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Message 1 of 5
Anonymous
5124 Views, 4 Replies
11-15-201606:18 AM
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11-15-201606:18 AM
Drawing on layer 0
Hello everyone.
I've been seeing a lot of posts and comments regarding Layer 0, many of which state that objects should not be kept on Layer 0. I've seen mentions of failed scripts, blocks not being properly referenced externally (XREF), and problems with attributes. I have even met a SolidWorks instructor who claimed that "AutoCAD does all of its calculations on Layer 0". However, I have not seen anything regardingactually drawing on Layer 0.
I use Layer 0 as an indicator to show which objects have not been properly assigned to a layer, and I do this by setting the default color of Layer 0 to Color 134 (in all of my templates), and my current color is almost always ByLayer. Later on, whether I am looking at a dynamic block or a redirection pattern of 1000 objects, I can see which objects will appear the way I need them to, as well as where in the drawing I have them (I've attached a 2010 *.dwg and a *.jpg if anyone wants a visual).
I'm trying to develop my drafting skills to make myjob more efficient and reduce chances for errors. Does anyone have thoughts on this practice? I understand that one alternative is to either make a "Temp" / "Working"/ etc. layer exclusively for new objects, or just draw directly to the intended layer.
Thanks in advance for your input!
Preview file
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1-up block test.dwg
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4 REPLIES 4
Message 2 of 5
11-15-201611:35 AM
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11-15-201611:35 AM
Setting the layer first and then drawing is my preference.
GrantsPirate
Piping and Mech. Designer
Always save a copy of the drawing before trying anything suggested here.
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If something I wrote can be interpreted two ways, and one of the ways makes you sad or angry, I meant the other one.
Message 3 of 5
12-08-201601:23 PM
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12-08-201601:23 PM
When you create a block, normally you want it's contents on Layer 0 and Color to ByLayer.
This will let you change the blocks color when it's inserted onto another layer.
There isn't any difference on how AutoCAD 'calculates' objects on different layers. Not sure where that idea comes from.
If you turn off layer 0 in the local drawing all of the attached Xref's layer 0 are also affected,
It doesn't matter if it's a local file or an attached Xref, Layer 0 is the same layer.
The same thing applies to the DefPoints Layer.
If you are going to use a drawing as an Xref you will want to have everything off of layer 0.
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(defun botsbuildbots() (botsbuildbots))
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Message 4 of 5
12-09-201609:42 AM
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12-09-201609:42 AM
@arcticad wrote:When you create a block, normally you want it's contents on Layer 0 and Color to ByLayer.
This is only true for the simplest of blocks. There are many uses for blockswhich do not follow this rule of thumb.
Rob
Drafting is a breeze and Revit doesn't always work the way you think it should.
Message 5 of 5
Anonymous
in reply to:Anonymous
02-10-201710:43 AM
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02-10-201710:43 AM
Best way is to use the good layer at the start. I think you can use an "overall" name to simplify things...
ex.: 00-TEXT for any text,
00-HATCH for.. you understand.
Think of it in terms of how you will need to edit those lines/objects later.
I don't think you save time if you change layer later, in any way you will have to do it so why don't do it first.
Plus you won't forget a line on Layer 0.
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