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Why is the seawater on my garmin white and not blue? I try to make the sea borderline to maritime and tag it with natural=water but after this was the hole island blue (on garmin nüvi).

I used the file from http://www.raumbezug.eu/ag/internet/osmGarmin.htm.

asked 18 Dec '10, 11:08

roki's gravatar image

roki
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accept rate: 0%

edited 10 Mar '11, 17:21

SomeoneElse's gravatar image

SomeoneElse ♦
31.8k63327742

Note that you probably want natural=coastline for the border between the land and sea, but the answer below about not seeing the whole coastline may still be the problem.

(18 Feb '11, 00:32) Ebenezer

Don't forget to accept an answer (the round checkmark button).

(10 Mar '11, 16:56) Paul Johnson

Unfortunately that site "could be temporarily unavailable or too busy" at the moment.

(15 Mar '11, 03:34) SomeoneElse ♦

paul as answered this, it a bit like paint fill in an art program if it has not got a boundary line it would fill every thing,so it doesn't start, you should tick his answer

(15 Mar '11, 10:22) andy mackey

When mkgmap ran, it wasn't able to see the entire ocean, and thus was not able to close the way. You see this along the US coast as well.

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answered 17 Feb '11, 22:36

Paul%20Johnson's gravatar image

Paul Johnson
2.9k143056
accept rate: 10%

edited 17 Feb '11, 22:36

Firstly, the coast should be tagged as natural=coastline, not natural=water (which is for inland areas of water).

To answer the question, filling in areas of sea is actually quite complicated. This feature was only added to Mkgmap (the software used to make most OSM based Garmin maps) fairly recently, and it might still have problems with some complicated coastlines.

So most pre-made OSM Garmin maps don't use this option, as they haven't updated their process or Mkgmap version since then. I'm not familiar with the Madagascar map you refer to (and the link isn't working just now), but I assume that's the case here.

So if you want a Garmin map with sea filled in blue, you can try another map. You could look at the list here, and see which cover Madagascar, though I'm not sure which actually have sea areas: OSM Map On Garmin/Download

Or you can generate a map yourself, using Mkgmap. If doing theis you will have to make sure you use the --generate-sea option. See more details on Mkgmap/help/usage

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answered 15 Mar '11, 15:05

Vclaw's gravatar image

Vclaw
9.1k891140
accept rate: 22%

would one unclosed way (in this case to coast and vast) cause the problem

(15 Mar '11, 15:31) andy mackey
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question asked: 18 Dec '10, 11:08

question was seen: 4,065 times

last updated: 15 Mar '11, 15:31

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