Fig. 7: 3D visualisation of lettuce harvest regions.

a AirSurf-L reads an NDVI image and exports a lettuce size distribution map, where small lettuce is coloured blue, medium size is coloured green, and large lettuce is coloured red. b 3D visualising GPS-based field grids to present representative size categories. c A dynamic 3D bar chart is generated to present the relationship between lettuce number, infield layout, and the representative lettuce size, along with over lettuce number and size quantification