Mats,
Does your database contain a column called parking? I had something similar
once and had to add an extra field to default.style to make osm2pgsql add
the extra column. This is only relevant if you are using osm2pgsql though!
Graham
____________________
Graham Jones
(from my phone)
On Mar 25, 2010 6:18 AM, "MatsH" <mapnik-users.openstreetmap.org@
mats-hecking.de> wrote:
Hi everybody,
i just started using mapnik. The first tries went all well, and I'm quite
happy. But now I want to to some more specific drawings. All parking lots
are supposed to be drawn in color A, but all multi-story parking lots are
supposed to be drawn in color B.
So far the parking lots are drawn like this (making all of them the same
color):
<Rule>
<Filter>[amenity] = 'parking'</Filter>
<MaxScaleDenominator>1000000</MaxScaleDenominator>
<PolygonSymbolizer>
<CssParameter name="fill">#f7efb7</CssParameter>
</PolygonSymbolizer>
</Rule>
So my first guess was this:
<Rule>
<Filter>[amenity] = 'parking' and not [parking] =
'multi-storey'</Filter>
<MaxScaleDenominator>1000000</MaxScaleDenominator>
<PolygonSymbolizer>
<CssParameter name="fill">#f7efb7</CssParameter>
</PolygonSymbolizer>
</Rule>
<Rule>
<Filter>[amenity] = 'parking' and [parking] = 'multi-storey'</Filter>
<MaxScaleDenominator>1000000</MaxScaleDenominator>
<PolygonSymbolizer>
<CssParameter name="fill">#000</CssParameter>
</PolygonSymbolizer>
</Rule>
Only mapnik throws a runtime error: "column 'parking' does not exist".
Apparently I have to read the column 'parking' into the memory somewhere.
I'm just not sure how to manage that. (so far I just made some minor
changes, like deleting a couple of layers and changing colors. So I'm not
into the method of operation of mapnik all that well.)
Any help would be appreciated.
Greets, Mats
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