Total QTY and LENGTH of common edges. IE Left Top Right Bottom. Whats better MESH or SURFACE. (#2)

Replies to This Discussion

Permalink Reply by David Rutten on November 28, 2016 at 1:32pm

So the problem is you have a bunch of curves that represent surface edges, and you want to figure out for each curve whether it belongs to the 'top', 'bottom', 'left', or 'right' category?

How do you define membership of these categories?

Permalink Reply by Chris Fitch on November 28, 2016 at 1:40pm

Not sure. So as you can see that there are 0,1,2,3 for the different edges. Does this always stay the same with 0 always being one side ect. which looks like it does. So what I need it to do is give me the quantity of all 0's 1's 2's 3's for total count and total length. Something like this.

0,12,1746
1,12,1983
2,12,1983
3,12,2467

Then I can hid the first branch.

Permalink Reply by David Rutten on November 28, 2016 at 1:44pm

[...] which looks like it does.

I wouldn't count on it, it's certainly not a guarantee. You may get lucky it may work, but be careful and double check the results if this ends up in a fabrication pipeline.

When you extract the edges you can plug them all into a [List Item] component, then zoom in on the right side of the component and add the [+1], [+2] and [+3] outputs. You now have 4 separate outputs, each containing only one type of edge.

Permalink Reply by Chris Fitch on November 28, 2016 at 1:57pm

But how do I have it total them and count them. This is pretty new to me. Is there anyway to show me.

Thanks

Permalink Reply by David Rutten on November 28, 2016 at 2:37pm

Ah, sorry, you'll need to measure all the curve lengths individually first. You can do this either before the [List Item] component in which case you only need to add [Curve Length] once, or you can do it after, in which case you'll need to add the component 4 times, once for each category.

Once you have the lengths in 4 separate streams, you then use [Mass Addition] to add up all the numbers in a list. But careful, after the [List Item] component your curves are probably not in a single list, they are more likely to exist in trees where each curve is in a separate list. So you'll need to flatten these trees first, then perform mass addition.

Permalink Reply by Chris Fitch on November 28, 2016 at 4:02pm

Thanks ill try it out when I have more time.