Join Shaun Bryant for an in-depth discussion in this video Working with the new AutoCAD 2018.1 XREF commands, part of AutoCAD: Tips & Tricks.
- [Instructor] Welcome to another tip and trick that you can use in AutoCAD. We're going to have a look at some of the new AutoCAD 2018.1 update features. Now, one of these is your Xrefs and your layer overrides and things that you can use within AutoCAD. Now, bear in mind, you must be using AutoCAD 2018 with the .1 update installed for this particular tip and trick to work. Now, I've got a drawing open at the moment, it's called Host Drawing.dwg.
As usual you can download that from the website to use with this particular tip and trick. Now, you'll also notice I've got another drawing open as well here. If I click on XREF Drawing, that's the actual Xref that I'm referencing into the Host Drawing here. So, we've got two drawings open, Host Drawing, XREF Drawing. I've tried to keep them as simple as possible so the XREF is referenced into the Host Drawing, so if I went to the Insert tab for example, and clicked on the little arrow there on the reference panel, there's my XREF Drawing, obviously referenced into my Host Drawing in the external references palette there.
Now, let's have a look at how this works. You can override your layers in your Host Drawing, so if I went to the Home tab on the ribbon and went to my layer properties, you'll see that I've got various shapes there. There's the layers, I've got circle, polygon, rectangle, those are my Xref layers and you can see they're coming in from the XREF Drawing. So, what happens if I change the color of a layer that is referenced into my host Drawing? Well, let's change the rectangle color here for example, let's change that to yellow.
I'll click on OK, that changes that to yellow. Now, you'll notice, as soon as I do that I've got Xref overrides here, so you can see I've got an Xref override in place of color for example. So, I'll close the layer properties manager. Now, what happens if I go back to my Xref Drawing? Well, as you can see the rectangle is still green, so what happens is I've overridden the color of the layer in the host drawing. Let's go back to that Host Drawing again.
So, if I come in here like that you can see there's the override there. Now, go to the layer properties panel and click on the little settings cog there and you'll notice these are the new features in the 2018.1 update. These are your overrides, so I can retain my overrides if I want to to my Xref layer property, so that means my rectangle layer will stay yellow or I can show Xref layer properties to reload except the overrides if I want or I can say don't retain the overrides to Xref layer properties and that's the one I want to show you.
So, I'm going to OK that one there. So, what that means is that this yellow here in the Host Drawing, if I reload the XREF Drawing, it should convert my Xref back to its original color. So, let's just close the layer properties manager like so. Let's go back to my XREF Drawing and now what I need to do is check that that is still green which it is, so it's a poly line, rectangle, green layer. Go back to my Host Drawing like so and I'm now going to go back to the insert tab, click on the little arrow here in the reference panel and I'm going to right click on XREF Drawing and I'm going to reload it like so.
So, that reloads, I click on exit and lo and behold, rectangle is green again, so if I go back into my Home tab, and look at my layer properties now, notice no overrides. There's all my layers there, so if I just minimize all of this, non Xref layers, used layers, Xref layers. Can you see that there's no override there anymore? If I click there, there's just XREF Drawing layers, there's no override showing in the filters. So, it's a really neat tool that will actually allow you to work very closely with your Xrefs because I can guarantee what happens, somebody will load an Xref into a Host Drawing and they'll change the layers in the Host Drawing to suit their requirements but you want to reset those all back to the original Xref layers, so that's where you use these Xref overrides in your AutoCAD 2018.1 update.
Skill Level Intermediate
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