1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
+-----------------------+---------------------------------------------------------------------+
| | *Filtering of 1-D and 2-D Data* |
+=======================+=====================================================================+
| :doc:`blockmean` | L\ :math:`_2` (*x*,\ *y*,\ *z*) table data filter/decimator |
+-----------------------+---------------------------------------------------------------------+
| :doc:`blockmedian` | L\ :math:`_1` (*x*,\ *y*,\ *z*) table data filter/decimator |
+-----------------------+---------------------------------------------------------------------+
| :doc:`blockmode` | Mode estimate (*x*,\ *y*,\ *z*) table data filter/decimator |
+-----------------------+---------------------------------------------------------------------+
| :doc:`filter1d` | Time domain filtering of 1-D data tables |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdfilter` | Filter 2-D gridded data sets in the space domain |
+-----------------------+---------------------------------------------------------------------+
| | **Plotting of 1-D and 2-D Data** |
+-----------------------+---------------------------------------------------------------------+
| :doc:`gmtlogo` | Plot the GMT logo on maps |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdcontour` | Contouring of 2-D gridded data sets |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdimage` | Produce images from 2-D gridded data sets |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdvector` | Plotting of 2-D gridded vector fields |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdview` | 3-D perspective imaging of 2-D gridded data sets |
+-----------------------+---------------------------------------------------------------------+
| :doc:`psbasemap` | Create a basemap plot |
+-----------------------+---------------------------------------------------------------------+
| :doc:`psclip` | Use polygon files to define clipping paths |
+-----------------------+---------------------------------------------------------------------+
| :doc:`pscoast` | Plot (and fill) coastlines, borders, and rivers on maps |
+-----------------------+---------------------------------------------------------------------+
| :doc:`pscontour` | Contour or image raw table data by triangulation |
+-----------------------+---------------------------------------------------------------------+
| :doc:`pshistogram` | Plot a histogram |
+-----------------------+---------------------------------------------------------------------+
| :doc:`psimage` | Plot Sun raster files on a map |
+-----------------------+---------------------------------------------------------------------+
| :doc:`pslegend` | Plot a legend on a map |
+-----------------------+---------------------------------------------------------------------+
| :doc:`psmask` | Create overlay to mask out regions on maps |
+-----------------------+---------------------------------------------------------------------+
| :doc:`psrose` | Plot sector or rose diagrams |
+-----------------------+---------------------------------------------------------------------+
| :doc:`psscale` | Plot gray scale or color scale on maps |
+-----------------------+---------------------------------------------------------------------+
| :doc:`pstext` | Plot text strings on maps |
+-----------------------+---------------------------------------------------------------------+
| :doc:`pswiggle` | Draw table data time-series along track on maps |
+-----------------------+---------------------------------------------------------------------+
| :doc:`psxy` | Plot symbols, polygons, and lines on maps |
+-----------------------+---------------------------------------------------------------------+
| :doc:`psxyz` | Plot symbols, polygons, and lines in 3-D |
+-----------------------+---------------------------------------------------------------------+
| | **Gridding of Data Tables** |
+-----------------------+---------------------------------------------------------------------+
| :doc:`greenspline` | Interpolation with Green's functions for splines in 1--3 D |
+-----------------------+---------------------------------------------------------------------+
| :doc:`nearneighbor` | Nearest-neighbor gridding scheme |
+-----------------------+---------------------------------------------------------------------+
| :doc:`sphinterpolate` | Spherical gridding in tension of data on a sphere |
+-----------------------+---------------------------------------------------------------------+
| :doc:`surface` | A continuous curvature gridding algorithm |
+-----------------------+---------------------------------------------------------------------+
| :doc:`triangulate` | Perform optimal Delauney triangulation and gridding |
+-----------------------+---------------------------------------------------------------------+
| | **Sampling of 1-D and 2-D Data** |
+-----------------------+---------------------------------------------------------------------+
| :doc:`gmtsimplify` | Line reduction using the Douglas-Peucker algorithm |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdsample` | Resample a 2-D gridded data set onto a new grid |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdtrack` | Sample 2-D gridded data sets at specified (x,y) locations |
+-----------------------+---------------------------------------------------------------------+
| :doc:`sample1d` | Resampling of 1-D table data sets |
+-----------------------+---------------------------------------------------------------------+
| | **Projection and Map-transformation** |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdproject` | Project gridded data sets onto a new coordinate system |
+-----------------------+---------------------------------------------------------------------+
| :doc:`mapproject` | Transformation of coordinate systems for table data |
+-----------------------+---------------------------------------------------------------------+
| :doc:`project` | Project table data onto lines or great circles |
+-----------------------+---------------------------------------------------------------------+
| | **Retrieve Information** |
+-----------------------+---------------------------------------------------------------------+
| :doc:`gmtdefaults` | List the current default settings |
+-----------------------+---------------------------------------------------------------------+
| :doc:`gmtget` | Retrieve selected parameters in current file |
