opencv and 3D

Looking at options for incorporating 3D data into opencv, and whether some other tool is better for that job - 

http://answers.opencv.org/question/2115/3d-models-from-2d-image-slices/

http://answers.opencv.org/question/3098/display-in-3d-at-set-of-binary-labelled-cvmat-images-somekind-of-slices-of-a-3d-object/

http://pointclouds.org/documentation/tutorials/pcl_visualizer.php