ios - ARKit: What does the ARFrame.timestamp represent? -


in arkit, arframe.timestamp timeinterval values such 

185726.884258291 185726.91759425 185726.950930291 ...

i'd unix timestamp these values, don't familiar. these numbers represent?

these numbers represent uptime @ moment frame has been captured, see calling

nstimeinterval systemuptime = [[nsprocessinfo processinfo] systemuptime];

methods , thoughts converting unix timestamp.


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