On 19 December 2011 22:10, Ross Scanlon <[email protected]> wrote: > > The original coastlines were from NASA PGS data and if they have been > deleted and/or merged to the ABS data then the coastline is going to be > deleted as well.
On 19 December 2011 23:17, Stephen Hope <[email protected]> wrote: > Years ago, some of us spent quite a lot of time cleaning up the PGS > boundaries. I think somebody did rip them out and replace them with ABS, > which they said was better than the PGS, though I didn't think was better > than the cleaned up PGS. and in some places was worse. > Not to mention nearmap and yahoo derived coastline from non-relicencing mappers. There is certainly an impact to coastline. I can think of many other scenarios. A common one would be a non-CT mapper splitting a PGS defined coastline and aligning with nearmap. I would doubt the removal script in April would be intelligent enough to piece that back together. Ian.
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