[mkgmap-dev] r3678 and overview map problems

Fri Jul 8 19:41:08 BST 2016

Hi Gerd , Update:

r-3778 create now 1 0x4a like expected. This is a good news. But in my 
testenvironment are 2 osm-tiles and 1 contourtile. One of the osmtile 
has a wrong position. it is shifted to east ~22 degrees. The tile itself 
has 25.4 degreees east-west .
thomas

Am 08.07.2016 um 16:49 schrieb Thomas Morgenstern:
> Hi Gerd,
> i have tested r-3677 and the preview in my case is  wrong.
> Ithinktheerroris notduetotheTileSize.Theerroroccurs,ifthe2OSM- 
> tilesbeusedand 1ormoreContourline tilesin 
> addition.ThetransparentcontourlinetilesliewithintheOSM tiles(1degree 
> squaregrid). If only used the OSM-Tiles, then the preview is okay and 
> has the expectedsize with one Mapselectionarea. You can download my 
> test-environment from http\img2ms.de\Downloads\Test.rar. Inside the 
> rar are 3 tiles  and my mkgmap -bat.
>
>
> thomas
>
> Am 08.07.2016 um 09:54 schrieb Gerd Petermann:
>>
>> Hi all,
>>
>>
>> I got no feedback on the do_not_split_0x4a_polygon.patch which I 
>> provided to fix the problems reported by
>>
>> Thomas and Andrzej, see
>>
>> http://gis.19327.n5.nabble.com/How-do-I-transform-the-name-of-all-Ways-tp5875326p5875519.html
>>
>>
>> I checked older versions of the source and
>>
>> found out that older versions of the code did contain a special 
>> treatment for the 0x4a polygons, I removed those
>>
>> in the overview2 branch and I don't exactly remember why, so I've 
>> reverted that part of the change.
>>
>>
>> I have the feeling that the code should be changed somewere else, the 
>> tests in PolygonSubdivSizeSplitterFilter.java
>>
>> were introduced by WanMil long before we changed the split algo in 
>> MapSplitter.
>>
>> Both sources use diverse hard coded limits, and I have no idea why 
>> these are not relevant for 0x4a polygons.
>>
>>
>> I assume that there is a maximum tile size (at least we have it in 
>> splitter) so maybe mkgmap should stop with an error
>>
>> message when one tries to create a map with larger tiles?
>>
>>
>> Gerd
>>
>>
>>
>>
>>
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>
>
>
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