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I'd like to convert raster image from (geo)tiff to an png/jpg and afterwards if it is necessary ... I'd like to convert the coordinates with help of EPSG-Codes to the OSM/Google Projection(EPSG: 3857/ 900913). All this i'm doing with java programming. Anyone a good hint... like an java libary??

Thanks a lot.

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GeoTools should be able to do all of that - either natively or through the GDAL bindings.

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thanks, i'll have a look at it. – southente Dec 14 '11 at 17:11

Could cs-map help? You would need to check it can do raster though. Here's a user guide (PDF)

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