How can I blend GPOS values

Kunihiko_Okano's picture

Hi folks.

I'm working at a project to make OpenType(CFF) fonts in FontLabStudio5.
I made a Multiple Master font(1 axis) to make a weight family.
Each master needed to have a differense positioning value (ex. valt or palt),
but I didn't know how to input positioning value to each master.
How do I input these values to each master?
Even if I can input these values into it, how can I get medium positioning value of two masters?
I want to get these values automatically just like the kerning values.
Does anyone know the clue?

Best regards.

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