A localization file describes the transformation from a global coordinate system to your local coordinate system. This is done by providing at least 4 pairs of points that are defined in both coordinate systems. All the points will be held in vertical and horizontal control.

To create a localization file manually, follow these instructions:

## For Decimal Degrees:

- Create your localization file in CSV format by downloading this template.
- Fill out the CSV template
*exactly following this structure:*- Enter WGS84 latitude, longitude, and altitude (height above ellipsoid)
- Enter latitude and longitude with at least 8 decimal places
- Enter height in meters above ellipsoid (ellipsoidal height) with at least 3 decimal places.
- Enter the global coordinates

- Enter WGS84 latitude, longitude, and altitude (height above ellipsoid)
- Enter the Northing (N) Easting (E) Elevation (Z) coordinate of each point in your local coordinate system and state your unit of measure next to each column header as below:
**m**: meters**us-ft**: U.S. survey feet**ft**: feet

*Note: Don’t forget to provide at least 4 pairs of coordinates. If you add more points, label them cp5, cp6 cp7, and so on.*

Example: (sample text in blue)

## For Degrees Minutes Seconds (DMS):

- Create your localization file in CSV format by downloading this template.
- Fill out the CSV template
*exactly following this structure:*- Enter WGS84 latitude, longitude, and altitude (height above WGS84 ellipsoid)
- Enter latitude and longitude with at least 9 decimal places
- Enter height in meters above WGS84 ellipsoid (ellipsoidal height) with at least 3 decimal places.
- State your unit of measure next to each column header:
**m**: meters**us-ft**: U.S. survey feet**ft**: feet- Make sure to add N and E before your coordinates (see example)

- Enter the global coordinates
- Enter the Northing (N) Easting (E) Elevation (Z) coordinate of each point in your local coordinate system

*Note: Don’t forget to provide at least 4 pairs of coordinates. *

Example: (sample text in blue)

*Note: Your final localization.csv file should include control points that apply BOTH vertical and horizontal localization. Please exclude any control points that do not apply to both.*

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