InfraWorks 360 FBX, Civil 3D, and Coordinate Systems

by: Eric Chappell | 02/27/2015
Estimated Reading time: 2 - 3 minutes

Note: Read this post (http://bimontherocks.com/remember-google-earth-import-in-civil-3d/) first, if you’re interested in seeing where the building and other data in this model came from.

Need to get an FBX out of InfraWorks 360 and into your Civil 3D model but you just can’t seem to get it to line up? Here’s how to do it.

First of all, set your InfraWorks 360 model and your Civil 3D drawing to the same coordinate system. Then go into your InfraWorks 360 model and launch the Export 3D Model command. Define your model extent as you normally would either using the entire model or defining it with a shape. I’ll make the assumption that you’ve already done this a few times, but if not, check this out: http://autode.sk/1Lzj3Go

Now here’s the first key: “Under Target Coordinate System”, set the Origin value to User Defined and then zero out all the values for X, Y, and Z.

01-zero_coords

Finish your export as you normally would resulting in an FBX file saved somewhere. Now flip to Civil 3D and launch the Import command on the Insert toolbar.

Here is the second key: On the FBX Import Options dialog box, set FBX file units to 1 and uncheck “Insert file as block”

02-importopt

And there you go…your 3D model should import in the proper location in your Civil 3D drawing.

03-result

Below is a video showing what I just described above:

 

Join the conversation in our InfraWorks 360 community: http://www.autodesk.com/community/infraworks-360/overview

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