Features

• Open Source, distributed under the GNU GPL
• Written in portable ANSI C
• Built with the Gnome gnome desktop environment using the Glade interface builder.
• Supports Gtk themes
• Supports GNU style internationalization
• Provides several different projections and colormaps
• Dialogs support real-time previews where possible
• 12 terrain generation methods
• 20 terrain transformations
• River placement
• Object placement
• 1-Click export of Height Fields to POVRay
• Themeable POVRay rendering environment
• Configurable undo history
• Support for the following file formats:

  File type	Read	Write
  ACAD	N	Y
  BNA	Y	Y
  BMP	Y	N
  BT	Y	Y
  DEM	Y	N
  DTED	Y	N
  DXF	Y	Y
  E00	Y	N
  GIF	Y	N
  GRD	Y	Y
  PNG	Y	N
  GTOPO30	Y	N
  Matlab Binary	Y	Y
  OCT	Y	Y
  PGM ASCII	Y	Y
  PGM Binary	Y	Y
  PNG	Y	N
  PPM	Y	Y
  RAS	Y	N
  Terragen	Y	Y
  TIFF	Y	N
  TGA	Y	Y
  VRML	N	Y
  XBM	Y	N
  XPM	Y	N
  XYZ	Y	Y