i have the following in my openlayers javascript part of my page:
var localtiles = new OpenLayers.Layer.TMS("Local tiles",
"http://osm-dev/osm_tiles2/";,
{type:'png', getURL: get_osm_url, isBaseLayer: false,
numZoomLevels:17, displayOutsideMaxExtent: true
}, {'buffer':1} );
map.addLayer(localtiles);
guess that's ok then to exclude the fact on using jpg.
my map.xml file get's rendered through mod_tile (it's in the osm
svn-tree) which responds to http://osm-dev/osm_tiles2/
tiles requests.
my mapnik xml file holds the following map-tag
<Map bgcolor="transparent" srs="+proj=merc +datum=WGS84 +k=1.0 +units=m
+over +no_defs">
and with this the background goes pitchblack.
i have tried the openlayers definition with isBaseLayer: true , but the
same results apply.
pretty odd.
On Fri, 11 Apr 2008, Christopher Schmidt wrote:
On Fri, Apr 11, 2008 at 09:52:15PM +0200, ivom wrote:
thanks, but this bgcolor="transparent" makes my image image totally black
with some stuff drawn on it. I can not see through it.
the goal i am trying to achieve is to have something like the maplint
overlay that is in the osm http://www.openstreetmap.org/index.html page
Are you sure you're not saving as jpg? jpgs don't support transparency.
Use PNG?
-- Chris
On Fri, 11 Apr 2008, Alberto Giménez E. wrote:
Hi,
Try bgcolor="transparent", it should work.
2008/4/11, ivom <[EMAIL PROTECTED]>:
hi,
What parameter controls the transperancy of the output of mapnik? I have
an XML-file built from the omnious example osm.xml and controlling the
background color is easy bgcolor="ffeedd" what about the alpha channel?
Is there an XML schema or dtd that I have overlooked somewhere?
ivom
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