"on a snapshot" is correct and usable in written English.
You can use it to describe a photograph that depicts a single moment in time. For example, "I saw a beautiful moment captured on a snapshot at sunset."
(And First Dog on the Moon has asked the question that should be on on everyone's lips: "oh my god what is going on?") A snapshot of political donations in Australia (The Conversation) An at-a-glance view of federal and state disclosure requirements, as well as of each parties' major donors.
"Is she okay?" wrote one commenter on a snapshot of a red-haired child at a swimming pool.
It's worth noting, too, that the Coalition's tax and benefit reforms look a lot less regressive on a lifetime basis than they do on a snapshot one.
Our results are based on a snapshot measurement; we have only one blood sample from each woman and can infer nothing about intra-individual variation or variation over time.
On a snapshot view that's true.
I'm always loath to make judgments based on a snapshot".
The second choice is based on generation of a snapshot space and subsequent selection of a subspace of a reduced dimension.
When he arrived, the Count conducted him politely to the chapel and then insisted on taking a snapshot of him.
Focus instead on creating a snapshot in the life of a character or in a certain setting.
The Guardian reported on Wednesday that a snapshot of detainees sampled on 31 August found more than half fitted the definition of "adults at risk".
He spoke during a news conference on Saturday where a snapshot of the federal response so far emerged.
