NAME¶

Viper - the simple FEniCS run-time plotter

SYNOPSIS¶

viper [ OPTIONS]

DESCRIPTION¶

Viper is a minimalistic scientific plotter and run-time visualization module. Some its the features includes: * Light-weight and minimalistic * Extended keybindings * Interactive * Save as png, VTK * 2D and 3D * Scalar, vector, and displacement fields * Multiple input formats * In PyCC mode; direct plotting of NumPy arrays over DOLFIN meshes * Can be used as standalone plotting application, or used as part of
PyDOLFIN

OPTIONS¶

-h, --help

Display help text and exit.

-i file, --input file

Specify input file.

-o file, --output file

Specify output file.

-l lut file, --lut lut file

Specify lookup table (LUT) file.

-d data file, --data data file

Specify data file.

EXAMPLE¶

Viper has support for visualizing meshes and solutions in DOLFIN: from dolfin import * # Plot a mesh mesh = UnitCube(16, 16, 16) plot(mesh) # Plot a scalar function u = Function("poisson.xml") plot(u) # Plot a vector function as a displacement field d = Function("elasticity.xml") plot(d, mode="displacement") # Save as png p = plot(mesh) p.write_png("mesh.png") # Save as VTK p = plot(u) p.write_vtk("poisson.vtk")

BUGS¶

Send comments, questions, bug reports etc. to fenics-viper@lists.launchpad.net.

LICENSE¶

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.

AUTHOR¶

Ola Skavhaug <skavhaug@simula.no> This manual page was written by Johannes Ring <johannr@simula.no>.