AutoCAD Map 3D General Discussion

AutoCAD Map 3D General Discussion

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New Member
archdrafting
Posts: 1
Registered: ‎05-03-2012
Message 1 of 2 (132 Views)

New guy with some questions

132 Views, 1 Replies
05-03-2012 11:42 AM

Hi! My background is in architectural drafting/CAD, and I am being nudged into GIS at my firm. I have a lot of AutoCAD experience, so going though the Map3D tutorials was not a problem...but those tutorials don't answer some BASIC questions I have. 

#1- When starting a new map from scratch, what should I set the units to? Should they stay at decimal? Engineering? Architectural? Any recommendations for changes to the Standard Settings before I start drawing?

#2- should I assign a Coordinate system immedately before drawing, or can I do it afterwards, and then "move" the geometry to the correct coordinates?

#3- When I draw, should everything be done in inches, as Civil Drafters do? Or should I be working in Feet, and real world sizes; this is what our County GIS people want when we submit drawings to them in the future. 

#4- Where can I get some georeferenced photos of my region? I understand that if a coordinate system is set and if the photos are georeferenced that they should Automatically "snap" into place for easy tracing.

#5- Is there anyone out there using Map 3D in California?

Thanks!! 

Valued Mentor
parkr4st
Posts: 470
Registered: ‎03-24-2004
Message 2 of 2 (129 Views)

Re: New guy with some questions

05-03-2012 12:36 PM in reply to: archdrafting

set the coor system first along with any drawing layers you would use in each map you draw and save it as a template file so you con start a new drawing with all those items set as you like them

 

Units are relative to the CS you select. some are metric in meters; some are in feet indicated by the "F" in the Coord sys name  CA83-IF is cal state plane in feet . I'm not sure what part of the state that is in.

 

http://www.dot.ca.gov/hq/tsip/gis/datalibrary/gisdatalibrary.html   has all sorts of downloadable GIS data

 

 

 

 

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