[mkgmap-dev] Problems with SeaGenerator

Thu Oct 14 15:58:56 BST 2021

Hi Thorsten,

did not see a warning for tile 2654208_-163840 in my quick check, running full creation now.
Seems the shapes were refreshed today. The README says:
Date of the data used is 2021-10-14T00:00:00Z

Did you use that as input or an older version?

Gerd

________________________________________
Von: Gerd Petermann <gpetermann_muenchen at hotmail.com>
Gesendet: Donnerstag, 14. Oktober 2021 16:39
An: Development list for mkgmap
Betreff: AW: [mkgmap-dev] Problems with SeaGenerator

Hi Thorsten,

seems you missed the changes in r4689?
See https://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4689

reg. compile: I think these hints are still correct:
https://wiki.openstreetmap.org/wiki/Mkgmap/help/options#generating_precompiled_sea_yourself

I use open jdk (from AdoptOpenJDK) to build. openjdk version "1.8.0_272" and mkgmap works fine with it.

I'll try to download latest data from https://osmdata.openstreetmap.de/data/land-polygons.html to check if the index file
sea-check.txt needs to be changed or what else is wrong.

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Thorsten Kukuk <kukuk at suse.de>
Gesendet: Donnerstag, 14. Oktober 2021 16:26
An: mkgmap-dev at lists.mkgmap.org.uk
Betreff: [mkgmap-dev] Problems with SeaGenerator

Hi,

Some users reported problems with my sea data, they get error messages
since about a week like:
Precomp sea data seems to be wrong, land-only tile is flooded around 57.304688,-3.164063, index key is 2654208_-163840

All coordinates are in Great Britain, and this error and build aborts
also happens if the data they try to compile is far outside the UK and
does not contain it.

Since I don't get that with my one year old mkgmap version, I run into
the first challange: building the current mkgmap version with SeaGenerator
enabled...
Is there any chance to update mkgmap and all dependencies to use a newer
java version?
I need openjdk-1.8 to build mkgmap and Oracle jre-1.8 to run it...
mkgmap will not work with openjdk-1.8 and it looks like Oracle does not
really provide a jdk-1.8 anymore...

Now with mkgmap r4808 I get the same errors already when generating the
precomp sea data. But I cannot find any problems with tje OSM data: no
coastline checker reports any problems in the UK area...

Any idea how to solve this correct?

  Thanks,
    Thorsten

--
Thorsten Kukuk, Distinguished Engineer, Senior Architect SLES & MicroOS
SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nuernberg, Germany
Managing Director: Felix Imendoerffer (HRB 36809, AG Nürnberg)
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