One of the very first Dynamo blog posts I read demonstrated how to place an adaptive fence component so that it would follow Topo. At the time, I thought it was an interesting concept, but not overly useful since I typically use non-adaptive fence components and fences will frequently step (instead of slope) with grade change.
However, not all fences are stepped, and I recently decided to take a look at trying the same concept on a non-adaptive fence. It is quite a bit more complicated than the adaptive version, but there are several reasons why you might not use an adaptive fence component and the concept can also be used to place a stepped fence.
To start out, I wanted to be able to create a fence from a set model lines. And I wanted the definition to work regardless of the order the lines were drawn and also if the lines were open or closed, so I created the node Curves.Reorder.
I also wanted to specify the typical fence span/length, divide the lines by that…
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