Hi, thank you all for your feedback. I will try the solutions mentioned here and it would make me happy to share the results than. Lars Am 05.07.2011 23:59, schrieb Arnd Wippermann: > Hi, > > Perhaps that could give an idea: > > http://osgeo-org.1803224.n2.nabble.com/center-crosshairs-td1827008.html >