[gradsusr] Grads earth's radius

Mon Dec 12 15:06:21 EST 2011

I have some problems with the borders of countries and the representation of the WRF model, because don't match( you can see it with 3km resolution). I think the WRF works with a earth's radius of 6370 km and Grads is 6371.2 km.Is it possible to change the Grads radius of the earth to match borders with WRF?

> From: gradsusr-request at gradsusr.org
> Subject: gradsusr Digest, Vol 22, Issue 11
> To: gradsusr at gradsusr.org
> Date: Sun, 11 Dec 2011 18:14:57 -0500
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> Today's Topics:
> 
> 1. Re: OpenGrads Installation (Arlindo da Silva)
> 2. Re: OpenGrads Installation (Andrew Revering)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sun, 11 Dec 2011 13:47:27 -0800
> From: Arlindo da Silva <dasilva at alum.mit.edu>
> Subject: Re: [gradsusr] OpenGrads Installation
> To: GrADS Users Forum <gradsusr at gradsusr.org>
> Message-ID:
> <CALz7xZd3=aUQw0-jEYOZJ5BnBAAGL+H+56ebCwUPS49ve=uMXA at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> On Sun, Dec 11, 2011 at 12:44 PM, Andrew Revering <andy at f5data.com> wrote:
> 
> > Arlindo,
> >
> > I'm sending this to you privately
> >
> 
> Not so, you replied to the whole list...
> 
> 
> 
> > because I dont want to accidentally send some server-sensitive information
> > to the entire list accidentally...
> >
> >>
> >> Simply type "env" at the command line and you will get a list of all
> >> environment variables defined.
> >>
> >
> > root at server [~]# env
> > HOSTNAME=*********************
> > /env
> >
> ...
> 
> Good, no grads related environment variable is being set, so we can rule
> out any conflict there.
> 
> 
> >
> >> Make sure you move the Contents/ directory as a whole, keeping directory
> >> tree intact.
> >>
> >
> > So for example, should it be:
> > /opt/opengrads/Linux.... etc.
> > or
> > /opt/opengrads/Contents/Linux.... etc.
> >
> > I currently have it as the first scenario.
> >
> >
> 
> Either is fine, provided the whole Contets/ directory (and all
> sub-directories are moved over). In your case, make sure /opt/opengrads is
> ahead in your path (and not another directory further down under Linux/).
> 
> 
> 
> >
> > I don't think I'm able to do this because the server is a web server and
> > I'm connecting through SSH.
> >
> 
> Sometimes you need the -X option to enable X windows through ssh, for
> example
> 
> % ssh -X myserver.domain.com
> 
> 
> 
> > So when I run opengrads I get "error in GXSTRT: unable to connect to X
> > server"
> >
> > So I have to run everything with -lbc 'run ' scripts. Is there a way to do
> > q udx and send that output to a text file?
> >
> >
> You can run grads interatively without having X Windows connecivity. Just
> start opengrads in batch mode (-b option) :
> 
> % opengrads -bl
> 
> What I am looking for is whether you see a line like this:
> 
> *Loading User Defined Extensions table
> </Applications/OpenGrADS/Darwin/Versions/2.0.0.oga.1/i386/gex/udxt> ... ok.*
> 
> and whether
> 
> ga-> q udx
> 
> gives you a full list of extensions.
> 
> Arlindo
> 
> 
> -- 
> Arlindo da Silva
> dasilva at alum.mit.edu
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> ------------------------------
> 
> Message: 2
> Date: Sun, 11 Dec 2011 17:07:41 -0600
> From: Andrew Revering <andy at f5data.com>
> Subject: Re: [gradsusr] OpenGrads Installation
> To: GrADS Users Forum <gradsusr at gradsusr.org>
> Message-ID:
> <CAHXC6uvYwyniLHKc7efqOSxA2+k1pzgn60KucTSLixAcoiDnHw at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> >
> > Not so, you replied to the whole list...
> >>
> >
> Yah... I'm a damn fool.
> 
> 
> > ga-> q udx
> >
> > gives you a full list of extensions.
