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
