Hi Michael thanks a lot for your nice answer. You probably need mor informations. I have to develop a web application for traffic control of some regions of italy, actually this is the way how i grap geo data. I first connect to http://www.openstreetmap.org I select the area of interest and I export like osm/xml format, after I have downloaded this file I open with global mapper 11 the only sw I have found who convert osm to shp, there is an utility who loads osm straight to postgis database but I was not able to make it work. GM produce 3 different files (areas, lines,points), is this the correct way to grab maps ? consider I need details about all kind of streets. After that, I use utility of postgis to convert shp in sql script and i load data to db. If I use the same code I showed you using shp like FeatureSource it display the image correctly. Another thing tha really make me upset is that geoserver display the image correctly, I have tried to copy and paste my code in the class of geoserver "org.vfny.geoserver.wms.responses.DefaultRasterMapProducer", so evry time a web application ask a map to geoserver it saves on filesystem correttly because geoserver is able to correct the defect. Probably the right thing is to undestand how geoserver handle the map but the problem is geoserver is huge, I undestood the entry point and the delivery but not in the middle, I also noticed geoserver use 2.7 geotools library and it does not use the gt-postgis-2.6.0.jar it looks there is no version available. thanks Davide -- View this message in context: http://n2.nabble.com/image-problem-tp4512874p4519113.html Sent from the geotools-gt2-users mailing list archive at Nabble.com.
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