[josm-dev] [OSM-dev] Out of copyright WMS offering - looking for assistance
Andy Robinson (blackadder-lists)
ajrlists at googlemail.com
Mon Oct 19 10:17:29 BST 2009
Steve Hosgood wrote:
>Sent: 19 October 2009 9:39 AM
>To: dev at openstreetmap.org
>Subject: Re: [OSM-dev] Out of copyright WMS offering - looking for
>Andy Robinson (blackadder-lists) wrote:
>> Oh, and I forgot the most important issue. The plug-in is looking for
>> when the ooc map tiles are all jpgs.
>Must they be .jpgs? You'll get a lot of "sharp edge" artefacts using the
>.jpg format on a map. In theory at least (and in practice whenever I've
>done it) .png will give better results on material such as that.
Bear in mind these are printed maps, not rasterised vector maps. We tried
with png but you can get much lower file size without loosing too much
definition with the jpg's.
Now, if someone wants to spend the time proving me wrong they are welcome to
a an original scan to try it.
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