Unless we have very good reference, using rivers as boundaries is not always a good choice. The post-ondoy imagery from Bing shows that a lot of river tributaries have changed already: http://www.openstreetmap.org/user/maning/diary/13191
On Sun, Mar 27, 2011 at 11:35 PM, Eugene Alvin Villar <sea...@gmail.com> wrote: >>> 4. When you moved the QC-Rizal boundary to Marikina River >>> (which I'm >>> not sure is really correct) >> >> Well it seemed more logical, as lots of the boundaries seem to follow rivers >> and streams. > > While it seems logical, it's not always the case. Many boundaries > don't follow any natural feature. Quezon City's map > <http://www.quezoncity.gov.ph/index.php?option=com_content&view=article&id=141&Itemid=16> > suggests that the boundary in that area is a straight line and not the > Marikina River. This map of neighboring San Mateo > ,http://www.batangsanmateo.com/map/index.htm> also suggests that the > boundary is a straight line. -- cheers, maning ------------------------------------------------------ "Freedom is still the most radical idea of all" -N.Branden wiki: http://esambale.wikispaces.com/ blog: http://epsg4253.wordpress.com/ ------------------------------------------------------ _______________________________________________ talk-ph mailing list talk-ph@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-ph
