On Thu, 6 Feb 2020 at 20:52, Andrew Davidson <thesw...@gmail.com> wrote:
> On 6/2/20 8:39 pm, Ewen Hill wrote: > > The states have sent out a rapid impact assessment teams to all areas > > now and have followed up with detailed analysis in most. We know what > > has been damaged, destroyed and what was inhabited, what wasn't and what > > other assets were damaged. We also know the structure type, bedroom > > count etc. Any updates on Sunday are not going to help anyone in social > > services, council, planning, asbestos removal. I honestly don't know > > what benefit this will be and as Warin correctly stated, updated. > > I agree. I was thinking about the utility of trying to map this stuff > from aerial imagery when the groups that are responding will all ready > have much better datasets. Australia is not Haiti or Nepal. > I checked out the provided imagery from Planet Labs, from what I could tell the resolution is too low to make out buildings, for large buildings you might see a 4 white pixels, but not enough to confidently make out that it's a building let alone if it's destroyed or not. > This is one of the biggest problems with the damaged=* tag. It needs to > be updated regularly because we know that it's a temporary state, and > who is going to do that? > Yes it will go out of date quickly but so does landuse=construction. If anything by flagging it as damaged, ruined, razed it attributes this feature as needed to be checked again soon. StreetComplete already does this for landuse=construction, every month or so it will prompt you "Is this feature still in construction?".
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