[mkgmap-dev] patch for crash in MapSource

Thu Feb 8 20:36:35 GMT 2018

Hi Nick,

okay, sounds good. Do you also use -dem-poly or hgt files with voids?
I tested a rather small polygon [1] divided into 10 parts, maybe that created more stress
for MapSource.

Maybe we can find other --align-for-dem values or -even better -
a field in TRE or DEM  or TDB that can be changed to allow more or all values.

Gerd

[1] http://files.mkgmap.org.uk/download/412/baddem6b.7z

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von osm at pinns <osm at pinns.co.uk>
Gesendet: Donnerstag, 8. Februar 2018 21:22
An: mkgmap-dev at lists.mkgmap.org.uk
Betreff: Re: [mkgmap-dev] patch for crash in MapSource

Hi Gerd,

Having difficulty creating long distances without stopovers ikn
Mapsource, but that seems have been the case anyway before dem, at least
in my case using default style

Have created a long distance one in Basecamp, exported it in Mapsource
and absolutely no problem with creating profiles! Excellent work !

If I invert the route , ie in Basecamp, and export it in mapsource, same
: no issues at all

At one stage, I cannot reproduce it ,I just got a black profile, but
that could be when I a dem was missing.

On 08/02/2018 19:11, Gerd Petermann wrote:
> Hi Nick,
>
> great! In my test cases I found problems with long distance routes without any stopover.
> Please try that as well, maybe also the inverse routes.
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von osm at pinns <osm at pinns.co.uk>
> Gesendet: Donnerstag, 8. Februar 2018 19:01
> An: mkgmap-dev at lists.mkgmap.org.uk
> Betreff: Re: [mkgmap-dev] patch for crash in MapSource
>
> Hi Gerd
>
> Brilliant ! have done a really spaghetti route with lots of ups and downs left and right and
>
> seems to be working with align-for-dem=360  and even
>
> --dem-dists=2484,3312,9942,16560
>
> r
>
> Nick
>
> On 08/02/2018 17:40, Gerd Petermann wrote:
>
> Hi all,
>
> I've created patches for splitter and mkgmap.
> The binaries are here:
>   http://files.mkgmap.org.uk/download/417/splitter.jar
> http://files.mkgmap.org.uk/detail/416
>
> Please try splitter with align-for-dem=360. I found no more crashes as long
> as used only one dem level, e.g. dem-dists=3312 or dem-dists=9936
>
> Maybe you find a combination of  align-for-dem and dem-dists with more than one value
> that still works, I'll try again tomorrow.
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Gerd Petermann <gpetermann_muenchen at hotmail.com><mailto:gpetermann_muenchen at hotmail.com>
> Gesendet: Donnerstag, 8. Februar 2018 13:16
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] patch for crash in MapSource
>
> Hi all,
>
> the patch contained a stupid bug, but there is more to this:
> 1) the effect of the patch depends on the dem-dists value (I assume only the one
> that gives the highest resolution). The higher the resolution the better it works.
> 2) it probably also depends on the boundaries (areas.list)
>
> I assume now that the tile boundary from areas.list should be a certain multiples of degrees,
> probably different multiples for lat and lon and that the overlap simply makes
> sure that this boundary is within the overlapped area.
> Maybe the preferred multiples also depend on the dem-dist.
>
> I'll try to find out more ...
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von osm at pinns <osm at pinns.co.uk><mailto:osm at pinns.co.uk>
> Gesendet: Donnerstag, 8. Februar 2018 10:33
> An: mkgmap-dev at lists.mkgmap.org.uk<mailto:mkgmap-dev at lists.mkgmap.org.uk>
> Betreff: Re: [mkgmap-dev] patch for crash in MapSource
>
> Hi Gerd
>
> I think you are right ,ie
>
> start and finishing point  at same level seems OK eventhough the route
> turns south 20miles then up again
>
> r
>
> Nick
>
>
> On 08/02/2018 09:27, Gerd Petermann wrote:
>
>
> Hi all,
>
> okay, thanks for testing. I'll try to find a better patch.
> Please check: I think the patch works fine for routes which cross tile borders in horizontal direction
> direction but I still see problems with vertical crossing. Can you confirm that?
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Henning Scholland <osm at hscholland.de><mailto:osm at hscholland.de>
> Gesendet: Donnerstag, 8. Februar 2018 09:59
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] patch for crash in MapSource
>
> 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><mailto: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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