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. filter1d Filter 1-D data (time series)
  5. fitcircle Finds best-fitting great or small circles
  6. gmt_shell_functions Simplifying GMT bash scripting
  7. gmt2rgb Convert Sun raster or grdfile to red, green, blue component grids
  8. gmtcolors Information on how to specify colors in GMT
  9. gmtconvert Convert table data from one format to another
  10. gmtdefaults List the current default settings
  11. gmtget Get present value of a GMT defaults parameter
  12. gmtlogo Plot a GMT logo as an overlay
  13. gmtmath Reverse Polish calculator for table data
  14. gmtselect Select table subsets based on multiple spatial criteria
  15. gmtset Edit parameters in the .gmtdefaults file
  16. grd2cpt Make color palette table from grdfile
  17. grd2xyz Convert 2-D gridded data to table
  18. grdblend Blend several gridded data sets into one
  19. grdclip Limit the z-range in gridded data sets
  20. grdcontour Contouring of 2-D gridded data
  21. grdcut Cut a sub-region from a grd file
  22. grdedit Modify grd header information
  23. grdfft Operate on grdfiles in frequency domain
  24. grdfilter Filter 2-D data in space domain
  25. grdgradient Compute directional gradient from grdfiles
  26. grdhisteq Histogram equalization for grdfiles
  27. grdimage Produce images from 2-D gridded datar
  28. grdinfo Get information about grd files
  29. grdlandmask Creates mask grdfile from coastline database
  30. grdmask Set nodes outside a clip path to a constant
  31. grdmath Reverse Polish calculator for grdfiles
  32. grdpaste Paste together grdfiles along common edge
  33. grdproject Project gridded data onto new coordinate system
  34. grdreformat Convert from one grdformat to another
  35. grdsample Resample a 2-D gridded data onto new grid
  36. grdtrack Sampling of 2-D data along 1-D track
  37. grdtrend Fits polynomial trends to grdfiles (z = f(x,y))
  38. grdvector Plot vector fields from 2-D gridded data
  39. grdview 3-D perspective imaging of 2-D gridded data
  40. grdvolume Calculating volume under a surface within a contour
  41. greenspline Gridding using Green's function splines
  42. isogmt Run GMT command or script in isolation mode
  43. makecpt Create GMT color palette tables
  44. mapproject Transformation of coordinate systems
  45. minmax Report extreme values in table datafiles
  46. nearneighbor Nearest-neighbor gridding scheme
  47. project Project data onto lines/great circles
  48. ps2raster Crop and convert PostScript to raster image, EPS and PDF
  49. psbasemap Create a basemap frame
  50. psbbox Replace BoundingBox line in PostScript files
  51. psclip Use polygon files as clipping paths
  52. pscoast Plot coastlines, filled continents, rivers, and political borders
  53. pscontour Direct contouring or imaging of xyz-data by triangulation
  54. pshistogram Plot a histogram
  55. psimage Plot Sun rasterfiles on a map
  56. pslegend Plot legend on a map
  57. psmask Create overlay to mask specified regions of a map
  58. psrose Plot sector or rose diagrams
  59. psscale Plot grayscale or colorscale
  60. pstext Plot textstrings
  61. pswiggle Draw anomalies along track
  62. psxy Plot symbols, polygons, and lines in 2-D
  63. psxyz Plot symbols, polygons, and lines in 3-D
  64. sample1d Resampling of 1-D data
  65. spectrum1d Compute spectral estimates from time-series
  66. splitxyz Split xyz files into several segments
  67. surface Continuous curvature gridding algorithm
  68. trend1d Fits polynomial or Fourier trends to y = f(x) series
  69. trend2d Fits polynomial trends to z = f(x,y) series
  70. triangulate Perform optimal Delauney triangulation on xyz data
  71. triangulate Perform optimal Delauney triangulation on xyz data
  72. 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.