2. Star Installation
2.1 Initial Installation
Stars may be applied to ceiling lighting grids, AC ducts and other rigid structures that
remain permanently static, for the lifetime of map usage.
Ideally StarTracker requires sight of at least 11 stars at any one time, any fewer will cause
tracking loss, 30 or more stars provide robustness to occlusions.
Stars should be well separated, on average 1/10th the oor to ceiling height. e.g., for
stickers at 5 m height, 0.5 m apart on average. Stars shall not be closer than 1/15th height
or 5x their diameters (whichever is greater).
Stars should be placed randomly. Do not create a pattern or StarTracker will have problems
nding the map and loose tracking.
Stars should be clearly visible, though it’s normal for some to be hidden and revealed by
lights and structures during operation.
Use larger stars as ceiling height increases, with a proportionate increase in spacing.
Accuracy is improved by applying stars at multiple ceiling heights. Use at least 10% height
dierence though this is less important below 4m (See Star Chart).
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StarTracker Max Manual
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