in general, whenever i load a .jls file into the GUI the view always shows “current and voltage” with “fill 2” selected… where/how can i change this to show “current” and “none” by default??? or, is there a way to control the viewing options within the .jls file itself – which i happen to be gener…

Hi @biosbob - yes, but this is definitely not well-documented. You need to add a JSON-formatted user_data with metadata value 0x400 . The metadata then updates the plot data structure . This should allow you to enable and disable chennels as you desire. The plot data structure is here . I think th…

can i put this in the same .jls file as my signal??? when i save a capture within the GUI it writes a 2nd annotation .jls with this user_data… i’ve been using pyjls info -v to inspect, but i have seen stuff like the marker annotations associated with a signal…

Hi @biosbob - You are correct that the Joulescope UI normally saves annotations as {filename}.anno.jls separately from the sample data {filename}.jls. However, annotations and user_data are two different things. annotations are attached to a signal. user_data is independent of all signals and sou…

Default view when loading a pre-generated jls file

Technical Discussion

mliberty August 14, 2025, 3:37pm 5

See Controlling the GUI programmatically -- can/cannot - #6 by mliberty

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Default view when loading a pre-generated jls file

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