Dive site management on daily build 4.4.2.669

[Benjamin]

Maybe if the dives are withing something smaller than 5 metres then merge
them?

On Wed, 10 Jun 2015 18:47 Dirk Hohndel <dirk at hohndel.org> wrote:

> On Wed, Jun 10, 2015 at 05:32:03PM +0200, Joakim Bygdell wrote:
> >
> > > On 10 Jun 2015, at 17:07, Dirk Hohndel <dirk at hohndel.org> wrote:
> > >
> > >
> > > If the user just added a location name, never went to the dive site
> edit
> > > screen and then saves the dive (so Apply changes in the Notes tab)
> then we
> > > look at the name - if it's a known dive site name we pick that one (no
> > > idea what to do if there are multiple dive sites with the same
> name...),
> > > if it's not we simply create a dive site with that name and no
> additional
> > > information and use the uuid of that dive site for the dive we just
> > > finished editing.
> > >
> > > Does that all seem reasonable? What am I missing?
> >
> > If the user already have a dive site with coordinates that have the same
> > name we can assume that it is the same and pick that one.
>
> Yes, if there's just one, that's a good idea. I wonder if the
> label/editbox should be a combo box after all, one that allows for easy
> completion.
>
> Tomaz is going to hate me for going back and forth and back and forth on
> the UI here...
>
> > If it is a new dive site for the user and there exists multiple sites
> > with the same name, should we show a list for the user to pick from and
> > in that case how much more information about the site should we show
> > other than country.
>
> Good idea. Show some data about the different sites and allow the user to
> pick...
>
> > >> Comparing my V2 and my V3 files I discovered a lot of of errors in my
> > >> old logbook.
> > >> I have several duplicates because:
> > >> I had several dives in the same place. Same name but some of them with
> > >> gps data, some not.
> > >> I had several dives in the same place, same name but slightly
> > >> different gps points (I mean I used the companion app several times in
> > >> the same spot)
> > >
> > > I have that same situation in my data
> > >
> > >> I discovered that a row of 8 training dives, the same day in the same
> > >> place, have slightly different gps points because the boat moved on
> > >> the anchor and now I have 7 different dive sites.
> > >>
> > >> Right now I'm not sure how laymen will solve these problems once
> migrated.
> > >
> > > I have no good idea how to do that, either.
> >
> > How big are the deviations between the GPS coordinates??
> > Should we implement some sort of filter that merges dive site
> coordinates if they are within 50m
> > or whatever error margin the GPS locator has.
>
> But what if this is for example a wreck site and the user carefully
> specifies the exact GPS coordinates for the different entry points?
> But then, I guess, they'll have different names.
>
> So we could have some logic that says "if it's the same name and the GPS
> distance is less than 50m, merge them". What GPS spot do we then pick? One
> of the two (or more) GPS spots that the user had? Or some average of them?
>
> I have several dives at Blue Corner in Palau. As it turns out there are
> several starting points for that dive and if you look closely on the globe
> you can see the different spots on the reef where we started the dive.
> I don't think I WANT them to get merged, nor would I want some average
> spot picked for them.
>
> Not a simple problem...
>
> /D
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