Changeset: 57595898
coastline mandaly beach area
Closed by Keith
Tags
created_by | JOSM/1.5 (13576 en_AU) |
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source | From the bushtrax.com files and bing |
Discussion
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Comment from Warin61
Hi,
Is the D'Entrecasteaux National Park used for forestry? You have added the tag landuse=forest ... is it not just a land cover of trees .. not a land use? -
Comment from Warin61
Oh .. not all of the area is covered by trees .. some of it is beach !
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Comment from Keith
I sort of inherited the setting for the NP. There seems to be a lack of presets for these types of things, european names like heath etc. In one way you have to build a series of layers over the top of that base layer like swamps etc and waterways. Big job
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Comment from Warin61
1) Landuse=forestry was introduced for the first time with this changeset to this NP.
2) Trees don't usually start and stop at some administration boundary!
For example Lane Cove National Park https://www.openstreetmap.org/relation/2962929#map=13/-33.7737/151.1393 with tree area https://www.openstreetmap.org/relation/3651359#map=13/-33.7737/151.13933) Layers in principle are used to signify one feature is vertically displaced from another - e.g. a road on a bridge over a river. It should not be used to cover up things that are not true. The tree area example above excludes various residential areas, grass areas, sports areas. This is done using a multipolygon relation. The tree area does not follow the NP boundary.
4) I do not think the area is logged any more .. so landuse=forest is wrong! Use land cover tagging such as landcover=trees, natural=wood.
5) I think you will find boundary=national_park is being replaced with some administration boundary thing.
I'll remove the landuse deceleration from this NP boundary. If you want to tag the tree area don't do it as the NP exclusively. The present tagging has trees through the beach, a lake!
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Comment from Keith
Okay I have changed the current ones I am doing to land cover. Unfortunately there is a lot of GIS data from years ago. There is the question of old boundarys (private property) that do not exist anymore that have been uploaded years ago. Yeagarup state forest has been taken in by the D'Entrecasteaux National Park.
From DPaW website
D’Entrecasteaux National Park is a narrow strip of land 5 to 20 km wide which stretches along the south coast for more than 130 kilometres between Augusta and Walpole. It is the result of the amalgamation of various State forests and timber reserves, Crown land, Shire of Manjimup reserves, conservation reserves, pastoral leases and freehold purchases between the 1970s and 1990s.What do you do?
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Comment from Warin61
OSM specifies we don't use copyright data .. the source for D"Etrecasteaux NP is tagged as CAPAD 2016 .. think that is the best that can be done unless you have another source that is usable in OSM (non copyright or allowed by agreement).
After using landcover tags in a few NP I have come to the conclusion that it is not a good practice and have done extensive work in removing them from NPs NSW, they are now completely separate things.
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Comment from Warin61
Without the tree area you can now see some problems ...
https://www.openstreetmap.org/relation/7743426#map=12/-34.4876/115.7516 shows the state forest is still tagged .. as that is now part of the NP it can be retagged/removed. I'd retag it so that mappers can still see it, possibly from landuse=forest to was:landuse=forest?
It will be worth looking around while the tree cover is not rendered to see what is there. -
Comment from Keith
I started mapping the 4wd tracks in WA in 2001. I essentially drove the roads to create the track, applied waypoints to POI , geo referenced the photos and noted rd names, acquired some early satellite images from the USA and created maps for these parts of the coast. I got it to a point of creating some very accurate SVG maps. You could geo reference the raster image for use in Oziexplorer. This was before GE etc. bushtrax.com
It seems not has been done regarding reserves etc east of walpole so I will try and get the legal data in there first. I will leave the Yeagarup forest alone at the moment, other things to do
Regards
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