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[mkgmap-dev] BuildDEMFile: system out of memory

From lig fietser ligfietser at hotmail.com on Sat Dec 9 17:12:04 GMT 2017

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Hi Frank,

I was running your tool on my Atlantic map and got a system out of memory error. The script did continue to build the dem data but in my map a few islands in the center of the map were missing DEM data (see the red area in the attachment, Sao Miguel on the Azores and La Palma and El Hierro on the Canary Islands). Any idea how to solve this issue?

The map OFM_Atlantic(13-10-2017_gmap you can download at


DEM tiles I downloaded from http://www.javawa.nl/srtm/index.php?lang=en (viewfinder panoramas)


The command that I used is:

for /D %%i in (34351*.*) do (BuildDEMFile.exe -d %%i\%%i.DEM --hgtpath=%hgtpath% --tre=%%i\%%i.TRE --lastcolstd --usedummydata --dlon=0.00027761

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