Question about Electric Dreams Get Spline Data Selection Tag

Hello everyone. I downloaded Electric Dreams environment to examine some PCG techniques. However I am already stucked at the beginning of the almost every graph.

So graph begins with Get spline data node, where PCG_ManualSpline is typed as a tag. But I am not able to see that tag on the spline, which is referenced:

I see only MainSpline tag on needed spline. And the interesting thing is If I type MainSpline in Get Spline Data node it gives me an error, says no matching actor was found:

I think i am just blind and cant notice PCG_ManualSpline tag somewhere in the settings

I know I’m a little late to the party but since no one has answered I thought I might give it a shot. I think the problem you’re facing is that the Tag you need is not on the spline itself but on the blueprint. The spline is just a component of said blueprint. Have you tried looking there?

Yes it turned out that there are different types of tags as i understand, there are component tags and actor tags.

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So firstly if you need the exact actors you select them using actor tag, and then with filter by tag node you select the exact spline you want

Yep, that’s about my understanding of it. Been having other questions myself, though, I don’t know if you might have some insight on the matter.
Such as, why would we need to filter for Mainspline and Active_spline after each get node. Also, why a union node would be used before each difference node.
Some complicated stuff, wish there was some in depth documentation on the matter…

I believe they mentioned in graph that they used union node because the old difference node was deprecated, something like that. anyways i use difference without union and it works well for me in all the cases

Also about Mainspline and Active_spline, do you mean using filter by tag after any get spline data node? if yes, in get spline data we set something like “source” where we are going to look for the spline, with filter by tag we choose exact spline we want, we can avoid using filter by tag, but then it will output data from all the splines from our source

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