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by north-north-west » Mon 19 May, 2025 5:08 pm
Warin wrote:north-north-west wrote:Maps that only show the mean high water line of lakes with large seasonal variation (such as Augusta, Mackenzie, yingina). Would it be that hard to also show the usual drier season water line?
Open Street Maps (the data base OSM) only documents the high water mark... because that is easiest to determine from the tidal (or seasonal) wash up. Determining the low water mark from satellite imagery leads to disputes of where it is... Generally OSM tries to get away from disputes.
As Nic said, the relevant data (for Tasmania) is on ListMap. No controversy necessary.
"Mit der Dummheit kämpfen Götter selbst vergebens."
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north-north-west
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by Last » Wed 21 May, 2025 10:33 pm
Son of a Beach wrote:north-north-west wrote:Maps that only show the mean high water line of lakes with large seasonal variation (such as Augusta, Mackenzie, yingina). Would it be that hard to also show the usual drier season water line?
That should be simple for them to get right. The data is certainly available on the LIST.

They seem to manage it with Lake Augusta
noen ganger er det godt å være alene i villmarken
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by north-north-west » Fri 23 May, 2025 9:42 am
Last wrote:Son of a Beach wrote:north-north-west wrote:Maps that only show the mean high water line of lakes with large seasonal variation (such as Augusta, Mackenzie, yingina). Would it be that hard to also show the usual drier season water line?
That should be simple for them to get right. The data is certainly available on the LIST.

They seem to manage it with Lake Augusta
Not on OSM. Unless I've missed an update?
"Mit der Dummheit kämpfen Götter selbst vergebens."
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north-north-west
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by Son of a Beach » Fri 23 May, 2025 11:21 am
Yeah... OSM's fairly useless in Tassie wilderness areas. I usually use LIST Map (downloaded offline onto my phone) and have a few other sources that are also decent.
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