If I remember correctly it indicates wether a field is selected in the curve
editor.
On Mar 30, 2011, at 11:23 AM, John RA Benson wrote:
> Hey there -
>
> Just wondering - what does the 'i' in the expression inside the knob value
> mean? I'm assuming 'l' means label, 't' means tooltip, 'R' is range, but 'i'?
>
> In this instance, for a center knob in a transform, I created the expression
> for a horizon knob in a gizmo. In text form it looks like this:
>
> center {{parent.horizon.x i} {parent.horizon.y i}}
>
> what does the "i" do or mean? It's not always there (other expressions), and
> I'm not sure what I'm doing that puts it in some expressions and not others.
> Is there a doc that defines these things?
>
> thanks!
> JRAB
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