PyTao

PyTao is Python interface for Tao, which is based on the Bmad subroutine library for relativistic charged–particle and X-ray simulations in accelerators and storage rings.

Documentation for Bmad and Tao, as well as information for downloading the code if needed is given on the Bmad website.

`Documentation`

Installation

See the PyTao installation instructions for details. The preferred installation method is using conda:

conda install -c conda-forge pytao

Currently PyTao requires an installed Bmad distribution compiled with the ACC_ENABLE_SHARED="Y" or ACC_ENABLE_SHARED_ONLY="Y" flag. This can be set in the bmad_dist/util/dist_prefs file (the default setting is fine).

Current Build status and Release Info

All platforms:

Name	Downloads	Version	Platforms

Resources

Bmad website

Quickstart

Start a quick PyTao session with IPython using:

$ pytao -init tao.init
----------------------------------------------------------
Initializing Tao object with the following: -init tao.init
Type`tao.` and hit tab to see available commands.
----------------------------------------------------------

In [1]: tao
Out[1]: <Tao init='-init tao.init' so_lib='/path/to/libtao.so'>

To use PyTao's plotting with Matplotlib ("mpl", alternatively Bokeh "bokeh"), use the --pyplot argument.

$ pytao --pyplot=mpl -init "$ACC_ROOT_DIR/bmad-doc/tao_examples/cbeta_cell/tao.init"
------------------------------------------------------------------------------------------------------
Initializing Tao object with: -init /Users/klauer/Repos/bmad/bmad-doc/tao_examples/cbeta_cell/tao.init

Type `tao.` and hit tab to see available commands.
------------------------------------------------------------------------------------------------------

* Matplotlib mode configured. Pyplot available as `plt`. *

Start pytao's GUI from the command-line with:

pytao-gui -init tao.init

Release process

To release a new PyTao version with updated bindings for the Fortran functions:

Activate a conda environment with bmad installed with the target version
Double-check that bmad is updated in the environment via conda list |grep bmad
Run bash scripts/bump_minimum_version.sh
Commit, push, merge PR, tag, ...

License

GNU General Public License

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