Re: [mkgmap-dev] patch for crash in MapSource

Thu, 08 Feb 2018 13:20:06 -0800 

Hi Gerd

Just noticed your crash.gdb , which indeed causes a crash
However, if I take a different starting point  but still join the a39 where your route joins it , I don't get a crash, 

Very odd that the end sames ok but the beginning.

Anyway, will do some more checking tomorrow

Nick
On 08/02/2018 21:04, osm@pinns wrote:

Hi Gerd

I can see that , but again no probs here when I used your map
For my final trial i used some pbf files of the UK which were split last year without the align for dem option 

This still worked !, ie no crashes ;

good point - have to check if the dem poly includes empty hgt files.

Will do some more checking tomorrow.

Again, congratulations on a major achievement!

Nick


On 08/02/2018 20:36, Gerd Petermann wrote:

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 <[email protected]> im Auftrag von osm@pinns <[email protected]> 
Gesendet: Donnerstag, 8. Februar 2018 21:22
An: [email protected]
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 <[email protected]> im Auftrag von osm@pinns <[email protected]> 
Gesendet: Donnerstag, 8. Februar 2018 19:01
An: [email protected]
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 <[email protected]><mailto:[email protected]> im Auftrag von Gerd Petermann <[email protected]><mailto:[email protected]> 
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 <[email protected]><mailto:[email protected]> im Auftrag von osm@pinns <[email protected]><mailto:[email protected]> 
Gesendet: Donnerstag, 8. Februar 2018 10:33
An: [email protected]<mailto:[email protected]> 
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 <[email protected]><mailto:[email protected]> im Auftrag von Henning Scholland <[email protected]><mailto:[email protected]> 
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 <[email protected]<mailto:[email protected]><mailto:[email protected]><mailto:[email protected]>> wrote: 

Hi Gerd,

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


________________________________
Van: mkgmap-dev <[email protected]><mailto:[email protected]> namens Gerd Petermann <[email protected]><mailto:[email protected]> 
Verzonden: woensdag 7 februari 2018 02:45:27
Aan: [email protected]<mailto:[email protected]> 
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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