Thursday, April 24, 2014

Civil 3D Pipe Layer Whack-a-Mole

So, you create a reference to a pipe network in another drawing, and then you put the referenced version of the pipes and structures on a different  layer.  Everything's great, you can do whatever it is you wanted to do with that layer.  Until...you synchronize the reference.  Then, irritatingly, the layers revert back to some other default - and you're probably thinking that it's the same layers that the pipes are on in the source drawing, right?  Well...no soup for you.
First thing you need to know is that this behavior is fixed in Civil 3D 2015.
For those of you using 2014 and older, it turns out that the source of the switch isn't the layer in the source drawing, it's the default layers you see in the Network Properties command, and they can't be changed if it's a data reference.

So, where do those layers come from? They are "remembered" from the Drawing Settings at the time you make the reference.
So the workaround is to set the layers in Drawing Settings, create the reference, and then change them back. You are forcing the network to capture the layers you want at the time of the reference.  It works...try it!

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