On Monday, March 24, 2014 09:46:43 PM Jason Remillard wrote:
- Breaking up the source data by town might not make sense. Ideally, each OSM chuck will be small enough where somebody can do a good job checking it over and uploading in in less than an hour or so. You also want to keep each upload < 5,000 nodes/ways. An entire town might be too large. - Selecting chunks of data in JOSM is tricky. Consider the case of having a multi-polygon building laying on the border of a town. You might also want to take a look at this program (https://wiki.openstreetmap.org/wiki/Splitter). You can specify it to have a certain number of nodes as the maximum, and it divides the data into enough rectangles to meet the conditions. It also handles relations and multipolygons well. -- Saikrishna Arcot
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