12d Model

My project is with sector roads includes large number and deferent category of land scaping. For Hard scape and softscape, the earth work quantity, wish to assign ID for polygons by model name. The target is once chosen the model name to achieve quantities tin to tin method, the summary sheet should...

Not always, some cases it happen.From thousands of strings difficult to find out and rectification. So I suppose in 12d any tools like globally select and resolve.

Globally how to trim strings or extend up to the intersection of strings .In my model plenty of strings not intersected properly or exceed the one strings beyond the the crossing strings. Example horizontal strings exceeded the vertical strings. Kindly advise how to resolve. Also how to trim all str...

survey=>edit=>stringing=>new string when i use it showing no function attached. what is the function to attach?