Converting spherical lat long projection into UTM coordinates

Converting spherical lat long projection into UTM coordinates

Anonymous
Not applicable
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Message 1 of 5

Converting spherical lat long projection into UTM coordinates

Anonymous
Not applicable

I have a .dwg road map in latitude/longitude coordinates. I need to convert into a utm zone 17 nad83 coordinate system. It's a road map of a small town and the roads are represented by simple lines.

 

I tried copying the lines into a new drawing with the UTM coordinate system, but the vertical projection is not correct. There is a roundabout that I know should be spherical in the UTM projection, but it is a squished circle or ellipse in both drawings.

 

Is there a way to transform the drawing accurately?

 

I need the result to be in metres of northing and easting.

 

Vertical progection screenshot

https://gyazo.com/f83db184e5f23114647d7f4bbda040ab

 

Drawing

https://drive.google.com/file/d/0B6BHHUGWI7C6QXV2YzFnS1NiaUE/view?usp=sharing

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4,470 Views
4 Replies
Replies (4)
Message 2 of 5

Pointdump
Consultant
Consultant
Accepted solution

BNI,

 

Assign an LL83 coordinate system to your "goderich map trimmed lat long.dwg". Save and Close.

 

Open a new drawing and assign a UTM83-17 Coordinate System.

 

Attach and Query the "goderich map trimmed lat long.dwg". All is good. Drawing attached.

 

TownCenter.png

 

 

 

 

Dave

Dave Stoll
Las Vegas, Nevada

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64GB DDR4 2400MHz ECC SoDIMM / 1TB SSD
NVIDIA Quadro P5000 16GB
Windows 10 Pro 64 / Civil 3D 2027
Message 3 of 5

Anonymous
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Incredible! Thank you, Dave.

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Message 4 of 5

Anonymous
Not applicable

Dear All,

can someone help for following error is from Map 3d 2019 , drawing coordination is disabled, we are here using 40S, we are Engineers from Road Development Authority of Mauritius.

We had meeting with IDEATE Technologies, is there an Engineers specialised that can help for.

Note that on Map 3d 2015 we did not encounter any problem for coordination from UTM to LGM format.

My email is [email protected], Mr BOODHUN Technical Design Officer.

We had meeting with Mr. Simon of Ideate and related same problem for.

Can you please review and let us know for remote desktop using Teamviewer and skype.

Thank you in advance

 

Kind regards

 

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Message 5 of 5

Pointdump
Consultant
Consultant

Mr. Boodhun,

Welcome to the Autodesk Forums.

Probably best to start a new thread for this. More details on the problem are necessary. Screenshots and even posting your drawing will be a big help.

Dave

Dave Stoll
Las Vegas, Nevada

EESignature

64GB DDR4 2400MHz ECC SoDIMM / 1TB SSD
NVIDIA Quadro P5000 16GB
Windows 10 Pro 64 / Civil 3D 2027
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