# How do I set a projection in Civil 3D?

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## How do you define a projection in Civil 3D?

While the drawing is open, click on the Application menu (Civil 3D/Map 3D icon at the top left) and go to drawing utilities>drawing settings. When the Drawing Settings dialog box appears, define the projection in the Units and Zones tab.

## How do you set a coordinate system in Civil 3D?

1. On the quick access toolbar, select the Planning and Analysis workspace , as shown below.
2. On the Map Setup tab>Coordinate System panel, click the down arrow next to Create and select Create Coordinate System.
3. On the Specify the starting point page to Start with a coordinate system, as shown below.

## How do you set a coordinate system in CAD?

To Assign a Coordinate System to the Current Drawing

1. Do one of the following: On the status bar, click the down arrow next to Coordinate System and click Library. …
2. In the Coordinate System Library, under Current Drawing, enter the coordinate system code for the current drawing in the search field. …
3. Click Assign.

## How do you set up a coordinate system?

First, we draw two number lines perpendicular to one another, intersecting at the point 0 on both lines. Then, we simply label the horizontal number line as the x-axis and label the vertical number line as the y-axis. There we have it! Our coordinate plane has been created!

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## How do you create a projection in AutoCAD?

Open the Settings tab in the Toolspace. Right-click on the DWG and “Edit drawing settings”. Select a projection and coordinate system on the first tab of the dialog.

## How do I set coordinate in AutoCAD 3D map?

Create/Modify Coordinate System

1. To base the coordinate system on a datum , select Geodetic. Click Select to specify the datum.
2. To base the coordinate system on an ellipsoid , select Non-geodetic. Click Select to specify the ellipsoid.
3. To create a coordinate system that is neither geodetic nor non-geodetic, click None.

## How do I set State Plane Coordinates in AutoCAD?

To Assign a Coordinate System to the Current Drawing

1. Do one of the following: On the status bar, click the down arrow next to Coordinate System and click Library. …
2. In the Coordinate System Library, under Current Drawing, enter the coordinate system code for the current drawing in the search field. …
3. Click Assign.

## What projected coordinate system should I use?

Your choice of a projected coordinate system depends on many factors, including the part of the world you are mapping, the scale of your map, and the purpose of your map. You want to choose a projected coordinate system in which the places and properties that are most important to your map are the least distorted.

## What is the difference between geographic coordinates and projected coordinates?

Geographic coordinate systems are based on a spheroid and utilize angular units (degrees). Projected coordinate systems are based on a plane (the spheroid projected onto a 2D surface) and utilize linear units (feet, meters, etc.).