Re: [talk-au] Why set coast line to nation park or, administrative boundaries?

On Wed, 29 Mar 2023 at 14:05, OSM via Talk-au wrote: > Since the coastline tag is also supposed to represent the high water mark > then I would say that they should be snapped together (since they then > represent the same feature - that is, the high water mark). This would mean > that the

Re: [talk-au] Why set coast line to nation park or, administrative boundaries?

I looked at the separation of park boundaries and coastlines down in Wilson's Prom a while ago and asked the #oceania discord at the time but never ended up changing anything. If you look at the legal definition of many national parks, their boundaries are defined by the high water mark. Since

Re: [talk-au] Why set coast line to nation park or administrative boundaries?

Slightly different issue… but the accuracy of governmental admin boundaries can vary a lot depending where you are in Aus. In regional NSW, allotment boundaries (and associated park, state forest and local gov boundaries) as shown on the NSW gov base map (and as often used in OSM) are often

Re: [talk-au] Why set coast line to nation park or administrative boundaries?

Personally I'd prefer to snap them, it makes it easier for us to maintain, better for data consumers, and overall cleaner data. I speculate these departmental GIS teams are creating the boundaries from their own coastline datasets anyway, so why not just have them match OSM's coastline? I think

Re: [talk-au] Why set coast line to nation park or administrative boundaries?

Hi, I would advise caution with this. Government bodies will typically hold their own GIS data for park boundaries or administrative boundaries, and the GIS data they have will never fully align with the coastline. However, it is not our job to be an agent for publishing government data.