Please see attachment. I have highlighted my TIN and for some reason when C3D triangulates my surface it is not incuding the complete polyline. You can see some magenta, blue and yellow lines that are not part of the surface. Portions of the polyline are not included in the TIN but some portions are. The lines are 2d and 3d polylines. I have tried adding vertices to the lines, created feature lines with them, converted the 2D polylines to 3D polylines, create points along the polyline.....tried adding them as breaklines, lines, points, etc. but none of these procedures will add the linework to my surface??? When it does this it leaves our model incomplete.
Solved! Go to Solution.
Solved by Joe-Bouza. Go to Solution.
Mark Green
Working on Civil 3D in Canada
I have never touched the "Weeding factors" setting. Just played around with it a bit, changed the setting (default 15)....tried "0", 2, 15. It will add a small portion of the line but still not including the complete line?????
Mark Green
Working on Civil 3D in Canada
Mark Green
Working on Civil 3D in Canada
When you go to add your breaklines the dialogue box pops up and you have to put a check mark in "Weeding factors" to enable and use it.
Mark Green
Working on Civil 3D in Canada
Thanks for your input. I have put in a service ticket with our Autodesk Support, hopefully they can find a solution!
When adding breakline data to the surface, reduce the value of the curve supplementing factor to add more data along the arc segments. I use 0.05-0.1.
You may also have crossing breaklines that are being ignored. In the surface properties command, on the Definition tab, change the Allow crossing breaklines property to Yes.
When adding breakline data there is a "Supplementing factors" area in the dialogue box.......I don't see anything for "Curve supplementing factor"???
Mark Green
Working on Civil 3D in Canada
You should also note that the surface's order of operations can also cause unexpected results particularly if you have borders in the surface definition. If you have borders they should be at the bottom of the Operation List in the surface's props dialog, defintiions tab.
John Mayo
Joe Bouza
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The lines can also be converted to Feature Lines and then you right click on the Feature Line "Add to Surface as Breakline". If needed you can insert PI's along the Feature Line (works well on curb returns) at specific intervals to tighten up the TIN.
Mark Green
Working on Civil 3D in Canada
I don't think the mid-ordinate setting is your only problem though. The breaklines are also being ignored in straight sections. See the parts I've circled in red.
Mark Green
Working on Civil 3D in Canada