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branch(1rheolef) [osx man page]

branch(1rheolef)						    rheolef-6.1 						  branch(1rheolef)

branch -- handle a family of fields SYNOPSIS
branch [options] filename EXAMPLE
Generates vtk file colection for visualization with paraview: branch output.branch -paraview DESCRIPTION
Read and output a branch of finite element fields from file, in field text file format. INPUT FILE SPECIFICATION
-Idir add dir to the RHEOPATH search path. See also geo(2) for RHEOPATH mechanism. filename specifies the name of the file containing the input field. - read field on standard input instead on a file. -ndigit int Number of digits used to print floating point values when using the `-geo' option. Default depends upon the machine precision asso- ciated to the Float type. OUTPUT AND RENDER SPECIFICATION
-extract int Extract the i-th record in the file. The output is a field or multi-field file format. -branch Output on stdout in `.branch' format. This is the default. -paraview Generate a collection of vtk files for using paraview. -vtk Generate a single vtk file with numbered fields. -gnuplot Run 1d animation using gnuplot. -plotmtv This driver is unsupported for animations. OTHER OPTIONS
-umin float -umax float set the solution range for the gnuplot driver. By default this range is computed from the first field of the branch, and this could be problematic when this field is initialy zero. -topography filename[.field[.gz]] performs a tridimensionnal elevation view based on the topographic data. -proj performs a P1 projection on the fly. This option is useful when rendering P0 data while vtk render requieres P1 description. -elevation For two dimensional field, represent values as elevation in the third dimension. This is the default. -noelevation Prevent from the elevation representation. -scale float applies a multiplicative factor to the field. This is useful e.g. in conjonction with the elevation option. The default value is 1. -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. BRANCH FILE FORMAT
The `.branch' file format bases on the `.field' one: EXAMPLE GENERAL FORM #!branch #!branch branch branch 1 1 11 <version> <nfield=1> <nvalue=N> time u <key> <field name> #time 3.14 #<key> <key value 1> #u #<field name> field <field 1> ..... .... ..... .... #time 6.28 #<key> <key value N> #u #<field name> field <field N> ..... .... The key name is here time, but could be any string (without spaces). The previous example contains one field at each time step. Labels appears all along the file to facilitate direct jumps and field and step skips. The format supports several fields, such as (t,u(t),p(t)), where u could be a multi-component (e.g. a vector) field: #!branch branch 1 2 11 time u p #time 3.14 #u mfield 1 2 #u0 field ... #u1 field ... #p #time 6.28 ... SEE ALSO
geo(2) rheolef-6.1 rheolef-6.1 branch(1rheolef)
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