[mkgmap-dev] Incorrect compilation of grid lines

Wed Jun 25 12:12:18 BST 2014

I have a file containing the British National Grid lines, as printed on 
Ordnance Survey maps. This can be found at 
http://www.rogercalvert.me.uk/osm/GBGrid/GBGrid.zip (this contains two 
files, they are the same except for the addition of the 'version' tag in 
the GBGrid06.osm file). I compile this file with mkgmap and overlay it 
on my GPS map.

This works correctly with mkgmap 2654 and It displays correctly in JOSM.

With mkgmap version 3241, the lines are misaligned and out of position. 
The behaviour is the same on MapSource, BaseCamp and my device. No error 
messages are produced.

(I have not used any versions of mkgmap in between these two).

My style file allocates codes in the 0x10300 range to these lines, but 
the effect is the same when I use code 0x21 (contour) for all lines.

Attached are screen dumps for a small part of the map, from JOSM, mkgmap 
2654 and mkgmap 3241, and also the batch file I used to compile it.

I would greatly appreciate any advice.

Many thanks,

Roger
-- 
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Roger Calvert
http://www.rogercalvert.me.uk
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@echo off
echo basic testing file. All file names must be entered into template.args by hand.

set map=Test

set FID=555

rem * location for java components and rpause etc
set UTILS=%USERPROFILE%\Documents\Utils

echo ************************************************
echo Compiling %map%. Please wait
echo ************************************************
echo.

start /low /b /wait java -enableassertions -Xmx3000m -Dlog.config=logging.properties -jar "%UTILS%\mkgmap\mkgmap.jar" --code-page=1252 --family-id=%FID% --mapname="60%FID%001" --overview-mapname="%map%" --series-name="%map%" --family-name="Roger's Maps: %map%" --description="%map%" --no-poi-address --preserve-element-order --tdbfile  --style-file=..\resources\styles --style=roger -c template.args "..\resources\style.txt"

echo.
echo ***********************************************
echo *** IMG Creation Script End - Press any key ***
echo ***********************************************
pause >nul