[mkgmap-dev] patch for crash in MapSource

Sun Feb 11 13:55:32 GMT 2018

Hi Hennning,

I guess you have hgt files without voids and you don't use --dem-poly.
I think in that case everything works fine.  You can remove the x- when an option is documented in
the help. At the moment, only one dem option is not documented: --x-dem-outside-polygon.

I still try to find out what has to be changed to avoid the crash in MapSouce. I am pretty sure that
the problem is not in the DEM data, but in the TRE or *.tdb file.

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Henning Scholland <osm at hscholland.de>
Gesendet: Sonntag, 11. Februar 2018 14:10:42
An: mkgmap-dev at lists.mkgmap.org.uk
Betreff: Re: [mkgmap-dev] patch for crash in MapSource

Hi Gerd,

I used the aligning to 360 in splitter as you suggested and x-dem-dist=3312,6624,13248,26496,52992 and it seems to work for me in both directions. I also tryed longer routes with about 1500 km, but of cause with some intermediate points.

Henning

Btw: I guess that I can remove the x- in front of the dem-options, am I right?

On 08.02.2018 16:59, Henning Scholland wrote:
Same for me, but just did quick test. Will try on the weekend more detailed
Henning
On 8 Feb 2018, at 16:57, lig fietser <ligfietser at hotmail.com<mailto:ligfietser at hotmail.com>> wrote:

Hi Gerd,

I tested your patch but I still see frequent crashes near tile borders.

________________________________
Van: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:mkgmap-dev-bounces at lists.mkgmap.org.uk> namens Gerd Petermann <GPetermann_muenchen at hotmail.com><mailto:GPetermann_muenchen at hotmail.com>
Verzonden: woensdag 7 februari 2018 02:45:27
Aan: mkgmap-dev at lists.mkgmap.org.uk<mailto:mkgmap-dev at lists.mkgmap.org.uk>
Onderwerp: [mkgmap-dev] patch for crash in MapSource

Hi all,

attached is a patch that seems to help in many cases where --dem-poly causes crashes in MapSource "Show Profile..."
A binary is here:
http://files.mkgmap.org.uk/download/414/mkgmap.jar

It changes the TRE file and the *.tdb file.
I still see a few crashes but maybe those are caused by other problems.

Please try and let me know your results. I found no bad impact so far,
long distance routing still seems to work, but I've not tested much.

@Steve: Maybe we have to make sure that the areas in *.tdb do not overlap.
In this case this patch is not yet okay.

Gerd

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