I am trying to get the lowest Z intersection of a line and floor geometry. Can anyone help with removing item 0 and 1 from the second set of points?

Can you show more of your graph for context?

So what I am trying to do is select a model element that has a attachement elevation and I am trying to drive that by the floor element that is directly above it. So the current way I have this happening is Dynamo is drawing a line vertically from the insertion point of the element and getting the intersecting elements. So I would like it to just take that first intersecting point to get the correct Z for my attachment.

So here is the Revit side. I want to select the elemenets and hit run on Dynamo and the concrete inserts go to the bottom of the floor/slabs.

Sorting by the Z axis intersect distance would be a good place to start, then you can get the first intersect and ignore the rest.

Thank you i will let you know if i run into a wall.

Just had to mess with some lacing and levels.

Glad you got it sorted you may as well mark your solution as such for the post.

Thanks again! In the end didn’t need the line but just the point Z.