Nikos Alexandris wrote: > > > > I tried to import USGS' (2011) Global Mangroves map: ..
Markus Metz wrote: > > > I assume the global mangroves map should not have overlapping > > > polygons, therefore as long as there are overlapping areas and/or the > > > number of centroids is not equal to the number of input polygons, more > > > cleaning is needed. Nikos A: > > Unfortunately it seems there are overlapping polygons. .. > > I will search the respective documentation tonight to find stuff related > > to minimum area extent -- maybe this can help (?). > I can't find more than a short description of the production process and > basic geo-referencing information > (<http://data.unep-wcmc.org/datasets/21#fn2>). I will try to search more > and perhaps gain contact with the responsible organisations UNEP-WCMC and > USGS. For the records, I had an e-mail exchange with Chandra Giri (last month actually), the man behind the wonderful work of the Global Mangroves map. I informed that the Shapefiles contain many duplicate entries, as indicated by GRASS' import process. Nikos _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
