<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Am Sa., 17. Juni 2023 um 21:48 Uhr schrieb Minh Nguyen <<a href="mailto:minh@nguyen.cincinnati.oh.us">minh@nguyen.cincinnati.oh.us</a>>:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
You're quite fortunate that the meaning of an address is unambiguous in <br>
Italy. At least you can be sure that a pedestrian route will lead to the <br>
main entrance, even if other modes aren't as well-served. </blockquote><div><br></div><div><br></div><div>actually the real situation in Italy is more complicated than the theory. For one, because the reality doesn't always follow the legal prescriptions (every entrance to a building or site should get a housenumber according to the law, i.e. also small gates leading to the garden, or similar), but sometimes no housenumber is posted (maybe not assigned, maybe not displayed by the owner, but either way not compatbile with the law), and sometimes, "old" housenumbers (where there used to be a door but is now closed) are still posted. And the law also declares that "potential" entrances should get their own numbers, this refers mostly to shop windows, i.e. many housenumbers are not assigned to a place where you can currently enter the building/site.<br></div><div><br></div><div>As a result, many businesses and homes have more than one housenumber. Adresses always are assigned to points and never directly to buildings (although one could say a "buillding has several housenumbers" if you look at the collection of numbers that lead to the building, and POIs usually either indicate a of their housenumbers, or use the one that is actually usable, or sometimes use one that is now a closed door (e.g. because it is their official address where they have registered the business). <br></div><div><br></div><div>You cannot assume that where a housenumber is posted this means access for pedestrians, because "vehicle only" access points also get housenumbers (AFAIK). <br></div><div><br></div><br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Here in the U.S., the meaning of an address depends on who's using it. <br>
To the tax authorities, it refers to the whole parcel. To emergency <br>
responders, it's either the building or the beginning of the driveway. <br>
To the postal service, it's the mailbox, which can be at the door, at <br>
the street curb, or even at the neighborhood entrance.<br></blockquote><div><br></div><div><br></div><div>This is probably how these are effectively interpretated / used. If the number refers to the whole parcel (tax), isn't this then a valid point of view for emergency responders as well? Won't they help you on every spot of the parcel, or do they require you go either into the building or to the beginning of the driveway before they will rescue you? <br></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
Mappers here generally treat the address as an attribute of a building, <br>
POI, or something else. [1] </blockquote><div><br></div><div><br></div><div>in Italy, we also treat the address as an attribute of a POI - additionally, because from all the possible (assigned) addresses, there will often be a principal / official one which the business uses in their communications (this is somehow disputed in the community, some people do not want to "duplicate" addresses, so they add the poi information on the entrance node, which is not fully correct obviously, because the POI is usually inside and not on the perimeter, and the entrance is not the same as the POI so it goes against the one object one element rule. We never use addresses on buildings though. <br></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">So the address point's coordinates don't <br>
necessarily have any relation to where you would navigate to.</blockquote><div><br></div><div><br></div><div>IMHO this is a problem, the addresses we add should indeed have a relation with where they are assigned to. A postbox with an address that is not on the site where the address belongs to, should not get "addr:*" tags of the far away place. There is "contact:street", "contact:housenumber" and others to add addresses that are elsewhere, as referers.<br></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
This is another good reason why I'd advocate for objectively <br>
micromapping features that data consumers (whether routers or geocoders) <br>
could recognize as navigable points or not, depending on the situation. <br></blockquote><div><br></div><div><br></div><div>+1<br></div><div> </div><div>Cheers,</div><div>Martin<br></div></div></div>