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IGN 1/500000 map for France


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Xavier
Xavier
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I'm a PPL instructor in France.
A French regulation makes it mandatory to overfly cities and towns at a minimum height depending on the size of the town.
The official regulation (arreté de 1957) says that the size of the town are shown on the IGN (Institut Geographique National) 1/500000 map.
So I must in practice teach navigation with that IGN map as it is the only source of information available.
As it is not available in Skydemon I just cannot recommend Skydemon to my students, and they go for SDVFR or Flymate instead. It's a shame as Skydemon is I think the best VFR navigation app. Once they get used to another app, they won't change.

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BJS
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Gerhard66 - 1/9/2022 7:42:35 PM
Tim Dawson - 1/6/2022 10:29:26 AM
It looks like it's done on "mean width" of the town, goodness knows how that is calculated and whether we would even arrive at the same exact results as the other chart.

The way we decide on what town dots/blobs to display at what zoom levels is dynamic and depends on how built-up each area/country is.

As C82R mentioned („You can freely access to the map through https://www.geoportail.gouv.fr...“), IGN seems to have no financial interest in providing the data. 
One could ask IGN if they would be so nice and make the underlying data available as XML-File or similar… 

As other competitors already offer that, the data must be available in electronic format already.

GO

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C82R - 1/2/2022 10:20:31 AM
Gerhard66 - 1/2/2022 2:56:05 PM
C82R - 1/2/2022 8:45:14 PM
Daniel_KDF - 1/5/2022 11:23:39 AM
Tim Dawson - 1/5/2022 10:58:11 AM
KimW - 1/5/2022 3:28:28 PM
tnowak - 1/5/2022 12:46:27 PM
tnowak - 1/6/2022 9:44:38 AM
Tim Dawson - 1/6/2022 10:29:26 AM
Gerhard66 - 1/9/2022 7:42:35 PM
BJS - 1/12/2022 11:36:25 AM
C82R - 1/9/2022 7:23:05 PM
Tim Dawson - 1/13/2022 9:48:01 AM
pgroell - 1/13/2022 10:33:03 AM
Tim Dawson - 1/14/2022 10:11:04 AM
BJS - 1/14/2022 4:01:22 PM
Gerhard66 - 1/14/2022 5:46:47 PM
grahamb - 1/14/2022 8:58:04 PM
BJS - 1/15/2022 10:40:46 AM
Tim Dawson - 1/17/2022 9:12:16 AM
Gerhard66 - 1/17/2022 9:17:40 AM

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