> >
> 
> ga-> q udx
> 
> Command Environment Variables Function at Library
> ----------- ---------------------------------------
> --------------------------
> printenv Expand environment variables c_xenv@^env.gex
> runenv Expand env vars and run command c_env@^env.gex
> @ Expand env vars and run command c_env@^env.gex
> getenv Get value of environment variable c_getenv@^env.gex
> setenv Set value of environment variable c_setenv@^env.gex
> 
> Command GxYAT: Image Generation Function at Library
> ----------- ---------------------------------------
> --------------------------
> gxyat Save images in PNG/SVG/PDF/PS c_gxyat@^gxyat.gex
> set_rgba Set color red/green/blue/alpha c_rgba@^gxyat.gex
> 
> Command Simple Extension Example Function at Library
> ----------- ---------------------------------------
> --------------------------
> hello Hello, World! sample command c_hello@^libhello.gex
> 
> Command Interprocess Communication Function at Library
> ----------- ---------------------------------------
> --------------------------
> ipc_verb IPC verbose toggle c_Verb@^libipc.gex
> ipc_open Open stream for save/load c_Open@^libipc.gex
> ipc_close Close stream c_Close@^libipc.gex
> ipc_save Save expression to stream c_Save@^libipc.gex
> ipc_define Define variable (obsolete) c_Define@^libipc.gex
> ipc_error Print IPC error message c_Error@^libipc.gex
> 
> Command LATS: File Reformatting and Subsetting Function at Library
> ----------- ---------------------------------------
> --------------------------
> set_lats Set LATS parameters c_lats_set@
> ^liblats.gex
> query_lats Query LATS parameters c_lats_query@
> ^liblats.gex
> lats_grid Define LATS grid c_lats_grid@
> ^liblats.gex
> lats_data Write data to LATS file c_lats_data@
> ^liblats.gex
> reinit_lats Re-init LATS parameters c_lats_reinit@
> ^liblats.gex
> 
> Command Mike Fiorino's Extensions Function at Library
> ----------- ---------------------------------------
> --------------------------
> mfhilo Find max/min or H/L in 2D field c_mfhilo@^libmf.gex
> tcprop Properties radinf from central lon/lat c_tcprop@^libmf.gex
> tcxy2rt cartesian -> cylindrical coords results only scriptvar RESULT
> c_tcxy2rt@^libmf.gex
> grhist histogram of expr c_grhist@^libmf.gex
> 
> Command Satellite Orbit Extensions Function at Library
> ----------- ---------------------------------------
> --------------------------
> set_orb Set ORB parameters c_set@^orb.gex
> orb_track Satellite ground tracks c_track@^orb.gex
> 
> Command Shapefile Extensions Function at Library
> ----------- ---------------------------------------
> --------------------------
> shp_lines Draw lines from shapefile c_lines@^shape.gex
> shp_polyf Draw polygons from shapefile c_polyf@^shape.gex
> 
> Function Ben-Jei Tsuang's Extensions Function at Library
> ----------- ---------------------------------------
> --------------------------
> lt Local time f_bjt@^libbjt.gex
> jd Julian day f_bjt@^libbjt.gex
> cosz Cosine solar zenith angle f_bjt@^libbjt.gex
> dayratio Daylight ratio f_bjt@^libbjt.gex
> if Conditional function f_bjt@^libbjt.gex
> maxv Maximum value f_bjt@^libbjt.gex
> minv Minimum value f_bjt@^libbjt.gex
> which Label gridpoints f_bjt@^libbjt.gex
> ftest F-test f_bjt@^libbjt.gex
> ttest T-test f_bjt@^libbjt.gex
> tfit Point linear regression f_bjt@^libbjt.gex
> fit Global linear regression f_bjt@^libbjt.gex
> tcorr2 Time correlation f_bjt@^libbjt.gex
> tregr2 Point linear regression f_bjt@^libbjt.gex
> tmave2 Time averaging w/masking f_bjt@^libbjt.gex
> madvu Calculates -d(u*EXPR)/dx f_bjt@^libbjt.gex
