Is there a way to set layers so that one layer is on the bottom, one in the middle and one on top? I would like certian layers to appear behind others (hidden lines, or grayed lines where the parts overlap). Like a primary, secondary and tertiary layer such that primary is always on top and tertiary always on the bottom.
Thank you.
Layers are not set up like that in any version of AutoCAD - they are used to seperate different types of drawing objects to make it easier to style/format them and to un-clutter your workspace when needed (etc.). AutoCAD layers are sort of based on the old chalk paper - which is (for printing purposes) fully transparant and everything ends up black or white so you can't see the draw order anyway.
If it worked in the way you are suggesting (the photoshop way) - you'd end up with multiple layers of the same types of objects... like multiple dimensioning layers'- just because that dimension needs to go on top and the other at the bottom.
What you _can_ do is use the "draworder" command in combination with selecting everything on a layer.