Using DView with Paperspace Layouts


Good morning all.  Today’s topic is merely to add definition to an otherwise dead horse (long debate about how to “best” orient model space views). For those not familiar wth the debate – it boils down to using either Dview or UCS Rotate. In the firms i’ve used autocad and the vertical applications, we’e chosen Dview…..  Anyway, not why i’m writing today.

Alright, get to the point mcfly. (See, i really am self depricating).  There are some discussions being had on the autodesk groups that, while entertaining, need to have the facts identified a bit. In other words, i wanna clear my good friend, Dview’s, name. It seems that folks think that Dview will cause incorrect views because they think blah blah happens….  Well, like anything, its how we use it that doesn’t cause those issues.

So the devil is in the details.  People seem to be afraid of the fact that dview is a 3d view. Wait, you mean to tell me that civil 3d is a 3d application? Sadly, yes.  So even without using dview, you’re in a 3d view; well, because autocad at its base configuration is 3d. Scary i know.


Most people think just because you’re in a “top” view, things are 2d. Yes, autocad does inherently help you to constrain things to a 2d plane in certain views.  But what happens when you snap to an object with elevation? You get that elevation. Now, you can toggle that function, but for me, its on by default for grading purposes; i hate things @ zero elevation in my surfaces.

The other issue relates to a function of dview called clipping planes. These work as defined. So, for us, we don’t define them! Therefore, nothing is clipped. The option we DO use is twist. As the name implies, the twist command twists the view around the line of sight. So in a top oriented view, it simply rotates the view. Why is this important? With Land Desktop, the issue was object coordinates; ie – points would have different coordinates using UCS but not with Dview. Now in Civil 3D, that seems not to be the case. However, labels react to the view, not to UCS changes.

Simply issue DVIEW, skip the block selection and the type TW for twist.  Using the command, you have to enter a specific angle which i can never remember. So how do we use this?  We’ll put a reference line in the base survey on a NO PLOT layer or other object and use a LISP routine that’s been floating around the interwebs for a long time to retrieve the angle of the line, twist the view and set the crosshairs to be orthagonal.  If anyone is interested, drop me a line either here or kspear AT klingstubbins DOT com.


About Kevin
Hi… I am a husband, father, brother and neighbor. I am employed as a Civil Engineer and have enjoyed playing the drums for the last 30+ years.

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