Ozodbek, Try using the "world_merc.shp" demo files here:
http://bitbucket.org/springmeyer/tilelite/src/tip/demo/ To get those just download this: http://bitbucket.org/springmeyer/tilelite/get/ad8d8e9a9a2c.zip And find the set of files that make up the 'world_merc.shp' in the demo/ folder. Dane On Jan 28, 2010, at 3:35 AM, Ozodbek Ulmasov wrote: > Artem, thanks for your reply, but I am beginner in Mapnik. Please > explain it in detail > I have configured as following: > installed proj4 as written in manual and setup following commands in > Python >>>> from mapnik import Projection >>>> Projection('+init=epsg:900913') > > Added this link ... into c:\prog\nad\epsg > «900913» +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 +wktext +no_defs «» > > > Anyway the map rendering is not correct as it must be. > > > #### wms.py #### > import sys > from mapnik.ogcserver.wsgi import WSGIApp > sys.path.append('c:/ms4w/Apache/htdocs/wms/') > > application = WSGIApp('c:/ms4w/Apache/htdocs/wms/ogcserver.conf') > > if __name__ == '__main__': > from wsgiref.simple_server import make_server > httpd = make_server('localhost', 8000, application) > print "Listening on port 8000...." > httpd.serve_forever() > > #### ogcserver.conf #### > [server] > module= xml_factory > debug=1 > [service] > title=MapnikOGC > abstract=The Mapnik OGC Server Sample Configuration > maxheight=2048 > maxwidth=2048 > # 3031 is an antarctica polar projection > allowedepsgcodes=3031,4326,3395,900913 > > onlineresource=http://localhost/ > fees= > keywordlist=mapnik > accessconstraints= > > [contact] > contactperson= > contactorganization= > contactposition= > addresstype= > address= > city= > stateorprovince= > postcode= > country= > contactvoicetelephone= > contactelectronicmailaddress= > > #### xml_factory.py #### > > from mapnik.ogcserver.WMS import BaseWMSFactory > from mapnik import * > > class WMSFactory(BaseWMSFactory): > def __init__(self): > BaseWMSFactory.__init__(self) > self.loadXML('c:/ms4w/Apache/htdocs/wms/population.xml') > self.finalize() > > #### index.php #### > > <script src="http://localhost/OpenLayers/lib/OpenLayers.js"></script> > > <script type="text/javascript"> > var map; > > function init() { > > var options = { > maxResolution: 156543.0339, > units: 'm', > projection: new OpenLayers.Projection("EPSG:900913"), > maxExtent: new OpenLayers.Bounds(-20037508.34, > -20037508.34, 20037508.34, 20037508.34) > }; > > map = new OpenLayers.Map("map", options); > wms = new OpenLayers.Layer.WMS("Mapnik > WMS","http://localhost:8000?", > { > layers: '__all__', > format:'image/png', > bgcolor:'0x90B4D5', > //transparent:'TRUE' > }, > { > gutter:1, > buffer:0, > ratio:1, > wrapDateLine: true, > isBaselayer:true, > singleTile:true, > transitionEffect:'resize' > } > ); > > map.addLayers([wms]); > map.fractionalZoom = true; > map.addLayers([wms]); > map.addControl(new OpenLayers.Control.Scale('scale')); > map.addControl(new > OpenLayers.Control.Permalink('permalink')); > map.addControl(new OpenLayers.Control.MousePosition()); > map.addControl(new OpenLayers.Control.Navigation()); > map.addControl(new OpenLayers.Control.PanZoom()); > var ls = new OpenLayers.Control.LayerSwitcher() > map.addControl(ls); > ls.maximizeControl(); > map.zoomToMaxExtent(); > } > </script> > > #### population.xml #### > <?xml version="1.0" encoding="utf-8"?