Hi
My understanding of the default Garmin usage is that
0x20..0x22 are land/height contours (Minor to Major)
0x23..0x25 are sea/depth " "
Ticker
On Thu, 2023-03-02 at 08:52 +0000, Gerd Petermann wrote:
> Hi Vadim,
>
> I see code in mkgmap to handle the statement with Elevation=m or
> Elevation=M, but it is only used for the line types 0x20 .. 0x22.
> Do you have a good reason to use line type 0x25 instead?
>
> Gerd
>
>
> ________________________________________
> Von: mkgmap-dev <
mkgmap-dev-bounces@lists.mkgmap.org.uk> im Auftrag
> von Vadim Karpov <
bombur@mail.ru>
> Gesendet: Mittwoch, 1. März 2023 13:00
> An:
mkgmap-dev@lists.mkgmap.org.uk> Betreff: [mkgmap-dev] The "Elevation=M" in the header of the polish
> .MP files does not work
>
> Good afternoon !
>
> I am using the latest version of MkGMap and trying to create a depth
> chart with isolines (types 0x24, 0x25).
>
> The problem is that the compiler interprets the depth specified in
> Meters as in Feet.
> The result is independent of the presence or value of the
> "Elevation=M" parameter.
>
> And I didn't find an alternative command line option. :(
>
> So how can I tell the compiler to treat all numerical depth and
> height values in an .MP file as meters and not feet?
>
> Thanks for the advice.
>
> PS: cGpsMapper works fine with "Elevation=M" of course.
> PPS: Example of polylyne defs:
>
> [POLYLINE]
> Type=0x02500
> Label=21
> EndLevel=3
> Data0=(47.139263517000003,-122.560520313), ...
> [END]
>
> [POLYLINE]
> Type=0x02500
> Label=12
> EndLevel=3
> Data0=(47.127846400000003,-122.562501059), ...
> [END]
>
> --
> Vadim Karpov
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