NAME¶

geo - plot a finite element mesh

SYNOPSIS¶

        geo  options mesh[.geo[.gz]]
 

DESCRIPTION¶

Plot or upgrade a finite element mesh.

EXAMPLES¶

Plot a mesh:

        geo square.geo
        geo box.geo
        geo box.geo -full
 

Plot a mesh into a file:

        geo square.geo -image-format png
 

Convert from a old geo file format to the new one:

        geo -upgrade - < square-old.geo > square.geo
 

See below for the geo file format scpecification. The old file format does not contains edges and faces connectivity in 3d geometries, or edges connectivity in 2d geometries. The converter add it automatically into the upgraded file format. Conversely, the old file format is usefull when combined with a translator from another file format that do not provides edges and faces connectivity.

INPUT FILE SPECIFICATION¶

filename

specifies the name of the file containing the input mesh. The ".geo" suffix extension is assumed.

-

read mesh on standard input instead on a file.

-name

when mesh comes from standard input, the mesh name is not known and is set to "output" by default. This option allows to change this default. Useful when dealing with output formats (graphic, format conversion) that creates auxilliary files, based on this name.

-Idir

-I dir

Add dir to the rheolef file search path. This mechanism initializes a search path given by the environment variable ` RHEOPATH'. If the environment variable ` RHEOPATH' is not set, the default value is the current directory.

-check

Check that element orientation is positive.

INPUT FORMAT OPTIONS¶

-if format

-input-format format

load mesh in format file format, instead of plotting it. Supported output formats are: geo, bamg, vtk. When loading from a file, the corresponding suffix extension is assumed.

RENDER SPECIFICATION¶

-gnuplot

use gnuplot tool. This is the default.

-mayavi

use mayavi tool.

RENDER OPTIONS¶

-lattice

-nolattice

When using a high order geometry, the lattice inside any element appears. Default is on;

-subdivide int

When using a high order geometry, the number of points per edge used to draw a curved element. Default value is the mesh order.

-full

-nofull

All internal edges appears, for 3d meshes. Default is off;

-fill

-nofill

Fill mesh faces using light effects, when available.

-stereo

-[no]stereo

Rendering mode suitable for red-blue anaglyph 3D stereoscopic glasses. Option only available with mayavi.

-cut

-nocut

cut by plane and clip (with mayavi only).

OUTPUT FILE FORMAT OPTIONS¶

-geo

output mesh on standard output stream in geo text file format, instead of plotting it.

-upgrade

Convert from a old geo file format to the new one.

-gmsh

output mesh on standard output stream in gmsh text file format, instead of plotting it.

-image-format string

The argument is any valid image format, such as bitmap png, jpg, gif or vectorial ps or pdf image file formats, and that could be handled by the corresponding render. The output file is e.g. ` @emph{basename'.png} when @emph{basename} is the name of the mesh, or can be set with the -name option.

OTHERS OPTIONS¶

-add-boundary

check for a domain named "boundary"; If this domain does not exists, extract the boundary of the geometry and append it to the domain list. This command is usefull for mesh converted from generators, as bamg, that cannot have more than one domain specification per boundary edge.

 

-verbose

print messages related to graphic files created and command system calls (this is the default).

 

-noverbose

does not print previous messages.

 

-clean

clear temporary graphic files (this is the default).

 

-noclean

does not clear temporary graphic files.

 

-execute

execute graphic command (this is the default).

 

-noexecute

does not execute graphic command. Generates only graphic files. This is usefull in conjuction with the "-noclean" command.

 

-check

-dump

used for debug purpose.

INQUIRE OPTIONS¶

-min-element-measure

-max-element-measure

print the smallest (resp. largest) element measure and then exit.

GEO FILE FORMAT¶

TODO