FILTERING OF 1-D AND 2-D DATA | |
blockmean | L estimate () data filters/decimators |
blockmedian | L estimate () data filters/decimators |
blockmode | Mode estimate () data filters/decimators |
filter1d | Filter 1-D data (time series) |
grdfilter | Filter 2-D data in space domain |
PLOTTING OF 1-D and 2-D DATA | |
grdcontour | Contouring of 2-D gridded data |
grdimage | Produce images from 2-D gridded data |
grdvector | Plot vector fields from 2-D gridded data |
grdview | 3-D perspective imaging of 2-D gridded data |
psbasemap | Create a basemap frame |
psclip | Use polygon files as clipping paths |
pscoast | Plot coastlines, filled continents, rivers, and political borders |
pscontour | Direct contouring or imaging of xyz data by triangulation |
pshistogram | Plot a histogram |
psimage | Plot Sun rasterfiles on a map |
pslegend | Plot a legend on a map |
psmask | Create overlay to mask specified regions of a map |
psrose | Plot sector or rose diagrams |
psscale | Plot grayscale or colorscale |
pstext | Plot textstrings |
pswiggle | Draw anomalies along track |
psxy | Plot symbols, polygons, and lines in 2-D |
psxyz | Plot symbols, polygons, and lines in 3-D |
GRIDDING OF (X,Y,Z) TABLE DATA | |
nearneighbor | Nearest-neighbor gridding scheme |
surface | Continuous curvature gridding algorithm |
triangulate | Perform optimal Delauney triangulation on xyz data |
SAMPLING OF 1-D AND 2-D DATA | |
grdsample | Resample a 2-D gridded data onto new grid |
grdtrack | Sampling of 2-D data along 1-D track |
sample1d | Resampling of 1-D data |
PROJECTION AND MAP-TRANSFORMATION | |
grdproject | Transform gridded data to a new coordinate system |
mapproject | Transform table data to a new coordinate system |
project | Project data onto lines or great circles |
INFORMATION | |
gmtdefaults | List the current default settings |
gmtset | Command-line editing of parameters in the .gmtdefaults4 file |
grdinfo | Get information about the content of gridded files |
minmax | Report extreme values in table data files |
MISCELLANEOUS | |
gmtmath | Reverse Polish Notation (RPN) calculator for table data |
makecpt | Create GMT color palette tables |
spectrum1d | Compute spectral estimates from time-series |
triangulate | Perform optimal Delauney triangulation on xyz data |
CONVERT OR EXTRACT SUBSETS OF DATA | |
gmt2rgb | Convert Sun raster or grd file to red, green, blue component grids |
gmtconvert | Convert table data from one format to another |
gmtselect | Select table data subsets based on multiple spatial criteria |
grd2xyz | Convert 2-D gridded data to table data |
grdcut | Cut a sub-region from a gridded file |
grdblend | Blend several partially over-lapping grdfiles onto one grid |
grdpaste | Paste together gridded files along common edge |
grdreformat | Convert from one grid format to another |
splitxyz | Split () table data into several segments |
xyz2grd | Convert table data to 2-D gridded file |
DETERMINE TRENDS IN 1-D AND 2-D DATA | |
fitcircle | Finds best-fitting great or small circles |
grdtrend | Fits polynomial trends to gridded files () |
trend1d | Fits polynomial or Fourier trends to series |
trend2d | Fits polynomial trends to series |
OTHER OPERATIONS ON 2-D GRIDS | |
grd2cpt | Make color palette table from gridded file |
grdclip | Limit the -range in gridded data sets |
grdedit | Modify grid header information |
grdfft | Operate on gridded files in frequency domain |
grdgradient | Compute directional gradients from gridded files |
grdhisteq | Histogram equalization for gridded files |
grdlandmask | Creates mask gridded file from coastline database |
grdmask | Set grid nodes in/outside a clip path to constants |
grdmath | Reverse Polish Notation (RPN) calculator for gridded files |
grdvolume | Calculate volume under a surface within a contour |
STANDARDIZED COMMAND LINE OPTIONS | |
-B[ps]xinfo[/yinfo[/zinfo]][WESNZwesnz+][:.title:] Tickmarks. Each info is | |
[t]stride[phase][u][lp][:"label":][:="prefix":][:,"unit":], where l and p apply to axes only, and | |
type t = {a, A, f, g, i, I}; unit u = {c, C, d, D, h, H, K, k, m, M, o, O, r, R, u, U, y, Y} | |
The leading ps selects primary [Default] or secondary axis items | |
-H[bf i][n_headers] | ASCII [input] tables have header record[s] |
-J (upper case for width, lower case for scale) | Map projection (see below) |
-JA | Lambert azimuthal equal area |
-JB | Albers conic equal area |
-JC | Cassini cylindrical |
-JD | Equidistant conic |
-JE | Azimuthal equidistant |
-JF | Azimuthal Gnomonic |
-JG | Azimuthal orthographic |
-JH | Hammer equal area |
-JI | Sinusoidal equal area |
-JJ | Miller cylindrical |
-JKf | Eckert IV equal area |
-JKs | Eckert VI equal area |
-JL | Lambert conic conformal |
-JM or -JM | Mercator cylindrical |
-JN | Robinson |
-JOa | Oblique Mercator, 1: origin and azimuth |
-JOb | Oblique Mercator, 2: two points |
-JOc | Oblique Mercator, 3: origin and pole |
-JP[a[] | Polar [azimuthal] () (or cylindrical) |
-JQ | Equidistant cylindrical (Plate Carrée) |
-JR | Winkel Tripel |
-JS | General stereographic |
-JT | Transverse Mercator |
-JU | Universal Transverse Mercator (UTM) |
-JV | Van der Grinten |
-JW | Mollweide |
-JX[lpTt][/[lpTt]][d] | Linear, log, -, and time |
-JY | General cylindrical equal area |
-K | Append more PS later |
-O | This is an overlay plot |
-P | Select Portrait orientation |
-Rwest/east/south/north[/zmin/zmax][r] | Specify Region of interest |
-U[/dx/dy/][label] | Plot time-stamp on plot |
-V | Run in verbose mode |
-X[a]off | Shift plot origin in -direction |
-Y[a]off | Shift plot origin in -direction |
-b[io][s][ncol] | Select binary input or output |
-ccopies | Set number of plot copies [1] |
-f[io]colinfo | Set formatting of ASCII input or output |
-: | Expect y/x input rather than x/y |