Import and Geo-Reference Background Image (Satellite)

 

Geo-reference image

We need to geo-reference the background image created in this guide. In very simple terms, we want to make this image “spatially aware” and tell the program where in the world our farm is!

 

Open it up

  1. Click on “Geo-Reference” above Tools in ribbon toolbar
  2. Click Open Image File
  3. Navigate to Google Earth image (Documents\Back Paddock Company\Adviser\Maps)
  4. Left click on image to highlight
  5. Click Open
  6. Ensure that Units are set to Meters (UTM)

 

Input reference points

You will see a blue cross and a red cross on your screen. The Red Cross represents Reference Point 1 from Google Earth, while the Blue Cross represents Reference Point 2.

  1. Left click on the Red Cross and drag to Reference Point A on your image

Hint: Zoom in on your image by clicking on the Magnifying Glass with a Plus sign in it, then clicking above your reference point, dragging your mouse down the screen

  1. Click below the point and drag your mouse up to zoom back out
  2. Click on Select pointer to move Red Cross
  1. Enter Reference Point 1 co-ordinates into Northing and Easting points for Point 1 in the ribbon toolbar
  2. Enter Reference Point 2 co-ordinates into the Northing and Easting points for Point 2 in the ribbon toolbar
  3. Click Apply Reference

You will see now when you move your mouse around the screen; the E and N values will adjust accordingly. If your image appears "skewed", either too narrow or too wide, your coordinates for Reference points were not correctly matched. Ensure the red and blue plus signs match your initial placemarks in Google Earth exactly and re-do geo-referencing steps above.

 

Create layer and save

  1. Click Create Geo-Reference layer
  2. Rename file to include “Geo” for Geo-referenced
  3. Save as type JPG
  4. Click Save

Your image file is now Geo-referenced, meaning that it can be spatially placed in your Mapping canvas according to its’ co-ordinates.

  1. Close out of the Open Image page.

Please note: other files may be created as part of the geo-referencing process (for example .tab .jgw .prj files) please do not delete these, they are required.

 

Set as Background Image for Client File

We are now going to re-import the new Geo-referenced file and assign it as the background image for your Client File.

 

Import geo-referenced image

  1. Click on Open Map Layer from External File
  2. Navigate to your geo-referenced image, click to Open
  3. Under the Layer Library, click on Mapping Projects down the bottom
  4. Click on Create New Map Project
  5. Enter name for your new background project
  6. Click OK

 

We are now going to make this your Default background image for this Client File.

 

Set as Background Image

  1. Click on File in your Adviser program
  2. Click on Info
  3. Click Client Options
  4. Click in white bar next to Background Project
  5. Click on drop down arrow, find newly created Background image
  6. Click once to select
  7. Click OK

 

 

Follow these instructions to draw your paddock polygons in the Adviser program, using the satellite image as a stencil.