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Forums >> Revit Building >> Technical Support >> Change start and end heights of elements in radial array
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Joined: Wed, Aug 19, 2015
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Does anyone know of a way to have elements in a radial array shift vertically around the radius. As in the first element is at 0 elevation and the last is at 1m and all the elements between are spread equally between those heights. This would make the array into a helical pattern.
This can be done with linear arrays (you can have them spread along the line and across a height change) but I dont think it is possible with native revit with radial arrays through my testing.
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Interesting question, marmiketin1; distribute an element evenly spaced around a helix shape path sounds a lot like what Revit is doing when it places a balusters around a spiral staircase.
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Yes that is exactly what revit does for railings around a curved stair. Unfortunately I need something that can be that doesnt always have to be vertical. It is likely something that can be done with an adaptive family too using divided paths but i was hoping for something a bit simpler.
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"
This can be done with linear arrays (you can have them spread along the line and across a height change)...
"
Correct me if I’m wrong, but I envision that your linear array, in this case, is not changing height or orientation in relation to the work plane – the work plane itself is sloped and the elements being arrayed are hosted to that work plane. Is this not so?
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No with a linear array you can lock the first element to one workplane and then lock the last element to another workplane and then dimension between those planes and when you adjust the distance the elements shift accordingly between the 2 planes. I have made several fence families which use this
heres one of the families i have made http://www.revitcity.com/downloads.php?action=view&object_id=17687
Edited on: Thu, Sep 15, 2016 at 3:17:38 PM
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Great Tip! I’ve never used that before. Wicked cool! Thanks.
BTW: Keep us posted on your helix array challenge. I’d be interested how you solve it.
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I have been trying to do this with an adaptive family and was able to create a helix using a spline passing through several reference points but for some reason I am not able to create a solid using that spline and a profile. I would create the helical form using swept blends but those do not actually create a proper helix unfortunately
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I think what you did first, was create a divided path from your spline line. Isn’t that right? If so, you’re probably picking the divided path and profile to make the solid sweep, so it’s not giving you the option to create form. That’s because you can’t create a form by picking the profile and divided path. Tab to select the spline line hosting the divided path and have your profile follow that line to make the sweep. It should work.
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i was not selecting the divided path i was tab selecting to the spline. Maybe its because the spline is a reference line and not a model line. Although I have made forms using reference lines before. I am not sure
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Marmiketin1, there’s a pretty cool cat on YouTube named HyunWooKim who demonstrates how to do a lot of wicked cool stuff like this. Check out is channel at https://www.youtube.com/channel/UCaKybYEb-69SZZGdN-iMudg . He’ll inspire you. Ain’t no sound, but he’s pretty methodical and easy to follow along with.
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Ive seen some of his videos before. He definitely does some awesome stuff
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