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NVIZ is a GRASS module which allows users to realistically render multiple surfaces in a 3D space, optionally using thematic coloring, draping GRASS vector files over the surfaces, and displaying GRASS site files either draped on the surfaces or as 3D point locations. The NVIZ code is part of the standard GRASS source code.

NVIZ is GRASS's n-dimensional visualization software

  • nviz module command line usage help
  • d.nviz module help page (draw flightpaths for animations)
  • m.nviz.image - a module to render NVIZ scenes directly from the command-line
  • wxNVIZ - next generation rewrite