Hello Scott,
I like your questions. The most important is that the experts agree that r100 is a good and consumer friendly Convention, at least for fast orientation purposes and as an alternative to open squared systems or simply "here". The specifications for this piece of a polar system could be: 1 - Name: r100 2 - identification letter: "r" as radius, lower case. 3 - value: 100, which represents 100 "blocks of houses", 100 x 100 meters or 100 x 100 yards. 4 - color: red. 5 - conversion from lat/lon acc. known geodetic algorithms. 6 - definition of urban pole: according list ., actually only on www.volksnav.de/mapplet. The definition of these relevant urban poles is a result of many years of hard work and I claim intellectual property. Here the question could arise: "do you prefer open or optimal polar systems?". Does anybody know if the transition point NS/EW for post codes in London (a strange mix polar/squared system ) is a relevant point? Please confirm: it's not. ---- The proposed specification didn't come from members but could come active from OGC side. Where there is a will, there is a way: is there the possibility to create a premium standard for premium members? This would surely increase the number of members. Henrique P. S.: Openwashing: <http://opensource.com/business/14/12/openwashing-more-prevalent> http://opensource.com/business/14/12/openwashing-more-prevalent
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