Changing knob values
syntax:
knob .
knob Blur1.size 10
knob Blur1.name BlurWithNewName
If you want to go fancy you can pop up a message windo instead of printing into the shell:
message [knob Blur1.size]
syntax:
knob .
examples:
knob Blur1.size 10
knob Blur1.name BlurWithNewName
Reading knob values
To print info into the shell use "puts". This is Tcl's print command.
You will have to use square brackets to tell Tcl to evaluate the knob
command first and then use the result for the puts command:
puts [knob Blur1.size]
If you want to go fancy you can pop up a message windo instead of printing into the shell:
message [knob Blur1.size]
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