+-----------------------+---------------------------------------------------------------------+
| :doc:`gmtinfo` | Get information about table data files |
+-----------------------+---------------------------------------------------------------------+
| :doc:`gmtset` | Change selected parameters in current file |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdinfo` | Get information about grid files |
+-----------------------+---------------------------------------------------------------------+
| | **Mathematical Operations on Tables or Grids** |
+-----------------------+---------------------------------------------------------------------+
| :doc:`gmtmath` | Mathematical operations on table data |
+-----------------------+---------------------------------------------------------------------+
| :doc:`makecpt` | Make color palette tables |
+-----------------------+---------------------------------------------------------------------+
| :doc:`spectrum1d` | Compute various spectral estimates from time-series |
+-----------------------+---------------------------------------------------------------------+
| :doc:`sph2grd` | Compute grid from spherical harmonic coefficients |
+-----------------------+---------------------------------------------------------------------+
| :doc:`sphdistance` | Create grid of distances to nearest points on a sphere |
+-----------------------+---------------------------------------------------------------------+
| :doc:`sphtriangulate` | Delaunay or Voronoi construction of spherical lon,lat data |
+-----------------------+---------------------------------------------------------------------+
| | **Convert or Extract Subsets of Data** |
+-----------------------+---------------------------------------------------------------------+
| :doc:`gmtconnect` | Connect segments into more complete lines or polygons |
+-----------------------+---------------------------------------------------------------------+
| :doc:`gmtconvert` | Convert data tables from one format to another |
+-----------------------+---------------------------------------------------------------------+
| :doc:`gmtselect` | Select subsets of table data based on multiple spatial criteria |
+-----------------------+---------------------------------------------------------------------+
| :doc:`gmtspatial` | Geospatial operations on lines and polygons |
+-----------------------+---------------------------------------------------------------------+
| :doc:`gmtvector` | Operations on Cartesian vectors in 2-D and 3-D |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grd2rgb` | Convert Sun raster or grid file to red, green, blue component grids |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grd2xyz` | Conversion from 2-D grid file to table data |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdblend` | Blend several partially over-lapping grid files onto one grid |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdconvert` | Converts grid files into other grid formats |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdcut` | Cut a sub-region from a grid file |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdpaste` | Paste together grid files along a common edge |
+-----------------------+---------------------------------------------------------------------+
| :doc:`splitxyz` | Split *xyz* files into several segments |
+-----------------------+---------------------------------------------------------------------+
| :doc:`xyz2grd` | Convert an equidistant table *xyz* file to a 2-D grid file |
+-----------------------+---------------------------------------------------------------------+
| | **Determine Trends in 1-D and 2-D Data** |
+-----------------------+---------------------------------------------------------------------+
| :doc:`fitcircle` | Finds the best-fitting great or small circle for a set of points |
+-----------------------+---------------------------------------------------------------------+
| :doc:`gmtregress` | Linear regression of 1-D data sets |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdtrack` | Sample 2-D gridded data sets at specified (x,y) locations |
+-----------------------+---------------------------------------------------------------------+
| :doc:`trend1d` | Fits polynomial or Fourier trends to :math:`y = f(x)` series |
+-----------------------+---------------------------------------------------------------------+
| :doc:`trend2d` | Fits polynomial trends to :math:`z = f(x,y)` series |
+-----------------------+---------------------------------------------------------------------+
| | **Other Operations on 2-D Grids** |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grd2cpt` | Make color palette table from a grid files |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdclip` | Limit the *z*-range in gridded data sets |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdedit` | Modify header information in a 2-D grid file |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdfft` | Perform operations on grid files in the frequency domain |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdgradient` | Compute directional gradient from grid files |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdhisteq` | Histogram equalization for grid files |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdlandmask` | Create masking grid files from shoreline data base |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdmask` | Reset grid nodes in/outside a clip path to constants |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdmath` | Mathematical operations on grid files |
+-----------------------+---------------------------------------------------------------------+
| :doc:`grdvolume` | Calculate volumes under a surface within specified contour |
+-----------------------+---------------------------------------------------------------------+
| | **Miscellaneous Tools** |
+-----------------------+---------------------------------------------------------------------+
| :doc:`gmt2kml` | Like :doc:`psxy` but plots KML for use in Google Earth |
+-----------------------+---------------------------------------------------------------------+
| :doc:`kml2gmt` | Extracts coordinates from Google Earth KML files |
+-----------------------+---------------------------------------------------------------------+
| :doc:`psconvert` | Crop and convert PostScript files to raster images, EPS, and PDF |
+-----------------------+---------------------------------------------------------------------+
|
