Is this Font Size Expression possible?

Question

I want to set up an expression where I can control the font size, but I want to limit how small/big that font size can go to using the slider. Is this possible?

For example.... If I want to limit the user to a range between 20 and 50 using the slider.

Appreciate any insight that could be provided!

Dan Ebberts · Accepted Answer

Sorry.... still new to the coding aspect of expressions...

If I pickwhip the source text to the slide expression on a Null layer, I get this as a result -

thisComp.layer("Slider").effect("Slider Control")("Slider")

I'm assuming that I have to do something like this to connect it all together -

thisComp.layer("Slider");
sl = effect("Slider Control")("Slider");
style.setFontSize(clamp(sl,20,50))

Unfortunately, I'm getting an error and I'm unsure what is throwing it. Thank you again for this help. I want to learn this better and understand it better.

In that case, it would be like this:

sl = thisComp.layer("Slider").effect("Slider Control")("Slider");
style.setFontSize(clamp(sl,20,50))

Mylenium · Answer

A simple linear(slider value, min, max) will do or alternatively a JS math clamp(). Mylenium

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