jonf90430076 wrote That's basic and I'm not an idiot. I didn't say you were, although you do sound a little ungracious seeing that I'm volunteering my time and expertise for your assistance. There are many questions posted here by complete beginners to Ae. You question gave me no indication of your level of knowledge so I interpreted your question as best as I could. jonf90430076 wrote Lastly, isn't it up to the Poster, to determine whether a CORRECT ANSWER is to be listed, based on the result? All responses are listed, but you can mark an answer as correct. There is a button for you to click : ) So, to answer your question in summary: You need to look at the 'linear expression' which has the form: variable = linear (subject, subject min, subject max, output min, output max) and apply it to your iris. in other words : as the subject (eyeball) goes from a min value to a max value, the output (iris) should go from a min value to a max value. Goodnight.
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