<br><br><div class="gmail_quote">2010/4/2 Daniel Kastl <span dir="ltr"><<a href="mailto:daniel@georepublic.de">daniel@georepublic.de</a>></span><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Hi Emilie,<br><br>I followed a discussion about postal code attribution on the talk list and it made me think about how to represent a Japanese address.<br><br>At first, mapping in Japan is quite convenient for lazy people like me, who don't write down street names while collecting GPS data, because most roads don't have a name anyway. But then, if you are looking for an address with a geocoder for example, what do you search for? If you have street names already the only thing you might be missing is the house number. But at least you know where the street is located.<br>
<br>Street addresses work very well with OSM, because it's all about the streets, right? Now there is this Japanese address data I was talking about, but it doesn't break down to the house level, so it's missing the "house numbers". It gives a point as a geo reference, but actually it should be a block or area. Well, these blocks don't exist in OSM, because we're mostly mapping roads ;-)<br>
This article describes the problem well: <a href="http://sivers.org/jadr" target="_blank">http://sivers.org/jadr</a><br><br>I think there are already a couple of features in OSM, that are available as a point object, but should be a polygon object. For example city "points". OK, for rendering it's nice to have a point with a label, but that's not really GIS. <br>
Japanese addresses (especially district and block level) should be polygons in my opinion as well as administrative boundaries and postal code areas are.<br></blockquote></div><br>I agree. I will answer more tomorrow just came back from holiday.<br>
<br>Emilie Laffray<br>