GRADS scripts for general use | |
cbarn.gs | Create a color bar after a shaded contour plot is displayed |
output.gs | Make hardcopy in PS, EPS, GIF format by using the executables gxps, gxeps, gxgif (to be downloaded on the GRRADS web site) |
page.gs | Divide the graphical page in sub-windows |
string.gs | Plots string at point-click location. |
GRADS scripts for GOTM | |
gotm.gs | Generate GOTM outputs for the Web (read netCDF file and call scripts below) |
forcing.gs | Plot the forcing (zeta, wind stress, heat fluxes...) |
turbu.gs | Plot the Turbulent quantity and the T/S fields |
COMMAND | DESCRIPTION OF WHAT THE COMMAND DOES |
grads | Open grads (select portrait or landscape mode) |
open filename1 | Open filename1.ctl that reads filename2.dat |
open filename2 | Open filename2 (variables referenced by var.2) |
q filename | Gives information of file |
q time | Gives the time |
q dims | Gives the dimension |
set poli on|off | Select map with Political boundary |
set display greay|greyscale|color | Select the mode of display |
quit | To leave grads |
DIMENSION | FUNCTION |
set lev -6 0 | Select depth between -6m and surface |
set t 1 250 | Select the 250 first data |
set z 1 100 | Select the data set for the all water levels |
DISPLAY | FUNCTION |
clear | Clear graphics window |
d var1 | Plot the field var |
d var2 | Superimposes var2 contour if clear was not used |
d var2(t=12) | Plot var2 at iteration 12 |
d var1-var2 | Plot the difference var1-var2 |
d log10(var) | Plot the logarithm of var |
d mag(u,v) | Plot the module of velocity |
d var.1-var.2 | Plot the difference of var from 2 files |
d ave(var,z=n1,z=n2) | Depth-averaged of var (n1->n2) |
run cbarn | Run the script to create a color bar |
set loopdim t || set looping on || set t n1 n2 || d tloop(var) | To animate a profile graph in time |
set looping off || set t n1 n2 || d var | Plot the time-depth surface of var |
DRAW & AXIS | FUNCTION |
draw ylab Text | Show the label "Text" on the Y-axis |
draw title Text | Show the label "Text" for the title |
draw string n1 n2 Text | Plot "Text" at position x=n1, y=n2 |
set string color n1 n2 | String parameters: n1=justification (tc,tr,tl) n2=thickness |
draw line x1 y1 x2 y2 | Plot a line from x1,y1 to x2,y2 |
set string n1 tc n3 | n1=color, tc=centered justification n3=thickness |
set axlim n1 n2 | Limit axis between n1 & n2 |
set xaxis n1 n2 n3 | Put a scale from n1 to n2 with step n3 |
CONTOUR OPTIONS | FUNCTION |
set gxout shaded | Set Graphic type to Shaded contour plot |
set gxout contour | Set Graphic type to Contour plot |
set gxout stat | Set Graphic type to Info on statistics |
set gxout grid | Set Graphic type to Grid boxes with values |
set gxout fgrid | Set Graphic type to Shaded grid boxes |
set gxout bar | Set Graphic type to Bar chart |
set cthick n | Set a thickness n for contours |
set ccolor n | 0-black | 1-white | 2-red | 3-green | 4- blue | 5-cyan | 6-magenta | 7-yellow | 8-orange | 15-grey |
set cmark n | 0-None | 1-cross-hair | 2-open circle | 3-closed circle | 4-open square | 5-closed square |
set cstyle n | 1-solid | 2-long dash | 3-short dash | 4-long, short dashed | 5-dotted |
set clskip 2 | Contour: Skip 2 contour label |
set clevs n1 n2 n3 | Impose contour levels |
set cint n | Impose contour interval |
set ccols n1 n2 n3... | Impose contour colors |
set cmin n | Impose minimum value |
set cmax n | Impose maximum value |
set black n1 n2 | Contour not drawn within n1,n2 |
set rbrange n1 n2 | Impose the range n1,n2 |
set cterp on|off | Impose spline interpolation |
set clab on|off|forced | Impose contour label |
HARDCOPY | FUNCTION |
wi filename.ext | Unix ImageMagick to create ext file (ext=.ps, .gif, .bmp, .jpeg, .eps...) |
run output ext | Run script output to create a ps,eps, of gif files. Note that this scripts requires the executable gxps, gxeps, gxgif that can be downloaded from the GRADS website |
VECTOR | FUNCTION |
d skip(u,2,2);v | Diplay velocity and skip one of two |