Hej, Thanks for the idea. I will try and see if I can make progress. + I appologise for the shortcut explanations. I'll dedicate myself to greater accuracy in future. tkd -- View this message in context: http://r.789695.n4.nabble.com/spatstat-owin-image-tp3837023p3843284.html Sent from the R help mailing list archive at Nabble.com.