Mon, 20 Jun 2011 18:40:21 GMT The question in English must use this forum. The object is a language all NyARToolKit. http://en.sourceforge.jp/projects/nyartoolkit/forums/ ja-jp Mon, 20 Jun 2011 18:40:21 GMT Oskar (oski) http://en.sourceforge.jp/forum/message.php?msg_id=58153 http://en.sourceforge.jp/forum/message.php?msg_id=58153 Hello, i'm writting an application which is being recognized multiple markers. I would like to draw simple verticles on marker's corners + put confidence lvl on them. But i don't know how to do this. Can You perform some simple example how to draw something on view laying on camera preview (without openGL)? The second question is: if is possible to make marker detection without decoding YUV420SP to RGB? My application runs on 2.1-update Androids version, and when i'm trying to find more markers on the screen performence is very low, I would like to improve it somehow. Thanks in advance for any tips.