Image online viewer LaVue

Last modified by grunewal on 2025/02/05 11:23

LaVue is a live image viewer maintained by DESY's FS-EC (FS-EC main page).
At FLASH we use conda enviroments and LaVue polls DOOCS images via pydoocs.

Installation steps:

Optional: check which environments already exists

List enviroments

user@host ~$ conda info --envs

Optional: Create your personal environment

Create an enviroment

user@host ~$ conda create -n ENV_NAME python=3.7

Now activate the environment

Activate created enviroment

user@host ~$ conda activate ENV_NAME

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Optional: Install the required packages

Install pydoocs, LaVue & dependencies

(ENV_NAME) user@host ~$ conda install pydoocs lavue

Optional: If conda says it can not find the packages, you'll have to add the following channels.

Add conda channels

(ENV_NAME) user@host ~$ conda config --add channels http://doocspkgs.desy.de/pub/doocsconda/
(ENV_NAME) user@host ~$ conda config --add channels http://www.desy.de/~wwwuser/flashconda

Start working...

Start LaVue in expert mode

(ENV_NAME) user@host ~$ lavue -m expert

Start/ Create LaVue instance (profile)

(ENV_NAME) user@host ~$ lavue -m expert -j PROFILE_NAME

For the usage with DOOCS there is a small manual:

lavue.pdf

Additional filters by FS-EC

(ENV_NAME) user@host ~$ pip install lavuefilters

example for LaVue - Filter plugins: