This is likely a bug in TileCache: http://openlayers.org/pipermail/tilecache/2010-January/002205.html
Thanks, Bjørn 2010/1/17 Rahkonen Jukka <[email protected]>: > Hi, > > Unfortunately ogrinfo report looks totally OK to me. > > -Jukka- > > > -----Alkuperäinen viesti----- > Lähettäjä: Bjørn Sandvik [mailto:[email protected]] > Lähetetty: la 16.1.2010 19:50 > Vastaanottaja: [email protected]; Rahkonen Jukka > Aihe: Re: [Mapnik-users] Problem with spherical mercator at one zoom level > > ogrinfo -summary -al countries_point_lonlat_sorted.shp > > INFO: Open of `countries_point_lonlat_sorted.shp' > using driver `ESRI Shapefile' successful. > > Layer name: countries_point_lonlat_sorted > Geometry: Point > Feature Count: 198 > Extent: (-175.185000, -42.634000) - (179.219000, 64.764000) > Layer SRS WKT: > (unknown) > name: String (254.0) > iso2: String (254.0) > iso3: String (254.0) > un: Real (16.6) > fips: String (254.0) > lon: Real (16.6) > lat: Real (16.6) > area: Real (16.6) > pop2005: Real (16.6) > nor: String (254.0) > swe: String (254.0) > dan: String (254.0) > fin: String (254.0) > ice: String (254.0) > > Bjørn > > > 2010/1/16 Rahkonen Jukka <[email protected]>: >> Hi, >> >> Perhaps something odd with coordinates or extents. What does "ogrinfo >> -summary -al" report about the shapefiles? >> >> -Jukka Rahkonen- >> >> Bjørn Sandvik wrote: >> >>> Hi Warren and Artem >> >>> Thanks for your effort. Same result after adding "+over" to SRS. I'm >> using Mapnik 0.6.1 from the win32 binaries. I'll move to 0.7.0 >> binaries when its released. >> >>> Thanks, >>> Bjørn >> >> >>> 2010/1/16 Warren Vick <[email protected]>: >>>> I'm using FME to reproject, but otherwise same set-up. Here's my SRS: >>> >>>> +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 >>>> +k=1.0 +units=m +nadgri...@null +no_defs +over >>> >>> I recall something important about the "+over" but confess I've forgotten >>> what it does. Perhaps worth a try! >>> >>> Regards, >>> Warren >>> >>> -----Original Message----- >>> From: Bjørn Sandvik [mailto:[email protected]] >>> Sent: 16 January 2010 12:18 PM >>> To: [email protected]; Warren Vick >>> Subject: Re: [Mapnik-users] Problem with spherical mercator at one zoom >>> level >>> >>> Hi, >>> >>> I'm facing the same problem after converting the shapefile to >>> spherical mercator with ogr2ogr: >>> ogr2ogr -t_srs EPSG:900913 -s_srs EPSG:4326 >>> countries_point_lonlat_sorted_merc.shp >>> countries_point_lonlat_sorted.shp >>> >>> Projection used in mapnik xml: >>> <Layer name="Country Labels" srs="+proj=merc +a=6378137 +b=6378137 >>> +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m >>> +nadgri...@null"> >>> >>> I've also tried different shapefiles. Same result. I'm using TileCache >>> to pre-generate the tiles. >>> >>> Bjørn >>> >>> >>> 2010/1/16 Warren Vick <[email protected]>: >>>> Hello Bjørn, >>>> >>>> I had similar issues when first working with Mapnik. The only solution I >>>> found was to convert all my data to spherical Mercator, rather than try to >>>> work with a mix. No problems since. >>>> >>>> Regards, >>>> Warren >>>> >>>> -----Original Message----- >>>> From: [email protected] >>>> [mailto:[email protected]] On Behalf Of Bjørn Sandvik >>>> Sent: 15 January 2010 9:42 PM >>>> To: [email protected] >>>> Subject: [Mapnik-users] Problem with spherical mercator at one zoom level >>>> >>>> Hi, >>>> >>>> I'm experiencing a strange error with Mapnik rendering labels from a point >>>> shapefile. For zoom level 1 only labels on the southern hemisphere (the >>>> two bottom tiles) are rendered - see the image attachment. The other zoom >>>> levels are rendered correctly. It works when using standard >>>> latitude/longitide projection (EPSG:4326), but not "spherical mercator". >>>> >>>> tilecache.cfg >>>> >>>> [country_labels2] >>>> type=Mapnik >>>> mapfile=C:\EarthAtlas\maps\merc_country_labels2.xml >>>> spherical_mercator=true >>>> metaTile=true >>>> metaBuffer=50 >>>> metaSize=2,2 >>>> >>>> merc_country_labels2.xml >>>> >>>> <?xml version="1.0" encoding="utf-8"?> >>>> <!DOCTYPE Map> >>>> <Map srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 >>>> +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgri...@null"> >>>> <Style name="country_labels"> >>>> <Rule> >>>> <TextSymbolizer name="nor" face_name="DejaVu Sans Book" size="8" >>>> wrap_width="50" fill="black" halo_fill="white" halo_radius="1" dy="0" >>>> dx="0" vertical_alignment="middle" allow_overlap="false"/> >>>> </Rule> >>>> </Style> >>>> <Layer name="Cities" srs="+proj=latlong +datum=WGS84"> >>>> <StyleName>country_labels</StyleName> >>>> <Datasource> >>>> <Parameter name="encoding">latin1</Parameter> >>>> <Parameter name="type">shape</Parameter> >>>> <Parameter >>>> name="file">originals/countries_point_lonlat_sorted/countries_point_lonlat_sorted</Parameter> >>>> </Datasource> >>>> </Layer> >>>> </Map> >>>> >>>> I've also tried to reproject the shapefile before rendering the tiles >>>> - but the error was still there. >>>> >>>> Anyone else who have experienced this problem? >>>> >>>> Cheers, >>>> Bjørn >>>> >>>> http://blog.thematicmapping.org >>>> >>> >> _______________________________________________ >> Mapnik-users mailing list >> [email protected] >> https://lists.berlios.de/mailman/listinfo/mapnik-users >> >> >> > > _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users
