GMT Online Man Pages

These man pages are html-versions of the Unix man pages for GMT. They are grouped both alphabetically or by function.

Thematic listing of GMT Unix man pages

For alphabetical order, click here.

GMT WRAPPER:

FILTERING OF 1-D AND 2-D DATA:

PLOTTING OF 1-D and 2-D DATA:

GRIDDING OF (X,Y,Z) DATA:

SAMPLING OF 1-D AND 2-D DATA:

PROJECTION AND MAP-TRANSFORMATION:

INFORMATION:

CONVERT OR EXTRACT SUBSETS OF DATA:

MISCELLANEOUS:

DETERMINE TRENDS IN 1-D AND 2-D DATA:

OTHER OPERATIONS ON 2-D GRIDS:

MANIPULATION OF GMT POSTSCRIPT FILES:

POSTSCRIPT LIBRARY FUNCTION CALLS (for developers):

GMT SHELL SCRIPTS:

Alphabetical listing of GMT Unix man pages

For a thematic listing, click here.
  1. blockmean L2 (x,y,z) data filter/decimator
  2. blockmedian L1 (x,y,z) data filter/decimator
  3. blockmode Mode-estimating (x,y,z) data filter/decimator
  4. colmath Do mathematics on columns from data tables
  5. filter1d Filter 1-D data (time series)
  6. fitcircle Finds best-fitting great or small circles
  7. gmt A Wrapper for GMT programs
  8. gmt.conf Configuration for GMT
  9. gmt_shell_functions Simplifying GMT bash scripting
  10. gmt2kml Convert GMT data tables to KML files for Google Earth
  11. gmtcolors Information on how to specify colors in GMT
  12. gmtconvert Convert table data from one format to another
  13. gmtdefaults List the current default settings
  14. gmtdp Line reduction using the Douglas-Peucker algorithm
  15. gmtget Get present value of a GMT defaults parameter
  16. gmtlogo Plot a GMT logo as an overlay
  17. gmtmath Reverse Polish calculator for table data
  18. gmtselect Select table subsets based on multiple spatial criteria
  19. gmtset Edit parameters in the gmt.conf file
  20. gmtspatial Geospatial operations on lines and polygons
  21. gmtstitch Combine line segments that share end-points
  22. gmtswitch Switch between several GMT installations
  23. gmtvector Basic manipulation of 2-D and 3-D vectors
  24. gmtwhich Find full path to specified files
  25. grd2cpt Make color palette table from grdfile
  26. grd2rgb Convert Sun raster or grdfile to red, green, blue component grids
  27. grd2xyz Convert 2-D gridded data to table
  28. grdblend Blend several gridded data sets into one
  29. grdclip Limit the z-range in gridded data sets
  30. grdcontour Contouring of 2-D gridded data
  31. grdcut Cut a sub-region from a grd file
  32. grdedit Modify grd header information
  33. grdfft Operate on grdfiles in frequency domain
  34. grdfilter Filter 2-D data in space domain
  35. grdgradient Compute directional gradient from grdfiles
  36. grdhisteq Histogram equalization for grdfiles
  37. grdimage Produce images from 2-D gridded datar
  38. grdinfo Get information about grd files
  39. grdlandmask Creates mask grdfile from coastline database
  40. grdmask Set nodes outside a clip path to a constant
  41. grdmath Reverse Polish calculator for grdfiles
  42. grdpaste Paste together grdfiles along common edge
  43. grdproject Project gridded data onto new coordinate system
  44. grdreformat Convert from one grdformat to another
  45. grdsample Resample a 2-D gridded data onto new grid
  46. grdtrack Sampling of 2-D data along 1-D track
  47. grdtrend Fits polynomial trends to grdfiles (z = f(x,y))
  48. grdvector Plot vector fields from 2-D gridded data
  49. grdview 3-D perspective imaging of 2-D gridded data
  50. grdvolume Calculating volume under a surface within a contour
  51. greenspline Gridding using Green's function splines
  52. isogmt Run GMT command or script in isolation mode
  53. kml2gmt Extract GMT data from a Google Earth KML file
  54. makecpt Create GMT color palette tables
  55. mapproject Transformation of coordinate systems
  56. minmax Report extreme values in table datafiles
  57. nearneighbor Nearest-neighbor gridding scheme
  58. project Project data onto lines/great circles
  59. ps2raster Crop and convert PostScript to raster image, EPS and PDF
  60. psbasemap Create a basemap frame
  61. psclip Use polygon files as clipping paths
  62. pscoast Plot coastlines, filled continents, rivers, and political borders
  63. pscontour Direct contouring or imaging of xyz-data by triangulation
  64. pshistogram Plot a histogram
  65. psimage Plot Sun rasterfiles on a map
  66. pslegend Plot legend on a map
  67. psmask Create overlay to mask specified regions of a map
  68. psrose Plot sector or rose diagrams
  69. psscale Plot grayscale or colorscale
  70. pstext Plot textstrings
  71. pswiggle Draw anomalies along track
  72. psxy Plot symbols, polygons, and lines in 2-D
  73. psxyz Plot symbols, polygons, and lines in 3-D
  74. sample1d Resampling of 1-D data
  75. spectrum1d Compute spectral estimates from time-series
  76. splitxyz Split xyz files into several segments
  77. surface Continuous curvature gridding algorithm
  78. trend1d Fits polynomial or Fourier trends to y = f(x) series
  79. trend2d Fits polynomial trends to z = f(x,y) series
  80. triangulate Perform optimal Delauney triangulation on xyz data
  81. triangulate Perform optimal Delauney triangulation on xyz data
  82. xyz2grd Convert table to 2-D grd file
For a thematic listing of GMT man pages, click here. RETURN Return to GMT Online Services page.