Morning
I am new to Civils 3D, please could anybody give me step by step instructions on how to convert an AutoCAD 2D survey drawing to a 3D survey drawing using Civils 3D.
Thanks in advance
Probably better off posting it so we can see what you've got
neilyj (No connection with Autodesk other than using the products in the real world)
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Yuk that's horrible.......
In the first instance I'd go back to the supplier and request a triangular DTM or a real 3D (i.e. X,Y,Z polylines and points/blocks) drawing
Whilst C3D could produce a surface from the text values of the levels, the position of the level will be the insertion point of the text rather than the plus sign. you would also need to create breaklines between each each "level". Some of the lines are very small length which means you can't use them directly as they do not span between level points.
You could also create Civil 3D points/feature lines manually by clicking each "level plus" and typing in the level
Unless you can get a better drawing this will mean a lot of tedious work in C3D
neilyj (No connection with Autodesk other than using the products in the real world)
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Unbelievable.... - what is the point of a "2D" survey??
neilyj (No connection with Autodesk other than using the products in the real world)
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Check this out:
http://novara.orangespace.pl/civil3d/points3d.zip
Did I well understand what you wished..?
Yes - very good but bear in mind my earlier reply that these points are at the insertion point of the text NOT the actual level location - this may be acceptable for your use but it may not be in which case your DTM is spurious
neilyj (No connection with Autodesk other than using the products in the real world)
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There is a tool called TopoGX which can convert this 2D survey into a 3D survey. It uses some kind of artificial intelligence to interpret the 2D drawing in the same way that we humans do when we look at it.
I attach a screen capture of the 3d view. Seems OK
For future reference, there is an application called Site3D which analyses 2D surveys like this and assigns each text item, that represents a level, onto the appropriate drawing feature (e.g. nearby cross, block or feature line), and makes a 3D surface.
The one-click 3D result from your uploaded DWG looks like this: