sub, 24. lis 2020. u 15:14 Paul Allen <pla16...@gmail.com> napisao je:
> Variant 1. Extend the parking area out to the roat it is on. Pretty much > as > you handled the lay-by example. As far as rendering goes, where most > carto renders the road on top of the parking area, it represents things > as a way that matches reality. Here's one I did years ago. > > > https://www.openstreetmap.org/?mlat=52.08560&mlon=-4.65830#map=19/52.08560/-4.65830 > Streetview for comparison: https://goo.gl/maps/R7Q1RUWGziLaMemW8 > > A data purist on the list objected to that. The rendering is a good > representation of reality but if a data consumer were to look at the > data rather than the rendering then he or she would assume the > car could be parked perpendicular to the carriageway with half > the car blocking traffic. So for purists... > > Variant 2. Map the precise boundary of the parking area. Connect it > to the carriageway with highway=service + area=yes. This results > in rendering that is an even better (if slightly uglier) representation of > reality at the expense of extra effort. Here's one I did a few weeks > ago to test the idea. > > > https://www.openstreetmap.org/?mlat=52.08268&mlon=-4.66461#map=19/52.08268/-4.66461 > Streetview for comparison: https://goo.gl/maps/YHTv9dDvSbm6DL1A8 The > streetview is somewhat misleading as recent aerial imagery shows clear > surface marking delineating the boundaries. That's also a weird example > because some of it is off-carriageway and some on-carriageway (turn 180 > degrees in streetview and move forward to see), a situation your proposal > doesn't cater to. > These two variants are mapping for the renderer, and both add false data. The first one extends the parking over half the road. The second creates a service road area over half the road. There is no service road area there, you are just trying to connect the parking to the road so it looks nice on the map. And it does look nice, but it's false data. If we want to describe how you get onto street side parking, and it's not obvious, we could use additional tags, like parking_entrance_direction=*. Street side parking is a very different parking area from a big enclosed surface parking. Some people may find it hard to park there because you back up onto traffic, and they may want to avoid parking there. This information is definitely very useful. Janko
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