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