> > <!DOCTYPE Map> > <!-- Sample Mapnik XML template by Dane Springmeyer --> > <Map srs="+proj=latlong +datum=WGS84"> > > <Style name="population"> > > <Rule> > <!-- Built from Seven Class sequential YIGnBu from www.colorbrewer.org > --> > <!-- Quantile breaks originally from QGIS layer classification > --> > <Filter>[POP2005] = 0 </Filter> > <PolygonSymbolizer> > <CssParameter name="fill">#ffffcc</CssParameter> > </PolygonSymbolizer> > <!-- Outlines for Antarctica look good --> > <LineSymbolizer> > <CssParameter name="stroke">black</CssParameter> > <CssParameter name="stroke-width">.1</CssParameter> > </LineSymbolizer> > </Rule> > > <Rule> > <Filter>[POP2005] > 0 and [POP2005] < 15000</Filter> > <PolygonSymbolizer> > <CssParameter name="fill">#c7e9b4</CssParameter> > </PolygonSymbolizer> > <!-- Outlines for Antarctica look good --> > <LineSymbolizer> > <CssParameter name="stroke">black</CssParameter> > <CssParameter name="stroke-width">.1</CssParameter> > </LineSymbolizer> > </Rule> > > <Rule> > <Filter>[POP2005] >= 15000 and [POP2005] < 255000</Filter> > <PolygonSymbolizer> > <CssParameter name="fill">#7fcdbb</CssParameter> > </PolygonSymbolizer> > </Rule> > > <Rule> > <Filter>[POP2005] >= 255000 and [POP2005] < 1300000</ > Filter> > <PolygonSymbolizer> > <CssParameter name="fill">#1d91c0</CssParameter> > </PolygonSymbolizer> > </Rule> > > <Rule> > <Filter>[POP2005] >= 1300000 and [POP2005] < 4320000</ > Filter> > <PolygonSymbolizer> > <CssParameter name="fill">#41b6c3</CssParameter> > </PolygonSymbolizer> > </Rule> > > <Rule> > <Filter>[POP2005] >= 4320000 and [POP2005] < 9450000</ > Filter> > <PolygonSymbolizer> > <CssParameter name="fill">#225ea8</CssParameter> > </PolygonSymbolizer> > </Rule> > > <Rule> > <Filter>[POP2005] >= 9450000 and [POP2005] < 25650000</ > Filter> > <PolygonSymbolizer> > <CssParameter name="fill">#225ea8</CssParameter> > </PolygonSymbolizer> > </Rule> > > <Rule> > <Filter>[POP2005] >= 25650000 and [POP2005] < 1134000000</ > Filter> > <PolygonSymbolizer> > <CssParameter name="fill">#122F7F</CssParameter> > </PolygonSymbolizer> > </Rule> > > <Rule> > <ElseFilter/> <!-- This will catch all other values - in this > case just India and China --> > <!-- A dark red polygon fill and black outline is used here to > highlight these two countries --> > <PolygonSymbolizer> > <CssParameter name="fill">darkred</CssParameter> > </PolygonSymbolizer> > <LineSymbolizer> > <CssParameter name="stroke">black</CssParameter> > <CssParameter name="stroke-width">.7</CssParameter> > </LineSymbolizer> > </Rule> > > </Style> > > <Style name="countries_label"> > <Rule> > <!-- Only label those countries with over 9 Million People --> > <!-- Note: Halo and Fill are reversed to try to make them > subtle --> > <Filter>[POP2005] >= 4320000 and [POP2005] < 9450000</ > Filter> > <TextSymbolizer name="NAME" face_name="DejaVu Sans Bold" > size="7" fill="black" halo_fill= "#DFDBE3" halo_radius="1" > wrap_width="20" spacing="5" allow_overlap="false" avoid_edges="false" > min_distance="10"/> > </Rule> > > <Rule> > <!-- Only label those countries with over 9 Million People --> > <!-- Note: Halo and Fill are reversed to try to make them > subtle --> > <Filter>[POP2005] >= 9450000 and [POP2005] < 25650000</ > Filter> > <TextSymbolizer name="NAME" face_name="DejaVu Sans Book" > size="9" fill="black" halo_fill= "#DFDBE3" halo_radius="1" > wrap_width="20" spacing="5" allow_overlap="false" avoid_edges="false" > min_distance="10"/> > </Rule> > > <Rule> > <!