On 03/04/18 05:27, Martin Koppenhoefer wrote:
sent from a phone
On 2. Apr 2018, at 06:13, Warin <[email protected]> wrote:
Comments? Any that support the high water mark limit I'd be interested in
seeing.
I find it generally difficult to estimate high and low water positions, when
I’m adding beaches at the sea I will usually use the coastline as border
towards the water and the put the rear border where it looks like the end of
the beach. On rivers and lakes I would also use the water boundary as border
for the beach.
Where is it difficult? An example would help?
As a counter example;
Here is Bondi Beach, Australia.
https://www.openstreetmap.org/edit#map=17/-33.89168/151.27720
If you use the LPI Imagery you can clearly see the sand under the water edge.
If you use the Bing, Digital Globe, ERSI, Mapbox, AGRI imagery you can see
towards the low water mark.
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