> madvv Calculates -d(V*EXPR)/dy f_bjt@^libbjt.gex
> madvw Calculates -d(W*EXPR)/dp f_bjt@^libbjt.gex
> muadv Zonal advection f_bjt@^libbjt.gex
> mvadv Meridional advection f_bjt@^libbjt.gex
> mwadv Vertical advection f_bjt@^libbjt.gex
> satvap Saturated vapor pressure f_bjt@^libbjt.gex
> dew Dew point temperature f_bjt@^libbjt.gex
> lw Thermal infrared fluxes f_bjt@^libbjt.gex
> lw2 Thermal infrared fluxes v2 f_bjt@^libbjt.gex
> pinterp Pressure interpolation f_bjt@^libbjt.gex
> zinterp Height interpolation f_bjt@^libbjt.gex
> line Draws a line f_bjt@^libbjt.gex
> vint2 Mass-weighted vertical integral f_bjt@^libbjt.gex
> 
> Function Streamfunction & Velocity Potential Function at Library
> ----------- ---------------------------------------
> --------------------------
> fish Poisson solver f_fish@^fish.gex
> fish_psi Compute streamfunction f_psichi@^fish.gex
> fish_chi Compute velocity potential f_psichi@^fish.gex
> fish_vor Compute vorticity f_psichi@^fish.gex
> fish_div Compute divergence f_psichi@^fish.gex
> 
> Function Saakeskus Wx Function Collection Function at Library
> ----------- ---------------------------------------
> --------------------------
> dewpt Dew-point temperature f_gsudf@^gsudf.gex
> ept Equivalent potential temperature f_gsudf@^gsudf.gex
> epi Potential Instability f_gsudf@^gsudf.gex
> plcl Pressure at LCL f_gsudf@^gsudf.gex
> shear Wind Shear f_gsudf@^gsudf.gex
> srh1km Storm-relative Helicity 0-1km' f_gsudf@^gsudf.gex
> srh3km Storm-relative Helicity 0-3km' f_gsudf@^gsudf.gex
> tlcl Temperature at LCL f_gsudf@^gsudf.gex
> tsindex Chance of T-storm Initiation f_gsudf@^gsudf.gex
> ttindex Total Totals Index f_gsudf@^gsudf.gex
> wchill Wind Chill Index (New) f_gsudf@^gsudf.gex
> 
> Function Simple Extension Example Function at Library
> ----------- ---------------------------------------
> --------------------------
> hello Hello, World! sample function f_hello@^libhello.gex
> 
> Function Interprocess Communication Function at Library
> ----------- ---------------------------------------
> --------------------------
> ipc_save Save expression to stream f_Save@^libipc.gex
> ipc_load Load variable from file f_Load@^libipc.gex
> 
> Function Mike Fiorino's Extensions Function at Library
> ----------- ---------------------------------------
> --------------------------
> smth2d Shuman smoother/de-smoother f_smth2d@^libmf.gex
> xy2rt cartesian -> cylindrical coord f_xy2rt@^libmf.gex
> uv2trw Find radial/tangential velocity f_uv2trw@^libmf.gex
> re2 General interpolator (regrid2) f_re2@^libmf.gex
> esmrf Saturation vapor pressure (old MRF) f_esmrf@^libmf.gex
> linreg Linear regression: mx + b f_linreg@^libmf.gex
> 
> Function Satellite Orbit Extensions Function at Library
> ----------- ---------------------------------------
> --------------------------
> orb_mask Satellite orbit masking f_mask@^orb.gex
> 
> Function Regridding Functions Function at Library
> ----------- ---------------------------------------
> --------------------------
> re General interpolator ffre@^re.gex
> re_ General interpolator (verbose) ffre_dbg@^re.gex
> regrid2 regrid2-like wrapper for re() f_gsudf@^gsudf.gex
> geos Interpolation to GEOS-5 Grids f_gsudf@^gsudf.gex
> reimg Interpolation for Image Generation' f_gsudf@^gsudf.gex
> 
> Function Spherical Harmonic Analysis Function at Library
> ----------- ---------------------------------------
> --------------------------
> sh_filt Spherical harmonic filter f_shfilt@^shfilt.gex
> sh_power Spherical harmonic spectra f_shpowr@^shfilt.gex
> 
> ga->
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