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minimalistic scientific plotter and run-time visualization module

Viper is a light–weight runtime visualization package for scalar and vector fields over unstructured meshes. The intended use is simple plotting, not advanced post–processing. As a consequence, Viper is mainly controlled by key–bindings, available when Viper is run in interactive mode.

Viper can be used in two different modes; one mode that is stand-alone working with a simplified unstructured mesh format given by a vertex array and a cell-node connectivity array, and floating point numpy arrays representing either scalar or vector fields over the mesh. The other mode is tied to DOLFIN, aiming at providing that project a simple way of visualizing native DOLFIN data types such as dolfin::Mesh, dolfin::Function, and dolfin::MeshFunction.

Package version:1.0.0-1


Viper is a simple mesh plotter and run--time visualization module. Viper is
part of the FEniCS project.

Originally, Viper was a simple hack to make run-time visualization for PyCC.
The aim of Viper is efficiency and simplicity. Therefore, only default filters
and modules are available, and only very limited configuration is possible.

Recently, Viper has been expanded to provide plotting for Dolf


VIPER(1)                                                    VIPER(1)

       Viper - the simple FEniCS run-time plotter

       viper [OPTIONS]

       Viper is a minimalistic scientific plotter and run-time visu‐
       alization module. Some its the features includes:

       * Light-weight and minimalistic
       * Extended keybindings
       * Interactive


viper (1.0.0-1) unstable; urgency=low

  * New upstream release.
  * debian/control: Update Homepage field.

 -- Johannes Ring <>  Wed, 07 Dec 2011 13:51:09 +0100

viper (1.0-beta-1) unstable; urgency=low

  * New upstream release.

 -- Johannes Ring <>  Mon, 15 Aug 2011 17:30:03 +0200

viper (0.4.7-2) unstable; urgency=low

  * Move from python-central to dh_pyth


1.0.0 [2011-12-07]
 - No changes since 1.0-beta, only updating the version number
1.0-beta [2011-08-


Viper is written and maintained by:

    Ola Skavhaug <>


This package was debianized by Johannes Ring <> on
Mon, 15 Sep 2008 14:04:39 +0200.

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