Download the GeoTIFF from ATLAS
Create a project in SMS Advanced (Must be on Version 16.5 or newer)
Chose the GeoTIFF that was downloaded from ATLAS
Chose to import the entire image
Create new data sets from image color bands
Select "3, 4, 5" to correlate with "Red, Green, Blue"
- 3 is Red
- 4 is RedEdge
- 5 is Near Infrared
Choose “NDVI Analysis”
Select grid size
Select color bands for processing. For NDVI, use 5 for Near Infrared and 3 for Red. For NDRE, use 5 for Near Infrared and 4 for Red (4 represents RedEdge).
This creates the NDVI/NDRE map in SMS
Management selection—what kind of application will be made
Just for reference this is what a prescription map for N could look like for corn if applying more N to the lower NDRE/NDVI areas of the field and less to the higher NDVI/NDRE areas. NDVI on left, NDRE on right, both generated from GeoTIFF files in SMS Advanced