>> 'set grid on'
>> 'set grads off'
>> 'set parea 1.5 8 2 10.5'
>> 'set font 1'
>> 'set xlopts 1 5 0.2'
>> 'set xlint 10'
>>
>> *'set ylint 10'*
>>
>> 'set ylopts 1 5 0.2'
>> 'set lon 100 180'
>> 'set gxout shaded'
>> 'set tlsupp year'
>>
>> 'set t 1 84'
>> 'define var=ave(xbpf,lat=10,lat=20)'
>> 'color -10 10 1 -kind mediumblue->royalblue->cornflo
>> werblue->white->khaki->orange->red'
>> 'set y 1'
>> 'd var'
>> 'xcbar 1.5 8 1 1.25 -line on -fs 2 -fh 0.18 -fw 0.18'
>>
>> **********************************************************
>> *Overlay contours
>> **********************************************************
>>
>> 'set gxout contour'
>> 'set ccolor 1'
>> 'set cint 1'
>> 'set clab forced'
>> 'd var'
>> *'set line 4 1 1'
>> *'draw line 1 10 5 5'
>>
>> 'printim hov_plot.png'
>> 'quit'
>>
>>
>> Here's the detail of the file:
>>
>> netcdf bpass_aug9_sep7_30-60filt_1994-2008 {
>> dimensions:
>> lon = 144 ;
>> lat = 73 ;
>> time = UNLIMITED ; // (92 currently)
>> variables:
>> float lon(lon) ;
>> lon:standard_name = "longitude" ;
>> lon:long_name = "longitude" ;
>> lon:units = "degrees_east" ;
>> lon:axis = "X" ;
>> float lat(lat) ;
>> lat:standard_name = "latitude" ;
>> lat:long_name = "latitude" ;
>> lat:units = "degrees_north" ;
>> lat:axis = "Y" ;
>> double time(time) ;
>> time:standard_name = "time" ;
>> time:long_name = "Time" ;
>> time:units = "hours since 1800-1-1 00:00:00" ;
>> time:calendar = "standard" ;
>> time:axis = "T" ;
>> float xBPF(time, lat, lon) ;
>> xBPF:long_name = "Lanczos Bpassfilt" ;
>> xBPF:units = "W m-2" ;
>> xBPF:_FillValue = 32766.f ;
>> xBPF:missing_value = 32766.f ;
>> xBPF:wgt_runave_op_ncl = "wgt_runave_n" ;
>>
>>
>> Sincerely,
>>
>> *Lyndon Mark P. Olaguera*
>> PhD Student
>> Laboratory of Climatology
>> Department of Geography
>> Faculty of Urban Environmental Science
>> Minami-Osawa Campus
>> Tokyo Metropolitan University
>> Hachioji Tokyo, Japan
>>
>>
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>> gradsusr at gradsusr.org
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>>
>>
>
>
> --
> Jeff Duda, Research Scientist
>
> University of Colorado Boulder
>
> Cooperative Institute for Research in Environmental Sciences
>
> NOAA/OAR/ESRL/Global Systems Division
> Boulder, CO
>
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>
>
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