MarcusRowcliffe

Please implement with the name radius instead of distance for the new field

radius should indeed be in meters; angle should be in radians, and it's definition should be refined as "angular distance **from the centre line** of the camera field of view"...

@peterdesmet I would prefer to stick with radius. The field names stem from the original publication where the utility of these data were first proposed (https://doi.org/10.1111/j.2041-210X.2011.00094.x), which uses radius and...