Make List Item work incrementaly

This is a script that i got from Mike Pryor's page on Vimeo which i wanted to modify in the way that i could not only tween one surface between two other srf's (rhino geometry) but that it generates multiple surfaces between those two. i somehow figured it out but i want it to be parametric instead of having to add another list item if i want to increase the number of tweened surfaces. is there a way to make the list item work incrementaly???? i tried to feed it a series of numbers, which didn't work. Is there another way to sort the points that are equaly spread on the lines that connect the two surfaces? i am trying to achieve that i have one list which is sorted not only in points per surface but groups them together so i can make polylines from them and loft them aswell. any sugestions???

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Permalink Reply by fffelan on September 21, 2013 at 7:15pm

this is the definition btw

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UNFINISHED tween between 2 surfaces.gh, 24 KB

Permalink Reply by Michael Pryor on September 21, 2013 at 9:03pm

Look at this definition up to the part that says "create between surfaces"
http://formularch.blogspot.com/2012/12/gh-layered-blendbox.html?m=1

Permalink Reply by fffelan on September 22, 2013 at 6:29am

cool! thank you very much. i had the feeling that i'd have to use the flip matrix thingy somehow, but it always returned the message "all paths my only differ by a single locus". what does that mean exactly?

Furthermore i tried to recreate your script to the end, but it seems not quite to do what i want: The two parts of the definition work individually. so tweening the surfaces AND making boxes between two surfaces work. but when i try to connect both parts each surface does not only react to it's partner surface below or above. all boxes are generated from the lowest surfaces up to each other surface. they overlap. it must have to do with shifting the list of surfaces up and down, but i can't figure out how to fix it. could you have another look and see what i maybe did wrong?? that'd be awesome.

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