I’m not sure if anyone's experienced this problem or not but when I look at an alignment that I’ve Data Referenced into my drawing in my Civil 3D 2011 the tangents and spirals display nicely but the curves don’t display correctly. I’ve shown an example below. As you can see, the curve doesn’t visually show as connecting to the spiral but the stationing (tick at the bottom) displays correctly on the theoretical alignment line. I can still select the alignment to do C3D operations on it but the curves don’t show properly. It’s quite annoying.
Oddly enough when I open the same drawing in my C3D 2012 it displays correctly so there must be some kind of C3D2011 setting or toggle that I’m missing. Would anyone happen to know anything about this or how I can fix it?
Credit where credit is due! Give kudos or accept as solution whenever you can.
Update: I did a little more Google research and it turns out that it's not just a C3D issue but an AutoCAD arc issue. Strangely enough when I set my VIEWRES to 20,000 it doesn't help at all but when I set my WHIPARC value to 0 instead of 1 it displays just fine now. I'm not sure what the deal is with this as I've only ever used VIEWRES to control arc smoothness and never dealt with WHIPARC before. Anyone know any potential problems with having my WHIPARC set to 0?
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