AutoCAD Civil 3D General Discussion

AutoCAD Civil 3D General Discussion

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Post 21 of 29

Re: Shapefile datum issue

12-20-2011 08:06 AM in reply to: AllenJessup

Try the pics in the zip fle attached.

 

Martin

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Post 22 of 29

Re: Shapefile datum issue

12-20-2011 08:07 AM in reply to: AllenJessup

I might have to go that way, but was told to exhaust all other avenues before I did.

__________

AutoCAD Civil 3D 2012 (Primary), 2011 by contract.
Dell Percision T3500: MS Windows 7 64-bit SP1; Intel Xeon CPU W3505 @ 2.53GHz, 12.00 GB RAM, NVIDIA Quadro 600
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Post 23 of 29

Re: Shapefile datum issue

12-20-2011 08:09 AM in reply to: wsargent

wsargent wrote:

was told to exhaust all other avenues before I did.


Not really a bad suggestion. As long as your being given the time to figure it out. Great.

 

Allen

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Post 24 of 29

Re: Shapefile datum issue

12-20-2011 08:39 AM in reply to: MMorrison

MMorrison wrote:

Try the pics in the zip fle attached.

 

Martin


What program are you using? That looks a lot easer than the interface I have (Civil 3D 2011).

 

The pictures are helpful, but because of program discrepancies (or user error) my data is landing thousands of miles south east and rotated approximately sixty degrees. When I was defining the datum I only found the two below tabs to impute the system data in.

__________

AutoCAD Civil 3D 2012 (Primary), 2011 by contract.
Dell Percision T3500: MS Windows 7 64-bit SP1; Intel Xeon CPU W3505 @ 2.53GHz, 12.00 GB RAM, NVIDIA Quadro 600
Active Contributor
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Registered: ‎01-23-2007
Post 25 of 29

Re: Shapefile datum issue

12-20-2011 08:58 AM in reply to: wsargent

I'm using C3D 2012.  I guess I should have used an older version.

 

The issue with your data being off is; you are picking a geodetic system and you should be picking non-geodetic/ellipsoid (Clark 1866).

 

Martin

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Post 26 of 29

Re: Shapefile datum issue

12-20-2011 10:39 AM in reply to: MMorrison

MMorrison wrote:

I'm using C3D 2012.  I guess I should have used an older version.


I don't have access to Civil 2012 yet. Our IT staff has not upgraded the license file because most of the staff is still on the 2009 releases.

 


MMorrison wrote:

The issue with your data being off is; you are picking a geodetic system and you should be picking non-geodetic/ellipsoid (Clark 1866).


I attached the wrong image. The above discription is using the non-geodetic/ellipsoid (Clark 1866) setting.

 

I think the biggest problem I am having is that I cannot choose to use NAD 27 as a base datum like you do in step three of the images. It appears like I only have access to step four, defining the coordinate system, which is the two tabs that I provided screen shots of (unless I am missing something).

__________

AutoCAD Civil 3D 2012 (Primary), 2011 by contract.
Dell Percision T3500: MS Windows 7 64-bit SP1; Intel Xeon CPU W3505 @ 2.53GHz, 12.00 GB RAM, NVIDIA Quadro 600
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Post 27 of 29

Re: Shapefile datum issue

12-21-2011 06:01 PM in reply to: wsargent

Hi Walter,

With the help of Martin (well detailed), I created the CS that you need. Please use this drawing that has the custom CS already assigned to it, as soon as you open the drawing you should have the new CS added to your library.

Hope this will help you.

Tatiana Machado
AEC-ENI Application Engineer
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Post 28 of 29

Re: Shapefile datum issue

12-22-2011 05:56 AM in reply to: machadt

That worked. Thans so much for the help.

__________

AutoCAD Civil 3D 2012 (Primary), 2011 by contract.
Dell Percision T3500: MS Windows 7 64-bit SP1; Intel Xeon CPU W3505 @ 2.53GHz, 12.00 GB RAM, NVIDIA Quadro 600
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Registered: ‎10-25-2011
Post 29 of 29

Re: Shapefile datum issue

12-22-2011 06:43 AM in reply to: wsargent
It is my pleasure to help.
Happy Holidays to all!
Tatiana Machado
AEC-ENI Application Engineer
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