Changeset: 46965544
Well established lake
Closed by Martin Hügi
Tags
created_by | iD 2.1.3 |
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host | https://www.openstreetmap.org/id |
imagery_used | Bing aerial imagery |
locale | en-GB |
Discussion
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Comment from chillly
Welcome to OSM
Is the wood really called New Town? It seems an odd name for a wood.
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Comment from Martin Hügi
Yes, it is the site of some houses that were abandon when the occupant died of Cholera several hundred years ago. At least so I am reliably informed by the landowner, Major Ted Barclay. There is actually a small pond at the NE corner that I could add in. I do the woodland management plans for the estate and work with GIS professionally, and have only really just come across OSM. I expect I shall be adding things quite a bit around this location for a while.
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Comment from chillly
OK, interesting.
The wood has a 'hole' in it for the pond. So it needs a similar treatment as the other lake, only this time the wood is the 'outer' and the pond is the 'inner'. Draw the pond then select both the wood and the pond and merge them from the menu.
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Comment from Martin Hügi
Ok will give that a go, thanks
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Comment from Martin Hügi
Did that work? How do you add nodes to your polygons?
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Comment from chillly
You added the pond OK, but it is not in a 'hole' in the wood. As I said before, multipolygon editing is not as straightforward as simple editing.
To add new nodes to an existing polygon, select the polygon. click and drag one of the centre markers between two existing nodes. The marker will become a new node, which you can drag to where you want it. You can repeat this as much as you need. To delete a node select it (not the polygon) and click the bin symbol.
Would you like me to create the MP?
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Comment from Martin Hügi
How do you make a hole? Thanks for the new nodes info. What's an MP?
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Comment from chillly
MP=multipolygon.
In the online editor you are using you select both the wood and the pond (use shift click to select the second item). Then the ring menu has a plus (+) sign which is merge. Click that. That merges the two polygons as a multipolygon, thus making the pond into a hole in the wood. It also moves the tags from the wood to the multipolygon relation as it needs to be.
A multipolygon can have many 'holes' in it, just select all the inner things and the outer thing and merge (+). In fact it can be even more complex than that, but I would use a different editor to do complex stuff.
Ways (1)
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