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xfarbe is a contouring program for iso-lines with the following characteristics:

  • Nonlinear interpolation with bicubics on a rectangular grid
  • area and pattern filling capability, colored lines
  • X-Window and Postscript output
  • Customization with X-Window Resource file
  • Interactive and automatic labeling of contour lines
  • Interactive data probing for value and derivatives
  • Placing of symbols (information read from a file)
  • Exact location of extrema and saddle points
  • Computation of profiles
  • HTML- Documentation

Current Version:   2.4a

License Type:   Free for Non-Commercial Use, see Copyright Document

Home Site:

Source Code Availability: Yes, distribution is source code with makefile, see Home Site. Source code is supplied for portability issues only.

Available Binary Packages:

  • Debian Package: No
  • RedHat RPM Package: No
  • Other Packages: No

Targeted Platforms:

All Unix systems with X11 and Athena Widget Set

Software/Hardware Requirements:

X11, Release 3 or higher, Athena Widgets (from MIT X11 distribution),
preferably 8-bit screen with writable color map

Other Links:

Mailing Lists/USENET News Groups:

Author's e-mail address:

User Comments:

  • I was impressed by the quality of the prints ...
  • Once you have configured everything, it is doing what you want ...
  • Wished, it had an option for missing points in the array ...
  • Much better than Gnuplot ...

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