[PD] error using high speed camera in TCL

IOhannes m zmölnig zmoelnig at iem.at
Sun Sep 19 22:48:58 CEST 2021

On 9/19/21 13:43, Csaba Láng wrote:
> How can I fix it?

you provide very little context... however:

there's a well known issue exposed in the help-patch of [pix_video]: 
whenever you (successfully) open a video device, it will attempt to 
change the number of the radiobuttons in the [pd properties] subpatch.

due to a bug in Pd's radiobutton, this gives a Tcl/Tk error iff the 
canvas is not currently open.

the solution is simply to not modify and radiobuttons while there 
canvases are not opened.

btw, this is unrelated to high-speed cameras and/or pylon,...

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