AutoCAD Civil 3D General

Valued Contributor
Posts: 71
Registered: ‎09-12-2012
Message 1 of 3 (119 Views)

courdinate system and zone

119 Views, 2 Replies
08-22-2013 08:53 AM

i am surveing in Greece and here we use the GGrs 87 system.

what is that has to to with my drawing?



for now i know very litle about c3d and the simple tasks i am trying to do is importing points from gps (in ggrs87 system)
, make some linework and maybe some stakeouts at the moment.

should i give these settings to the "general drawing settings" or not?where is these seting needed for?


also ,we have some old maps in local courdinate system that needs a conversion to ggrs87 system.can i make this task in civil3d?

please forgive the sily questions but i am trying to be very careful on tasks like that and to avoid any mistakes.


thanks for your time and your help.

Valued Contributor
Posts: 76
Registered: ‎08-11-2009
Message 2 of 3 (94 Views)

Re: courdinate system and zone

08-22-2013 11:33 AM in reply to: achillesgr



Since GGrs87 system is defined in C3D, you can convert any local coordinate system you desire - provided the local system has some reference to lat/long, UTM, etc. It all comes back to having points in your local system (minimum two) that are georeferenced in some way.

Valued Contributor
Posts: 71
Registered: ‎09-12-2012
Message 3 of 3 (78 Views)

Re: courdinate system and zone

08-22-2013 01:27 PM in reply to: Jasono2009
Ok.if i have two points in both systems (local and ggrs87)how can i do this?from the settins card and transformation?

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