thx but i have that with the update 2
http://kyticka.webzdarma.cz/3d/moi/cc/importpointfile/ImportPointFile_Update2.zip



here my file x,y,z
http://moiscript.weebly.com/uploads/3/9/3/8/3938813/smart1.zip
(not very much z >0 but existing! :)

This file format xyz works when I reload it with my prog : http://ignmap.ign.fr (sorry in French ;)

Must be something like this (maybe many less deformed in z :)