AutoCAD Map 3D General Discussion

AutoCAD Map 3D General Discussion

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lesnavar16
Posts: 15
Registered: ‎05-03-2012
Message 11 of 15 (197 Views)

Re: Coordinates Transformation II

10-04-2012 04:49 AM in reply to: antoniovinci
I did have the lats positive. I will try negative longs now. Thanks a million for all of your help!
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rmacan
Posts: 74
Registered: ‎12-19-2005
Message 12 of 15 (188 Views)

Re: Coordinates Transformation II

10-04-2012 07:19 AM in reply to: antoniovinci

oops!  Yep, I had it backwards...multitasking and copy/pasting error.  PA is in the NW quadrant.  Thanks for catching that Antonio!

 

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lesnavar16
Posts: 15
Registered: ‎05-03-2012
Message 13 of 15 (182 Views)

Re: Coordinates Transformation II

10-04-2012 10:30 AM in reply to: rmacan

This is probably a very stupid question but here it goes...How do you plot true latitude and longitude?

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antoniovinci
Posts: 1,750
Registered: ‎06-03-2011
Message 14 of 15 (178 Views)

Re: Coordinates Transformation II

10-04-2012 11:38 AM in reply to: lesnavar16

lesnavar16 wrote:

How do you plot true latitude and longitude?


You can't, 'cause Lat/Long are spheric coordinates: we live on a rounded planet, but paper and screen are flat, sir.
That's why you should project your LL data in a cartesian fashion, e.g. UTM.

Contributor
lesnavar16
Posts: 15
Registered: ‎05-03-2012
Message 15 of 15 (174 Views)

Re: Coordinates Transformation II

10-04-2012 11:42 AM in reply to: antoniovinci
HAHAHAHA...I know. What is the point in given locations in true lats and longs, then?
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