Nov 14, 2020, 11:14 by [email protected]: > 1) Those areas require a previous conflate, yes. I've done so using JOSM and > JOSM/conflation add-on for most of the areas. I indicate "yes, merged" in > wiki tables to note if they’re conflated and are ready to upload. I have to > edit some areas yet but when necessary I’ll use conflation too. > If no useful, already present in OSM data will be lost then it is fine. > 2) About the data of accuracy/positioning in relation to OSM data. When > working with IET data (shapefiles), I did a double checkout: compare imports > with > mapas.xunta.gal/visores/basico/ > <http://mapas.xunta.gal/visores/basico/>> (government official map viewer) > and the official documents that parliament passed by to declare natural > protected areas (In our case those are published in "Diario Oficial de > Galicia – DOG", that contain their maps). I saw no problem about protected > areas' position: they fall in their provinces, councils, include or not some > villages and so on. In fact, there’s some of them already mapped in osm that > have some pitfalls. This import would correct those mistakes. > Great! I was asking because I have seen imports where someone made mistake with projection and everything was offset by 100 meters. > About the detail too, yes, in some cases source data has too much detail. But > a random reduction of it can mean including or not e.g. a small village or > even a protected tree from a natural park. That’s why I think that we need to > avoid data reduction here. > I think that it is needed only for extreme overnoding (100 nodes for one meter of border type of thing). > About source date, that date is the latest release date for that IET’s data > package. > User actual source data. If after 9 years it is still up to date, then importing it is fine. But, please, check that to avoid - for example - deleting more up to date OSM data to replace it with an outdated snapshot.
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