-- Those with over 25 Million get larger labels --> > <Filter>[POP2005] >= 25650000 and [POP2005] < 1134000000</ > Filter> > <TextSymbolizer name="NAME" face_name="DejaVu Sans Book" > size="12" fill="white" halo_fill= "#2E2F39" halo_radius="1" > wrap_width="20" spacing="5" allow_overlap="false" avoid_edges="true" > min_distance="10"/> > </Rule> > > <Rule> > <!-- Those with over 25 Million get larger labels --> > <!-- Note: allow_overlap is true here to allow India to sneak > through --> > <Filter>[POP2005] >= 1134000000</Filter> > <TextSymbolizer name="NAME" face_name="DejaVu Sans Book" > size="15" fill="white" halo_fill= "black" halo_radius="1" > wrap_width="20" spacing="5" allow_overlap="true" avoid_edges="true" > min_distance="10"/> > </Rule> > </Style> > > <Layer name="countries" status="on" queryable="true"> > <!-- Style order determines layering hierarchy --> > <!-- Labels go on top so they are listed second --> > <StyleName>population</StyleName> > <Datasource> > <Parameter name="type">shape</Parameter> > <Parameter > name="file">c:/ms4w/Apache/htdocs/wms/data/ > TM_WORLD_BORDERS_SIMPL-0.2</Parameter> > </Datasource> > </Layer> > > <Layer name="countries_l" status="on" queryable="true"> > <!-- Style order determines layering hierarchy --> > <!-- Labels go on top so they are listed second --> > <StyleName>countries_label</StyleName> > <Datasource> > <Parameter name="type">shape</Parameter> > <Parameter > name="file">c:/ms4w/Apache/htdocs/wms/data/ > TM_WORLD_BORDERS_SIMPL-0.2</Parameter> > </Datasource> > </Layer> > </Map> > > On 1/28/10, Artem Pavlenko <[email protected]> wrote: >> Hi Ozodbek, >> >> You're projecting from Geographical (Lon/Lat) WGS84 coordinate system >> to spherical Mercator (spheroid not an ellipsoid) , right? In this >> process you're getting coordinates which are outside of the valid >> longitude range (-180,180). The workaround depends on your >> requirements. Try using Mercator with WGS84 ellipsoid, or pre-process >> your original dataset to use spheroid and clip all features to the >> extent which will keep proj4 happy e.g >> >> -180,-85,180,85 >> >> We're aware of this issue and current behaviour is far from ideal. >> This is something we're hoping to address in upcoming releases. >> >> Regards, >> Artem >> >> >> 2010/1/28 Ozodbek Ulmasov <[email protected]>: >>> Map was shown incorrect when I opened it in browser. >>> To check it please visit this link http://max.uz/mapnik.gif >>> I also noticed disappearing of layers when zooming. >>> The same problem occures with other maps. >>> I really need your help, can you please suggest me how can I solve >>> the >>> problems. >>> >>> Best regards >>> Ozodbek Ulmasov >>> _______________________________________________ >>> Mapnik-users mailing list >>> [email protected] >>> https://lists.berlios.de/mailman/listinfo/mapnik-users >>> >> > > > -- > ------------------------------------------------------ > Ozodbek Ulmasov > Manager > > Newmax Technologies LLC > Uzbekistan, Tashkent > Parkentskaya str. 89b, 700007 > Tel: (+99897) 3447775 > (+99871) 1401515 > Fax: (+99871) 1401515 > E-mail: [email protected] > _______________________________________________ > 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

