[OSM-dev] [Mapnik-devel] reliefs madness
Artem Pavlenko
artem.mapnik at googlemail.com
Wed Jan 9 13:53:58 GMT 2008
On 9 Jan 2008, at 12:59, Jochen Topf wrote:
> On Wed, Jan 09, 2008 at 12:44:51PM +0000, Artem Pavlenko wrote:
>>> I think areas below sea level should just get the darkest green.
>>> In most
>>> cases it is probably not necessary to distinguish the details.
>>>
>>
>> OK, below sea level is now corrected :
>> http://artem.dev.openstreetmap.org/files/reliefs/water.jpg
>> but there are still lots of water around. I guess this represents
>> reality.
>
> But the water is not real. Look at the Google aerial images for that
> area and you'll see. Well, there is a lot of water in Holland, no
> question about that. But your relief gives the wrong impression,
> because
> it looks like some kind of marsh land or so while in reality it is
> mostly dry with some canals in between.
Agreed.
>
> Maybe ignoring all water pixels if they have less than n sorrounding
> pixels with water or something like it.
I think I have even better solution. We can use SWBD to create water/
land, which will allow to filter out 'real' water.
Artem
>
> But it does look mmuch better now. Definitely good enough to be
> "usable".
>
> Jochen
> --
> Jochen Topf jochen at remote.org http://www.remote.org/jochen/
> +49-721-388298
>
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