[mkgmap-dev] Raise an error when levels and dem-dists mismatch

Tue Jul 12 17:19:57 BST 2022

Hi Gerd,

yes, I can confirm that a smaller dem-dists count is no problem. So I 
change my request to a validity check for dem-dists-levels <= levels.

On 7/11/22 14:00, Gerd Petermann wrote:
> Hi Daniel,
> 
> thanks for your post. I think there is no problem when the number of dem-dists is smaller than the number of levels.
> Can you confirm that?
> 
> Gerd
> 
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Daniel Vogelbacher <daniel at vogelbacher.name>
> Gesendet: Sonntag, 10. Juli 2022 17:34
> An: mkgmap-dev at lists.mkgmap.org.uk
> Betreff: [mkgmap-dev] Raise an error when levels and dem-dists mismatch
> 
> Hi all,
> 
> I've debugged the past two days why a custom map won't be recognized by
> my Garmin Oregon 700 device.
> The issue was the dem configuration. My style uses this level mapping:
> 
>       levels = 0:24, 1:22, 2:20, 3:18, 4:16
> 
> While my dem distribution line was:
> 
>       dem-dists=3312,6624,9936,13248,16560,19872,23184,26496
> 
> So there are only 5 levels defined, but the distribution maps to 8.
> (I copied the dem-dists line from Freizeitkarte-style without thinking
> about it...)
> 
> The build process was successfully, but the map was never listed in the
> device map selection. After fixing the level mapping in the style/option
> file, the map gets listed.
> 
> So may I ask to add a check/exception to prevent building maps when
> there is a mismatch between levels vs. dem-dists?
> Thank you!
> 
> 
> --
> Best regards / Mit freundlichen Grüßen
> Daniel Vogelbacher
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