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Questions tagged [grads]

The Grid Analysis and Display System (GrADS)

The Grid Analysis and Display System (GrADS) is a system for analysis and visualisation of gridded data in Earth sciences.

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Reading Through A List of Files, then Sending those Files via FTP

I am making weather model charts with the Grads scripting language, and I am using a bash script so I can use a while loop to download model data (in grib2 format) and call the grads scripts for each frame on the model run. Right now, I have a loop…
Charlie Phillips
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Time Height Cross Section in GrADS

I am looking to generate a time-height cross section in GrADS, but need some help rolling in the right direction. My goal is to generate data from a specific lat/lon point I'll specify in the GrADS script. I intend to pull the grib2 files from…
E. Weglarz
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does GrADS have a "astd" (similarly to aave) command I could use?

I would like to have the spatial standard deviation for a variable (let's say temperature). in other words, does GrADS have a "astd" (similarly to aave) command I could use?
hananoorr
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How to overlay GRADS image into OpenLayers map

I need to overlay a GRADS image into an OpenLayers map, but they do not fit each another because some lands are not in the position even the lower-left and upper-right of the image are in the right place. I guess it is due to the projection…
Frankie
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Reading .grd file in PHP

Found out GRD is a "gridded dataset file", but cannot see its contents using cat. I think it's in binary format, so it must be read in a different way. The problem is: only found examples in Fortran, R, MATLAB... I must convert the shell script…
Rasshu
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GrADS Code Error

I am having trouble with this code in GrADS. The error kept saying that my two if statements were invalid. I reinstated some stars but it gave me a whole new error. "open NAM12Z0709.ctl" "set display color white" "clear" "set mpdset hires" "set…
user3550783
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How to draw a square in GrADS?

I am looking for a command line that allows to draw a square in my plot in GrADS. Here is an example I would like to get a command line which allows me to draw a square like the one that I show on my picture example.
Erincon
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Masking a variable in GrADS

I am trying to plot a variable that is in a NetCDF file using GrADS and I would like to plot only the values that are smaller than -20 (could be any other number as an example). I can't find a way to do it though. I saw several examples of variable…
TomCho
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Wait for command line input to shell script from PHP

I am looking for a solution that allows a PHP script to send multiple commands when prompted. When the following code is executed from the shell: root@host [~]# /usr/local/bin/grads-2.0.2/bin/grads -b This output results: Grid Analysis and Display…
B. Schmidt
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Grads plotting data from different files (different points of time) in one 2D (height – time) plot

I downloaded data from the american gfs weather modell (from ftp://ftp.ncep.noaa.gov/pub/data/nccf/com/gfs/prod/gfs.2014101812/master, edit date if you read more than 1 month later). Those are grib-files. I am using grads to plot data and it works…
Dremet
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How do I get multiple images into GrADS meta file with out doing them one by one

I am working in GrADS to produce plots for a model run (netcdf file) and am very new to this program. I am trying to find out how to send multiple images to the metadata (all images from animation) without having to do them one at a time. Another…
CRogers
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GrADS -- libssl.so.10: wrong ELF class: ELFCLASS64

I have installed GrADS on my Ubuntu 16.04.4 LTS system (x86_64) and after following all the INSTALL steps, I am getting the following error in my terminal: /usr/local/bin/grads: error while loading shared libraries: libssl.so.10: wrong ELF class:…
arnpry
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From C to Python: writing binary

I'm writing a script from C to python to generate a station data in binary format to be utilized in GrADS. Here the documentation about the structure: http://cola.gmu.edu/grads/gadoc/aboutstationdata.html#station Python script's generating a…
Tisp
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Creating a descriptor file and netcdf file in GrADS

is there a program that creates a .ctl and netCDF file readable in GrADS? Am stack in trying creating one through coding in Fortran. someone assist kindly
lino
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How to Read/Store many files using GrADS?

I would like to know if anyone can help me to find the issue about this code in GrADS language. I'd like to read many files and compute and store them, but when I perform that in GraDS, I have the same answer for all imput file. Could anyone help me…
Andriel
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