How to recall units from Globals list?

[Andrea Fantini]

Hi there,

Quick question: is there any function or dataframe that allows me recall the very units of global variables, initialized on runmanager, when I write my labscript code?

Thank y'all for any reply.

Cheers,

Andy

[Edvinas Gvozdiovas]

Hi Andrea,

I was asking myself this just a few days ago to no avail. I ended up using h5py to grab the units from "globals/folder/units/variable". Let me know if you need further help, I can share a sample code.

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[Andrea Fantini]

Thanks Edvinas,

If you could share the script it would help me a lot!

Thanks again,

Cheers,

Andy

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[Edvinas Gvozdiovas]

Try the following (adjust globals_group and global accordingly):

import h5py

from lyse import path

globals_group = "DCFields"

global = "B_Forward"

with h5py.File(path,'r') as shot_h5py: global_units =  shot_h5py["globals"][globals_group]["units"].attrs[global]

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[Andrea Fantini]

Great, thank you a lot!

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[Andrea Fantini]

Ok so, I managed to do so:

    data_frame = data()

    path=data_frame['filepath'].iloc[-1] #lastvalue in dataframe

    units={}

    for globals_group  in runmanager.get_grouplist(path):

        for global_name in runmanager.get_globalslist(path, globals_group):

            with h5py.File(path,'r') as shot_h5py: global_units =  shot_h5py["globals"][globals_group]["units"].attrs[global_name]

            if global_units=='us': #base unit for time

                g_unit=usec

            elif global_units=='ms':

                g_unit=msec

            elif global_units=='s':

                g_unit=sec

            elif global_units=='Hz':#base unit for frequency

                g_unit=1

            elif global_units=='kHz':

                e_unit=1e3

            elif global_units=='MHz':

                g_unit=1e6

            else:

                g_unit=1

            units[str(global_name)]=g_unit

    GLOBALS={}

    for i in runmanager.remote.get_globals():

        GLOBALS[str(i)]=eval(i)*units[str(i)]

but I have still got the problem to address units directly from runmanager, instead of from lyse. If I update my variable unit or put a new global I need the script to learn the unit right away, i.e. before executing the experimental sequence and reading it in lyse. Any ideas?

Thank y'all,

Andy

[Andrea Fantini]

Hi everybody,

I just solved it!

Sorry for having bothered for such an easy thing.

Cheers,

Andy