supported formats

  • Surfaces (grids)
    • surfit native (Input/Output)
    • Surfer ASCII-grd (Input/Output)
    • XYZ (Output)
  • DEMs
    • surfit native (Input/Output)
    • Surfer ASCII-grd (Input/Output)
    • DTM (Input)
    • HGT files (Shuttle Radar Topographic Mission files) (Input)
    • zipped HGT files (Input)
    • GTOPO30/GLOBE files (Input)
  • Points
    • surfit native (Input/Output)
    • columned text files (Input/Output)
  • Curves
    • surfit native (Input/Output)
    • columned text files (Input/Output)
    • Surfer BLN files (Input/Output)
  • Contours
    • surfit native (Input/Output)
    • columned text files (Input/Output)
  • Areas
    • surfit native (Input/Output)
    • columned text files (Input/Output)
    • Surfer BLN files (Input/Output)


surfit: open source gridding software.