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CAD Surfaces in ArcView

ChristianRomeyn

What is the best way to take a surface from Civil 3D 2011 and bring it into Arcview? I have tried saving the TIN triangles as 3D polyines and adding them to Arcview as a CAD group layer but I can't use them to make a surface. I also tried exporting the 3D tin lines from Civil3D into a shape file but the lines do not appear to be 3d...any help would be appreciated.

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CoreyCharlick

I have been able to successfully create the TIN in ArcGIS from a CAD drawing. I did need 3D Analyst ext to create the Terrain and then the TIN. I have step by step instructions and would be happy to share if you would like.

I would love the step by step instructions if you have them available. We are have issues with the process.

Regards,
Corey

TimGrud

Tim,

Did you figure out how to do this (CAD to TIN)?

Sara

Sara, No luck yet.

I am trying work arounds. I have 3d analyst, computed volumes in Carlson Civil using a surface from ACAD 3D.

Go figure.

Any help is much appreciated. I ultimately want to check the Carlson Volume generated in 3D in 3D Analyst.

Nothing is easy,

tim

EmilyParson

I am having the same problem.

SaraGilbert

I am having the same issue. Can you share your instruction list with me.

thanks,
Tim

Tim,

Did you figure out how to do this (CAD to TIN)?

Sara

TimGrud

I have been able to successfully create the TIN in ArcGIS from a CAD drawing. I did need 3D Analyst ext to create the Terrain and then the TIN. I have step by step instructions and would be happy to share if you would like.

I am having the same issue. Can you share your instruction list with me.

thanks,
Tim

MatthewBoyle

Does anyone know how to do the reverse...? Take a TIN from ArcGIS and drop it into AutoCAD Civil 3D?

marieducharme

I have been able to successfully create the TIN in ArcGIS from a CAD drawing. I did need 3D Analyst ext to create the Terrain and then the TIN. I have step by step instructions and would be happy to share if you would like.

Hello Audrey!

I am having some problems converting a 3d Cad file into a proper TIN. I would be very very interested in getting your step by step instructions!!!

Marishka

AudreyGarcia

What is the best way to take a surface from Civil 3D 2011 and bring it into Arcview? I have tried saving the TIN triangles as 3D polyines and adding them to Arcview as a CAD group layer but I can't use them to make a surface. I also tried exporting the 3D tin lines from Civil3D into a shape file but the lines do not appear to be 3d...any help would be appreciated.

I have been able to successfully create the TIN in ArcGIS from a CAD drawing. I did need 3D Analyst ext to create the Terrain and then the TIN. I have step by step instructions and would be happy to share if you would like.

JoettaCanaan

Did you ever find a solution? I am having the same problem.

MichaelMorgan

...I also tried exporting the 3D tin lines from Civil3D into a shape file but the lines do not appear to be 3d...any help would be appreciated.

One thing you might check in Civil 3D: if you're using mapexport at the commandline to create a shape file, select the options tab and click the Driver Options button, select 3D shape file and click OK.

mike

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