[gradsusr] [non-nasa source] Re: Plotting daily average
Saunders, Emily (GSFC-610.1)[SCIENCE SYSTEMS AND APPLICATIONS INC]
emily.saunders at nasa.gov
Thu Apr 25 10:55:19 EDT 2019
Hi Jennifer,
I made the changes to the ctl file and it was able to open, but the script crashed when I tried to plot
Data Request Warning: Request is completely outside file limits
Low Level I/O Error: Read error on data file
Data file name = /nfs3m/archive/sfa_cache04/users/g00/esaunde2/grads_scripts/scripts/GEOS_CF_Total/All_Species/dailymean_totcolco_2018.dat
Error reading 5760 bytes at location 143654400
Here is the script that I used to create the daily means:
'set time 'begintime' 'endtime
'set z 1'
'set lon 0'
'set lat 0'
'cons = 2.687e+20/6.022e+23*48/1.0e+12'
'areaavg = tloop(aave(totcol_co,lon=0,lon=360,lat=-90,lat=90))'
'define tseries = cons*areaavg*510.1*1000000000000'
'set fwrite -ap dailymean_co_2018.dat'
'!/bin/rm -f dailymean_co_2018.dat'
'set gxout fwrite'
t = begintime
while (t<endtime)
'set time 't
'd ave(tseries, time='d_start''timestring', time='d_end''timestringI')'
* t = t+24
endwhile
'disable fwrite'
begintime = start date (i.e. 20180101)
endtime = end date (i.e. 20180131)
timestring = 20180101
timestringI = 20180131
I am not sure if the script is actually creating the daily means and how would I know that means were created for each day.
Thanks,
Emily
On 4/25/19, 10:38 AM, "gradsusr on behalf of Adams, Jennifer M. (GSFC-610.2)[ADNET SYSTEMS INC]" <gradsusr-bounces at gradsusr.org on behalf of jennifer.m.adams at nasa.gov> wrote:
Hi, Emily --
Remove 'lon' from your XDEF entry, remove 'lat' from your YDEF entry, and remove 'time' from your TDEF entry. You will need to add entries 'ZDEF 1 linear 1 1' and 'UNDEF -9.99e8 and also a variable declaration 'varname 0 99 var description'. Then use the 'open' command instead of 'xdfopen'.
--Jennifer
--
Jennifer Miletta Adams
ADNET Systems, Inc.
NASA/GSFC, Code 610.2
Building 32, Room S159
(301) 614-6070
On 4/25/19, 9:51 AM, "gradsusr on behalf of Saunders, Emily (GSFC-610.1)[SCIENCE SYSTEMS AND APPLICATIONS INC]" <gradsusr-bounces at gradsusr.org on behalf of emily.saunders at nasa.gov> wrote:
Hi Jennifer,
I have a couple questions about your approach to create the daily means. I created a script that would create the daily means for all days in 2018, but I am unsure how to use the dailymean.dat file when creating the plot. I tried adding the .dat file to a ctl file, but I received the following error message:
"Error: nc_open failed to open file /nfs3m/archive/sfa_cache04/users/g00/esaunde2/grads_scripts/scripts/GEOS_CF_Total/All_Species/dailymean_totcolco_2018.dat
NetCDF: Unknown file format
gadsdf: Couldn't ingest SDF metadata.
SDF Descriptor file GEOS_CF_hindcast_tavg1_2d_xgc_Nx_daily_totcolco.ctl was not successfully opened & parsed."
Here is the format of the ctl file including the .dat file
"Dset/nfs3m/archive/sfa_cache04/users/g00/esaunde2/grads_scripts/scripts/GEOS_CF_Total/All_Species/dailymean_totcolco_2018.dat
TITLE Daily Mean totcol_co Jan012018
XDEF lon 1440 LINEAR -180.0 0.25
YDEF lat 721 LINEAR -90.0 0.25
TDEF time 9000 LINEAR 00:30z01JAN2018 1hr"
Is there a particular format to use when adding a .dat file to a ctl file or do I have to convert the .dat file to a netcdf format.
Thanks for your help in advance.
Emily
On 3/4/19, 4:45 PM, "gradsusr on behalf of Adams, Jennifer M. (GSFC-610.2)[ADNET SYSTEMS INC]" <gradsusr-bounces at gradsusr.org on behalf of jennifer.m.adams at nasa.gov> wrote:
Hi, Emily --
If you want to convert a dataset that is hourly to one that is daily, you need to use fwrite (or sdfwrite) to build it explicitly. This is a bare-bones outline for what you need to do, my syntax is not guaranteed to work:
tbeg=1
tend=365
'set t 'tbeg' 'tend
areaavg = tloop(aave(var,g)) ;* define your hourly area average time series first, so you do the I/O only once
'set fwrite -ap dailymean.dat'
'!/bin/rm -f dailymean.dat' ;* make sure that dailymean.dat does not already exist
'set gxout fwrite'
t=tbeg
while (t<tend)
'set t 't
'd ave(areaavg,t+0,t+23) ;* this is the daily mean
t=t+24
endwhile
'disable fwrite'
--
Jennifer Miletta Adams
ADNET Systems, Inc.
NASA/GSFC, Code 610.2
Building 32, Room S159
(301) 614-6070
On 3/4/19, 12:34 PM, "gradsusr on behalf of Saunders, Emily (GSFC-610.0)[SCIENCE SYSTEMS AND APPLICATIONS INC]" <gradsusr-bounces at gradsusr.org on behalf of emily.saunders at nasa.gov> wrote:
Hi all,
I need some help plotting the daily average for the total CO burden. In
my script I am trying to plot the calculated Total CO burden daily
average and plot the daily average value for each day, but instead it
plots the value for each hour instead of the average of the hours. Here
is part of the script I am working with:
'set time 01JAN2019
'set time 05JAN2019
'set z 1'
'set lon 0'
'set lat 0'
'set ccolor 14'
'set cstyle 1'
'set cthick 10'
'cons = 2.687e+20/6.022e+23*48/1.0e+12'
'define tseries =
cons*aave(totcol_co,lon=0,lon=360,lat=-90,lat=90)*510.1*1000000000000'
'define a = ave(tseries, time=00:30z01JAN2019, time=23:30z05JAN2019)'
'set parea 1.5 9 1.5 7.5'
'set digsiz 0.10'
'set cmark 3'
'd a'
Thank you for your help in advance.
--
Emily Saunders, PhD.
Senior Research Scientist
Global Modeling and Assimilation Office/SSAI
NASA Goddard Space Flight Center Bldg 33, Room H-111B
Code 610.1, Greenbelt, MD, 20771
Phone: +1-301-614-6532
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