I would like to display for demonstration purpose a set of cv::Mat that are actually the slices of a 3D shape. Each slice is a labbelled blob image of the same size. PointCloud library sounds nice, however, can we use it from OpenCV ? i also saw this discussion here http://opencv.willowgarage.com/wiki/OpenCVandPCL but no other information. Also an example from martin Peris seems interesing http://blog.martinperis.com/2012/01/3d-reconstruction-with-opencv-and-point.html but is a hand made data transfert from one lib to the other. Then, is there an "official" compatibility porting tool to display such 3D volumes in a simple way for free visualisation & object observation ?