On 2 February 2012 21:46, Andrew Harvey <[email protected]> wrote:
> > I'm curious about how to map the coastline from imagery? The coastline > is meant to be mean high tide, but with all those waves coming in and > only a rough guess of where abouts in the 12 hr cycle the imagery was > taken how do you know where to put the way? > > If there is a man made seawall or barrier, I use that. If not, I try to estimate how high the water comes at high tide from the look of the terrain. If all we have is one image, then that's all we have. Ian.
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