Hi,
there are 2 consecutive bytes in TDB file. Let's name them "fist" and
"second".
Current processing of mkgmap is:
Option --show-profiles=0|1 sets byte "first" to 0 or 1.
Byte "second" is always 0.
Processing of cgpsmapper is:
Byte "first" is always 0.
Option HeightProfile=N|Y sets byte "second" to 0 or 1.
Cgpsmapper doesn't support DEM, so the option is evidently designed for
contour lines.
Processing of GMapTool:
Byte "first" is set to 1 if all tiles contain DEM, otherwise is set to 0.
Byte "second" is always set to 1.
I don't know, which way is valid or better. I suspect, that BaseCamp and
Mapsource can somehow deal with all cases.
--
Best regards,
Andrzej
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