Just want to create a 3d geometry line automatically (NOT BEST FIT)

Question

I am trying to draw a 3d line in my corridor dgn file. I have the feature definition toolbar ON and turning create 3d automatically ON. 
 I am snapping to 2 points on my corridor, both of which have elevations. 
 The line that is created seems to be "best fit" but i don't want that. I want the line to have the 3d elevations of what I snapped to. 
 I have tried multiple ways to do this best i can not figure it out. 
 Please assist. Thank you in advanced.

Mike Longstreet · Answer

If you are using the OpenRoad Geometry tools, you cannot really draw 3D graphics like it seem you are trying to. You seem to be using the Horizontal Line tool to draw in the 3D model. ORD is going to let you do that but will create the geometry in the 2D model and create the 3D according to the create 3D automatically which does appear to be as you mention the Best Fit. If you use a MircroStation "Place Smart Line" you can draw a 3D line in the 3D model. Then use the "Place Plan By 3D" tool in the Model Details ribbon 3D Tools Group. This will create 2D plan elements with the Feature Definition you select as well as a Profile set to match the 3D line string. I think that will get you what you are looking for.

Joe Muni · Answer

To add to what Mike said, you could just use the ORD Horizontal Line command and snap to the end of your corridor in the 2D Model to accomplish what you're after. Basically, do exactly what you're already doing, but do it in the 2D model with the Horizontal Line command.

Glenn B. · Answer

Another tool to consider using is the Quick Profile Transition tool. If your 2D element is snapped to two other 3d elements this tool will create a profile for the element that transitions between the snapped points of the 3D elements. 
 The transition can be linear or parabolic.

Just want to create a 3d geometry line automatically (NOT BEST FIT)

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