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OpenRoads | OpenSite Forum I have a 3D bridge model generated in AutoCAD that I need to convert into an Inroads 3D model. How can I do that?

I have a 3D bridge model generated in AutoCAD that I need to convert into an Inroads 3D model. How can I do that?

Offline John Green over 5 years ago

I have a 3d bridge model generated in AutoCAD that I need to convert into an Inroads 3D model. How can I do that?

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Offline Robert Garrett Mon, Nov 20 2017 12:45 PM +2

Maybe you don't need to do anything? It may be sufficient to just reference the DWG into the Default 3D model of your road model. If the bridge shows up in your cross-sections then you may be done. (I…
Offline Robert Garrett Mon, Nov 20 2017 4:31 PM in reply to John Green +1

Hi John: The bridge objects do not need to be terrain models, meshes should be fine. Any mesh, terrain model or solid object type should show up in cross-sections. It sounds like the bridge objects are…

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0 Offline John Green Mon, Nov 20 2017 4:17 PM

Robert,

Thanks for the help. My end goal is to have some type of surface file, or files, in InRoads that are surfaces that will show up in cross sections, etc. I have 3D objects of the abutments, piers, beams, median barriers and parapet walls as well as top and bottom of deck, but they are Autocad objects and not dtm surface files. When I try to create a profile or cross sections the dialogue says no surfaces selected. I copied them into my dgn and they appear to be meshes or shapes or 3D objects of some type in MicroStation but Inroads doesn’t seem to recognize them. I am running Power Inroads but I just got it. I am used to running Inroads V8 Select Series 2. Is there some way I can convert these objects into something Power Inroads will recognize. Hopefully by importing from graphics so I don’t have to redraw all these beams and stiffeners, etc.

John L. Green, P.S.

Designer - Surveyor

T +1 (304) 356 3010 ‌T +1 (304) 356 3002 ‌C (304) 552-4443 ‌F +1 (304) 357 9222

John.L.Green@mottmac.com

Mott MacDonald

201 Pennsylvania Avenue

Suite 400

Charleston WV 25302

United States of America

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0 Offline John Green Mon, Nov 20 2017 4:17 PM

Robert,

Thanks for the help. My end goal is to have some type of surface file, or files, in InRoads that are surfaces that will show up in cross sections, etc. I have 3D objects of the abutments, piers, beams, median barriers and parapet walls as well as top and bottom of deck, but they are Autocad objects and not dtm surface files. When I try to create a profile or cross sections the dialogue says no surfaces selected. I copied them into my dgn and they appear to be meshes or shapes or 3D objects of some type in MicroStation but Inroads doesn’t seem to recognize them. I am running Power Inroads but I just got it. I am used to running Inroads V8 Select Series 2. Is there some way I can convert these objects into something Power Inroads will recognize. Hopefully by importing from graphics so I don’t have to redraw all these beams and stiffeners, etc.

John L. Green, P.S.

Designer - Surveyor

T +1 (304) 356 3010 ‌T +1 (304) 356 3002 ‌C (304) 552-4443 ‌F +1 (304) 357 9222

John.L.Green@mottmac.com

Mott MacDonald

201 Pennsylvania Avenue

Suite 400

Charleston WV 25302

United States of America

Website | Twitter | LinkedIn | Facebook | YouTube
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0 Offline Robert Garrett Mon, Nov 20 2017 4:31 PM in reply to John Green
Hi John:

The bridge objects do not need to be terrain models, meshes should be fine. Any mesh, terrain model or solid object type should show up in cross-sections. It sounds like the bridge objects are some sort of special type of Autodesk object which Microstation doesn't recognize except graphically. Have you tried exploding the bridge objects in AutoCAD first, then save as DGN?

Robert Garrett
Senior Consultant

www.envisioncad.com
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