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Author: Gaurav Bagga Sketchup, Infrastructure Modeler, AutoCAD Civil 3D, AutoCAD

At Ideate, we are asked about the value of purchasing the Infrastructure Design Suite. Included in Infrastructure Design Suite Premium and Ultimate is Autodesk Infrastructure Modeler; a great program for quickly visualizing your design in context for meetings with stakeholders and/or clients.

Problem – you are using Infrastructure Modeler to present your next urban development project proposal. And to make it more realistic and compelling you want to insert a 3D model of the nearby landmark giving the project stakeholders a visual perspective. You have seen 3D models of buildings in Google Earth but this is Infrastructure Modeler. Not Google Earth!
 
The 3D buildings you see in Google Earth are sketchup models. But can you import these 3D models in Infrastructure Modeler?

 

 

Is it possible to import any sketchup model into Infrastructure Modeler? The answer is Yes. Here’s how!

Before I raise your hopes – I am not aware of any direct way to achieve this so we will have to take a detour via Civil 3D.
 
So the process is to:

  1. Import the model first into Civil 3D by using the Sketchup Import plug-in. This plug-in can be downloaded and installed from Autodesk Exchange which is found in the Infocenter on the top right as shown below.

 

 

    2. Then export this model to an FBX file

    3. And finally import and configure it in Infrastructure Modeler. Configuring includes move, scale, rotate as necessary to georeference.

You can possibly insert the Sketchup model in Civil 3D project drawing that contains the georeferenced image and terrain and move, scale and rotate the model to georeference it here in Civil 3D.

Import the Model in Civil 3D

From within Civil 3D, Plug-ins tab > Sketchup Import panel > click on Get 3D Model

 

 

From Sketchup Import – Get 3D Model window, click on Download Model to download and insert the model in Civil 3D. Depending upon what’s available you will be given options – I got the 9MB model.

 

 

Here is the 3D model of Golden Gate Bridge in Civil 3D.

 

 

Export the Model to FBX

Go To Application Menu > Export and save the file as FBX format.

 

 

In the FBX Export Options dialog box, choose what you want to export appropriately – I exported everything visible – the drawing had only one model.

 

 

Import the Model in Infrastructure Modeler

From within Infrastructure Modeler, click on Data Source in the Home tab to open the Data Source palette. Click 3D Model as shown below and then pick the above FBX file. I had already imported the surface and image from Civil 3D 2012 using LandXML and Raster data sources, respectively.

 

 

Once the model is imported you need to configure it.

In the Data Source palette, double click on the row corresponding to the FBX file you just imported.
 
In the Data Source configuration dialog box,

 

 

That’s it, you are done.

Here is the final result in Infrastructure Modeler. Enjoy!

 

 

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     Gaurav Bagga
Gaurav Bagga
Senior Application Specialist Infrastructure

Gaurav is a Senior Application Specialist for Infrastructure Solutions at Ideate based out of San Francisco. He has over 18 years of experience in construction and related software industry. With this extensive design technology background he helps engineering and surveying companies, federal and state government agencies, and ENR 500 firms critically analyze and improve their construction drawing production process. He implements Civil infrastructure design technology led by InfraWorks and Civil 3D and has helped Ideate grow Civil Infrastructure Services. Being an industry recognized speaker he has presented cutting edge design technology at several industry conferences such as Autodesk University. Find Gaurav on Twitter.