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):


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