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[mkgmap-dev] Please try branch check-precomp-sea

From Gerd Petermann GPetermann_muenchen at hotmail.com on Thu Sep 17 10:34:17 BST 2020

Hi all,

I've implemented some basic checks to detect large flooded areas in the precomp-sea data in this new branch.
A link to the latest binary (r4579 as of now) is a the bottom of the normal download page :

- If PrecompSeaGenerator is used to calculate the sea data and the index check fails a warning is printed and the program ends with rc -1.
- If mkgmap is used with a "dubious" sea.zip one or more messages about the problematic areas are written and the program stops with an ExitException
unless option --x-check-precomp-sea=0 is given before the first input file.

The index test is normally performed once for the whole planet, so it doesn't care about the actual tile boundaries. If e.g. only a part of Australia is flooded and you create a map for the UK you'll still see the errors. 

BTW: The current code (also in trunk version) doesn't support to use --precomp-sea with different values. Results are rather unpredictable.


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