Hello everyone, i need help about rotating family instance based on line direction angle. I am trying to make a safety line to rounding a pile cap through dynamo So, i did the following. but, the results is not what i expected. I know theres something that im missing cause this maybe a very common…

[image] Nick_Boyts: I believe AngleWithVector finds the relative angle, so it only goes up to 180 degrees. Vector.AngleAboutAxis for the win!

I believe AngleWithVector finds the relative angle, so it only goes up to 180 degrees. You would also have to take into account the directionality of the line to know whether it’s a positive or negative 90.

You could make a cable box family and have parameters control the size of the box and the height of the cables. Have the origin/insertion point set to the center/bottom of the cable box. Then use FamilyInstance.ByPoint to place cable box family. The insertion points would be the intersection of the …

[image] Rotate family instances based on line direction angle Revit Vector.AngleAboutAxis for the win! It works perfectly !! Thankyou so much [image]

Rotate family instances based on line direction angle

Revit

jacob.small February 1, 2024, 10:51am 4

Vector.AngleAboutAxis for the win!

3 Likes

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Rotate family instances based on line direction angle

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