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Sometimes changing layer settings can make it easier to work on a drawing. If you are working with a busy drawing, it might be a good idea to turn off layers that arent necessary for your work. or maybe you could take the layers that you are working on, and make them a single color like white, such that the objects are easily identifiable on screen. Well, the nice thing is if we adjust our layer settings to simplify our drawing, we can always Layer Previous command to return our layers back to the original settings. Let's take a look. On my screen, I have got an architectural example.
Let's say, I would like to make some changes to this floor plan. I am going to start by coming over to the Layer Properties Manger. Now, mine happens to be anchored to the interface. if yours is not, you can always press this icon to bring the Layer Properties Manger up on screen. I am going to hover to open this up and I am going to start by selecting the layers that I want to work with. I am going to click to select interior walls and then I will hold my Ctrl key and I'll select interior walls dashed and I'll select doors.
By holding down the Ctrl key, we can select more than one layer. Now, these layers are all different colors, I am going to move down and click the Color swatch and I am going to change this color to white, and I'll click OK, and AutoCAD applies that color to all of the selected layers. I am going to go back to the Layer control. Notice these layers are still selected. I am going to right-click over a selected layer and then I'll come down and select Invert Selection. This selects all of the other layers.
Now, I can click one of these light bulbs and that will turn all of the other layers off. As you can see, this greatly simplifies my drawing and makes it much easier to focus on the floor plan. In fact, take a look at this. I am going to zoom in over here. By isolating this geometry, I have exposed an error in my line work. That's alright, let's fix this. I am going to launch the Erase command and I'll erase this line. Then I'll click to select this line, I'll grab the grip, and I'll pull it up to this endpoint.
When I am finished, I'll press Esc. Now, I would like to make a design change to this floor plan. I'd like to make some modifications to my foyer area. Let's zoom in a little bit. I would like to move this wall back 2 feet. That will make my foyer a little bit smaller, but it will make my porch a little bit larger. To make the change, I am going to lunch the Stretch command, and then I'll make a crossing window around this geometry and I'll right-click. I'll pick my geometry up from the endpoint here and my Ortho was locked.
Now, as I pull this up, I am being mindful of my running object snaps. Notice where my cursor is, my cursor is not sitting on the line. I'll pull this back and I'll type 2 feet, Enter. Finally, I am going to double-click my mouse wheel to get a zoom extense of my geometry. Alright, now that I am finished with my changes, let's put the layer settings back the way they were. Remember that to get to this point I made two changes. I turned a group of layers off and then I changed the color of some layers. I am going to move up to the Layers panel and click the Layer Previous button.
Layer Previous allows me to back up through my layer changes. It's kind of like an undo for your layer settings. The first time I clicked the icon, AutoCAD restores the layers I turned off. I am going to click the icon again, and AutoCAD will restore the layer colors. Don't be afraid of changing layer settings if it makes it easier to work on your drawings. Even if you make several adjustments, you can always restore the layers to their original state by using the Layer Previous command.
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